Fatigue, low energy and the weather
Heat, pressure swings and cold leave many people feeling flat. Feelcaster flags those days so you can plan your energy.
Get early accessWhat Feelcaster watches for fatigue and low energy
Strongest first. You choose which triggers apply to you in the app.
Heat
Hot afternoons, high feels-like temperatures and warm nights. Starts to count at: A feels-like temperature from 80°F, strongest near 103°F.
Pressure swings
Air pressure rising or falling fast, usually around a passing front or storm. Starts to count at: A swing of about 6 hPa within 3 hours, or a clear shift from the day before.
Cold
Cold air, wind chill and fast drops in temperature. Starts to count at: A feels-like temperature below 50°F, or a drop of 8°F or more within 4 hours.
Damp, humid air
Heavy, humid air, worse when it is windy. Starts to count at: Humidity above 70%.
One thing to do on those days
On hot days, drink water early, keep the middle of the day light and save harder tasks for the cooler hours.
Fatigue and low energy: questions people ask
Does this cover long COVID or ME/CFS?
You can watch for long COVID, ME/CFS, POTS and heat intolerance by name in the app. Feelcaster weighs heat most for these.
Does my sleep count?
With Feelcaster Plus and Apple Health or Fitbit connected, a short night or low recovery counts toward a harder day.
Other conditions
Know before the weather does.
Feelcaster is coming to iPhone and Android. Join early access and we’ll send your invite.