PoolCastPoolCastPoolCast forecasts your swimming pool's temperature for the week ahead — and shows exactly what it costs to heat. All from weather and physics. No thermometer, no smart device.
Probes, connected heat pumps, water sensors — most pool apps make you buy something first. PoolCast reads the weather and models your pool, so it works the moment you install it.
See your pool's water temperature today and every day this week, for your exact location.
An honest daily running cost for electric, heat-pump or gas heaters — so you never waste money.
See how much a pool cover would save you each week by cutting evaporation.
Models sun, air, wind, humidity, evaporation and rain — the real energy balance of your pool.
Tune size, depth, shade, cover and heater. Units auto-match your region — change them any time.
A clean, fast, dark-mode design that adapts beautifully from phone to large tablet.
Search any location — no GPS or account required.
Size, depth, cover, heater. PoolCast remembers it.
A temperature curve for the next 7 days — and what heating costs.