Harman US

Sunol, CA Weather & Growing Conditions

Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. East northeast wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 48°F Partly Cloudy 6 mph ENE 0%
Wednesday 64°F Sunny 5 to 10 mph N 1%
Wednesday Night 49°F Mostly Cloudy 1 to 6 mph SSW 1%
Thursday 68°F Mostly Sunny 1 to 8 mph NNE 0%
Thursday Night 49°F Clear 1 to 5 mph ENE 0%
Friday 70°F Sunny 1 to 7 mph NE 0%
Friday Night 51°F Mostly Clear 0 to 6 mph ENE 0%
Saturday 74°F Sunny 1 to 5 mph N 0%
Saturday Night 52°F Mostly Clear 0 to 5 mph S 0%
Sunday 72°F Sunny 0 to 6 mph N 0%
Sunday Night 53°F Partly Cloudy 1 to 6 mph SSW 0%
Monday 70°F Mostly Sunny 1 to 6 mph SSW 1%
Monday Night 52°F Partly Cloudy 1 to 6 mph SSW 1%
Tuesday 70°F Sunny 1 to 6 mph NW 5%

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

Growing snapshot for Sunol, CA

Last spring frost
Feb 15
First fall frost
Dec 2
Growing season
292 days
Hardiness zone
9b

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

Climate data from the nearest NOAA station, Livermore, Ca (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.