Harman US

Sunol, CA Weather & Growing Conditions

This Afternoon
80°F
Sunny
Sunny. High near 80, with temperatures falling to around 77 in the afternoon. West southwest wind around 10 mph, with gusts as high as 18 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 80°F Sunny 10 mph WSW 0%
Tonight 56°F Partly Cloudy 5 to 8 mph SW 0%
Sunday 72°F Mostly Cloudy 5 to 9 mph SW 0%
Sunday Night 55°F Mostly Cloudy 8 mph WSW 0%
Monday 75°F Mostly Sunny 7 to 10 mph WSW 0%
Monday Night 54°F Mostly Clear 5 to 10 mph WSW 0%
Tuesday 77°F Sunny 5 to 9 mph WSW 0%
Tuesday Night 56°F Mostly Clear 2 to 9 mph SW 0%
Wednesday 87°F Sunny 1 to 8 mph W 0%
Wednesday Night 62°F Mostly Clear 1 to 8 mph SW 0%
Thursday 89°F Sunny 1 to 10 mph WSW 0%
Thursday Night 62°F Mostly Clear 5 to 10 mph WSW 0%
Friday 82°F Sunny 5 to 10 mph WSW 0%
Friday Night 58°F Mostly Clear 5 to 10 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 Sep 20, 2026.