Sunol, CA Weather & Growing Conditions
Today
80°F
Sunny
Sunny. High near 80, with temperatures falling to around 77 in the afternoon. West wind 6 to 10 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 6 to 10 mph W | 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 10 mph WSW | 0% |
| Tuesday Night | 57°F | Mostly Clear | 1 to 10 mph SW | 0% |
| Wednesday | 87°F | Sunny | 0 to 8 mph W | 0% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 8 mph SW | 0% |
| Thursday | 89°F | Sunny | 0 to 10 mph W | 0% |
| Thursday Night | 62°F | Mostly Clear | 3 to 10 mph WSW | 0% |
| Friday | 82°F | Mostly Sunny | 3 to 12 mph WSW | 0% |
| Friday Night | 58°F | Mostly Clear | 5 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 Sep 19, 2026.