Sunol, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sunol, a community in Alameda County, California.
Today
94°F
Sunny
Sunny. High near 94, with temperatures falling to around 92 in the afternoon. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Sunol
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 5 to 10 mph WSW | 0% |
| Tonight | 59°F | Clear | 5 to 9 mph WSW | 0% |
| Wednesday | 92°F | Sunny | 5 to 10 mph WSW | 0% |
| Wednesday Night | 60°F | Mostly Clear | 3 to 10 mph WSW | 0% |
| Thursday | 90°F | Sunny | 3 to 10 mph WSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Friday | 93°F | Sunny | 5 to 10 mph W | 0% |
| Friday Night | 64°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Saturday | 94°F | Sunny | 5 to 12 mph WSW | 0% |
| Saturday Night | 64°F | Mostly Clear | 7 to 12 mph WSW | 0% |
| Sunday | 89°F | Sunny | 7 to 12 mph WSW | 0% |
| Sunday Night | 60°F | Mostly Clear | 8 to 12 mph WSW | 0% |
| Monday | 84°F | Sunny | 8 to 13 mph WSW | 0% |
| Monday Night | 57°F | Mostly Clear | 7 to 13 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Sunol (37.586, -121.880). Updated through the day.
Growing snapshot for Sunol
Last spring frost
Feb 15
First fall frost
Dec 2
Growing season
292 days
Hardiness zone
9b
More local growing data for Sunol: nearby ZIP 94586 weather · frost dates · planting calendar · California frost dates
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Livermore
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Climate data from the nearest NOAA station, Livermore, Ca (8.9 mi from Sunol). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.