Ashland, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ashland, a community in Alameda County, California.
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 82 in the afternoon. West wind 2 to 9 mph.
7-day forecast for Ashland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 2 to 9 mph W | 0% |
| Tonight | 59°F | Mostly Clear | 2 to 8 mph NW | 0% |
| Wednesday | 84°F | Mostly Sunny | 2 to 9 mph WNW | 0% |
| Wednesday Night | 60°F | Partly Cloudy | 2 to 9 mph W | 0% |
| Thursday | 82°F | Mostly Sunny | 2 to 9 mph W | 0% |
| Thursday Night | 61°F | Partly Cloudy | 2 to 9 mph W | 0% |
| Friday | 85°F | Mostly Sunny | 2 to 9 mph W | 0% |
| Friday Night | 62°F | Partly Cloudy | 2 to 9 mph WSW | 0% |
| Saturday | 86°F | Mostly Sunny | 2 to 9 mph WSW | 0% |
| Saturday Night | 63°F | Partly Cloudy | 3 to 9 mph WSW | 0% |
| Sunday | 80°F | Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 60°F | Partly Cloudy | 7 to 10 mph WSW | 0% |
| Monday | 77°F | Mostly Sunny | 7 to 12 mph WSW | 0% |
| Monday Night | 59°F | Partly Cloudy | 6 to 12 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Ashland (37.694, -122.116). Updated through the day.
Growing snapshot for Ashland
Last spring frost
Jan 2
First fall frost
Dec 25
Growing season
365 days
Hardiness zone
10a
More local growing data for Ashland: nearby ZIP 94578 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Alameda
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Dublin
Emeryville
Fairview
Fremont
Hayward
Kensington
Livermore
Mountain House
Newark
Oakland
Piedmont
Pleasanton
San Leandro
San Lorenzo
Sunol
Union City
Climate data from the nearest NOAA station, Hayward Air Terminal, Ca (3.7 mi from Ashland). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.