Harman US

Whitmore, CA Weather & Growing Conditions

Today
102°F
Sunny
Sunny. High near 102, with temperatures falling to around 100 in the afternoon. West southwest wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 102°F Sunny 3 mph WSW 0%
Tonight 68°F Mostly Clear 2 mph ESE 0%
Wednesday 99°F Sunny 3 mph WSW 0%
Wednesday Night 68°F Clear 3 mph SSE 0%
Thursday 99°F Sunny 3 mph SW 0%
Thursday Night 68°F Clear 3 mph SE 0%
Friday 100°F Sunny 3 mph SW 0%
Friday Night 69°F Clear 3 mph SE 0%
Saturday 100°F Sunny 1 to 5 mph WSW 0%
Saturday Night 68°F Clear 3 mph ESE 0%
Sunday 98°F Sunny 5 mph SW 0%
Sunday Night 66°F Mostly Clear 1 to 5 mph SE 0%
Monday 94°F Sunny 1 to 6 mph SSW 0%
Monday Night 63°F Clear 0 to 5 mph ESE 0%

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

Growing snapshot for Whitmore, CA

Last spring frost
Jun 9
First fall frost
Sep 21
Growing season
102 days
Hardiness zone
9a

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

Climate data from the nearest NOAA station, Manzanita Lake, Ca (17 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.