Harman US

Calimesa, CA Weather & Growing Conditions

Overnight
56°F
Mostly Clear
Mostly clear, with a low around 56. Northeast wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 56°F Mostly Clear 0 mph 1%
Saturday 87°F Sunny 0 to 10 mph NW 0%
Saturday Night 59°F Mostly Clear then Patchy Fog 0 to 10 mph N 0%
Sunday 85°F Patchy Fog then Mostly Sunny 0 to 10 mph NW 0%
Sunday Night 59°F Patchy Fog 0 to 5 mph NW 2%
Monday 80°F Patchy Fog then Mostly Sunny 0 to 5 mph W 2%
Monday Night 56°F Patchy Fog 0 to 5 mph W 0%
Tuesday 83°F Patchy Fog then Sunny 0 to 5 mph W 0%
Tuesday Night 61°F Clear 0 to 5 mph N 0%
Wednesday 91°F Sunny 0 to 5 mph SW 2%
Wednesday Night 64°F Clear 0 to 5 mph N 1%
Thursday 92°F Sunny 5 to 10 mph S 5%
Thursday Night 64°F Mostly Clear 0 to 10 mph NW 5%
Friday 90°F Sunny 0 to 5 mph S 5%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Calimesa, CA

Last spring frost
Jan 27
First fall frost
Dec 19
Growing season
329 days
Hardiness zone
9b

Explore more for Calimesa, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Redlands, Ca (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.