Harman US

Sunol, CA Weather & Growing Conditions

Overnight
61°F
Clear
Clear, with a low around 61. West southwest wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 61°F Clear 3 mph WSW 0%
Tuesday 93°F Sunny 3 to 10 mph WSW 0%
Tuesday Night 60°F Clear 3 to 9 mph WSW 0%
Wednesday 91°F Sunny 3 to 9 mph WSW 0%
Wednesday Night 60°F Clear 2 to 9 mph WSW 0%
Thursday 88°F Sunny 2 to 10 mph WSW 0%
Thursday Night 62°F Mostly Clear 3 to 10 mph WSW 0%
Friday 92°F Sunny 3 to 9 mph W 0%
Friday Night 64°F Mostly Clear 5 to 9 mph WSW 0%
Saturday 92°F Sunny 5 to 10 mph WSW 0%
Saturday Night 65°F Mostly Clear 6 to 10 mph WSW 0%
Sunday 87°F Sunny 6 to 12 mph WSW 0%
Sunday Night 60°F Mostly Clear 8 to 12 mph WSW 0%
Monday 82°F Sunny 8 to 12 mph WSW 0%

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 Aug 4, 2026.