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Don't worry about a cold house when the temperature drops by making your LightwaveRF TRVs fully open automatically.
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Create your own Weather Underground and LightwaveRF Heating workflow
Create custom workflows effortlessly by selecting triggers, queries, and actions. With IFTTT, it's simple: “If this” trigger happens, “then that” action follows. Streamline tasks and save time with automated workflows that work for you.
42 triggers, queries, and actions
Current condition changes to
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors changes in the current weather condition. When one of those conditions is met the Trigger fires. Currently only these simple conditions are supported: Rain, Snow, Cloudy, Clear.
Current humidity level rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors your local humidity and fires every time the humidity rises above the value you specify.
Current pollen count rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors your local pollen levels and fires every time the pollen count rises above the value you specify (1-12). NOTE: Available only in the USA.
Current temperature drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors your local temperature and fires whenever the temperature drops below the value you provide.
Current temperature rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors your local temperature and fires whenever the temperature rises above the value you provide.
Current UV index rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors your local UV levels and fires every time the UV index rises above the value you specify (0-16).
Heat turned off
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires when a thermostat device deactivates
Heat turned on
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires when a thermostat device activates
Sunrise
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires within 15 minutes of the sunrise in your location.
Sunset
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires within 15 minutes of the sunset in your location.
Temperature above target
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires when the temperature rises above the set target.
Temperature below target
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires when the temperature falls below the set target.
Current weather
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
Get the current weather
History of humidity level rose above threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query monitors your local humidity and returns a list of times when the humidity rose above the value you specified. Note: this query will only return future events after this Applet is created.
History of pollen count rose above threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query monitors your local pollen levels and returns a list of times when the pollen count rose above the value you specified (1-12). NOTE: Available only in the USA. Note: this query will only return future events after this Applet is created.
History of specified forecast conditions
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of times when the forecasted weather changed to meet a specific condition (Rain, Snow, Cloudy, or Clear).
History of specified weather conditions
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of times when the observed weather changed to meet a specific condition (Rain, Snow, Cloudy, or Clear).
History of Sunrises
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a history of sunrises in your location. Note: this query will only return future events after this Applet is created.
History of Sunsets
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a history of sunsets at your location.
History of temperatre rose above threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query monitors your local temperature and returns a list of times when the temperature rose above the value you provided. Note: this query will only return future events after this Applet is created.
History of temperature dropped below threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query monitors your local temperature and returns a list of times when the temperature dropped below the value you provide. Note: this query will only return future events after this Applet is created.
History of Tomorrow's Forecast drops below alerts
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of alerts when tomorrows forecasted low temperature dropped below a value you provided. Note: this query will only return future events after this Applet is created.
History of Tomorrow's Forecast was above threshold alerts
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of times when tomorrows forecasted high temperature rose above a value you provided. Note: this query will only return future events after this Applet is created.
History of UV index rose above threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query monitors your local UV levels and returns a list of times when the UV index rose above the value you specified (0-16). Note: this query will only return future events after this Applet is created.
Electric Switch Off
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will switch the Electric Switch Off.
Electric Switch On
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will switch the Electric Switch On.
Set temperature
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will set the temperature of a thermostat or thermostatic radiator valve (TRV).
Set TRV Position 0
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will set the position of a Thermostatic Radiator Valve (TRV).
Set TRV Position 1
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will set the position of a Thermostatic Radiator Valve (TRV).
Set TRV Position 2
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will set the position of a Thermostatic Radiator Valve (TRV).
Set TRV Position 3
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will set the position of a Thermostatic Radiator Valve (TRV).
Set TRV Position 4
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will set the position of a Thermostatic Radiator Valve (TRV).
Set TRV Position 5
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will set the position of a Thermostatic Radiator Valve (TRV).
Set TRV to a Position
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will set the position of a Thermostatic Radiator Valve (TRV).
Current condition changes to
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors changes in the current weather condition. When one of those conditions is met the Trigger fires. Currently only these simple conditions are supported: Rain, Snow, Cloudy, Clear.
Current humidity level rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors your local humidity and fires every time the humidity rises above the value you specify.
Current pollen count rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors your local pollen levels and fires every time the pollen count rises above the value you specify (1-12). NOTE: Available only in the USA.
Current temperature drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors your local temperature and fires whenever the temperature drops below the value you provide.
Current temperature rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors your local temperature and fires whenever the temperature rises above the value you provide.
Current UV index rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger monitors your local UV levels and fires every time the UV index rises above the value you specify (0-16).
Current weather
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
Get the current weather
Electric Switch Off
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will switch the Electric Switch Off.
Electric Switch On
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will switch the Electric Switch On.
Heat turned off
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires when a thermostat device deactivates
Heat turned on
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires when a thermostat device activates
History of humidity level rose above threshold
Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query monitors your local humidity and returns a list of times when the humidity rose above the value you specified. Note: this query will only return future events after this Applet is created.
More on Weather Underground and LightwaveRF Heating
About Weather Underground
Connect the services and devices you love to hyperlocal weather data, powered by the world's largest Personal Weather Station Network.
Connect the services and devices you love to hyperlocal weather data, powered by the world's largest Personal Weather Station Network.
About LightwaveRF Heating
LightwaveRF Heating gives you extraordinary control of your LightwaveRF heating products.
LightwaveRF Heating gives you extraordinary control of your LightwaveRF heating products.