Harman US

Whitmore, CA Weather & Growing Conditions

Today
88°F
Sunny
Sunny, with a high near 88. North northwest wind 1 to 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 88°F Sunny 1 to 7 mph NNW 0%
Tonight 59°F Partly Cloudy 0 to 5 mph E 0%
Sunday 88°F Mostly Sunny 3 mph W 0%
Sunday Night 59°F Partly Cloudy 2 mph SE 0%
Monday 90°F Sunny 0 to 5 mph NW 0%
Monday Night 58°F Mostly Clear 2 mph SE 0%
Tuesday 89°F Sunny 2 mph WSW 0%
Tuesday Night 59°F Mostly Clear 2 mph ENE 0%
Wednesday 88°F Sunny 2 mph WSW 0%
Wednesday Night 60°F Mostly Clear 2 mph ESE 0%
Thursday 89°F Sunny 3 mph S 1%
Thursday Night 60°F Mostly Clear 3 mph SE 1%
Friday 84°F Mostly Sunny 3 mph SSW 1%
Friday Night 57°F Partly Cloudy 3 mph ESE 4%

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 Sep 19, 2026.