Sunol, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sunol, a community in Alameda County, California.
Today
62°F
Light Rain
Rain. Mostly cloudy. High near 62, with temperatures falling to around 59 in the afternoon. South wind 3 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sunol
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Light Rain | 3 to 15 mph S | 79% |
| Tonight | 48°F | Chance Light Rain then Partly Cloudy | 5 to 8 mph ESE | 27% |
| Wednesday | 66°F | Sunny | 6 to 9 mph N | 1% |
| Wednesday Night | 49°F | Partly Cloudy then Patchy Fog | 2 to 7 mph SW | 0% |
| Thursday | 70°F | Patchy Fog then Sunny | 2 to 7 mph NNE | 0% |
| Thursday Night | 49°F | Mostly Clear | 2 to 6 mph SSW | 0% |
| Friday | 72°F | Sunny | 2 to 6 mph NNE | 0% |
| Friday Night | 51°F | Clear | 0 to 6 mph ENE | 0% |
| Saturday | 76°F | Sunny | 2 to 6 mph NE | 0% |
| Saturday Night | 52°F | Mostly Clear | 1 to 6 mph S | 0% |
| Sunday | 74°F | Mostly Sunny | 1 to 6 mph N | 0% |
| Sunday Night | 52°F | Partly Cloudy | 1 to 6 mph SSW | 0% |
| Monday | 71°F | Partly Sunny | 1 to 7 mph SW | 2% |
| Monday Night | 52°F | Partly Cloudy | 2 to 7 mph SW | 3% |
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
Nearby towns & communities
Alameda
Albany
Ashland
Berkeley
Camino Tassajara
Castro Valley
Cherryland
Dublin
Emeryville
Fairview
Fremont
Hayward
Kensington
Livermore
Mountain House
Newark
Oakland
Piedmont
Pleasanton
San Leandro
San Lorenzo
Union City
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 Nov 3, 2026.