Thermal, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thermal, a community in Riverside County, California.
Overnight
86°F
Mostly Clear
Mostly clear, with a low around 86. West wind around 5 mph.
7-day forecast for Thermal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 86°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 111°F | Sunny | 0 to 15 mph SW | 1% |
| Tuesday Night | 85°F | Mostly Clear | 0 to 15 mph SE | 1% |
| Wednesday | 109°F | Sunny | 0 to 15 mph SE | 2% |
| Wednesday Night | 86°F | Mostly Clear | 0 to 5 mph E | 1% |
| Thursday | 111°F | Sunny | 0 to 10 mph NE | 3% |
| Thursday Night | 88°F | Mostly Clear | 0 to 5 mph W | 3% |
| Friday | 112°F | Sunny | 0 to 10 mph NE | 3% |
| Friday Night | 88°F | Mostly Clear | 5 mph W | 0% |
| Saturday | 114°F | Sunny | 5 to 15 mph S | 2% |
| Saturday Night | 88°F | Mostly Clear | 0 to 15 mph S | 2% |
| Sunday | 112°F | Sunny | 0 to 15 mph SE | 4% |
| Sunday Night | 85°F | Mostly Clear | 5 to 15 mph SE | 3% |
| Monday | 109°F | Sunny | 5 to 10 mph SE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Thermal (33.626, -116.131). Updated through the day.
Growing snapshot for Thermal
Last spring frost
Feb 7
First fall frost
Dec 2
Growing season
298 days
Hardiness zone
10a
More local growing data for Thermal: nearby ZIP 92236 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Aguanga
Anza
Banning
Beaumont
Bermuda Dunes
Blythe
Cabazon
Calimesa
Canyon Lake
Cathedral City
Cherry Valley
Coachella
Corona
Coronita
Desert Center
Desert Edge
Desert Hot Springs
Desert Palms
Desert Shores
East Hemet
Eastvale
El Cerrito
El Sobrante
French Valley
Garnet
Good Hope
Green Acres
Hemet
Highgrove
Home Gardens
Climate data from the nearest NOAA station, Desert Resorts Rgnl Ap, Ca (7.3 mi from Thermal). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.