Ashland, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ashland, a community in Alameda County, California.
Tonight
58°F
Mostly Cloudy
Mostly cloudy. Low around 58, with temperatures rising to around 60 overnight. West southwest wind around 6 mph.
7-day forecast for Ashland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Mostly Cloudy | 6 mph WSW | 0% |
| Saturday | 78°F | Mostly Sunny | 2 to 9 mph WSW | 0% |
| Saturday Night | 59°F | Mostly Cloudy | 7 mph WSW | 0% |
| Sunday | 71°F | Mostly Cloudy | 5 to 8 mph WSW | 4% |
| Sunday Night | 58°F | Mostly Cloudy | 5 to 8 mph WSW | 4% |
| Monday | 74°F | Mostly Sunny | 5 to 9 mph WSW | 0% |
| Monday Night | 58°F | Partly Cloudy | 2 to 9 mph WSW | 0% |
| Tuesday | 78°F | Mostly Sunny | 2 to 8 mph WSW | 0% |
| Tuesday Night | 59°F | Partly Cloudy | 1 to 8 mph SW | 0% |
| Wednesday | 87°F | Sunny | 1 to 8 mph WSW | 0% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 8 mph WSW | 0% |
| Thursday | 88°F | Sunny | 0 to 8 mph W | 0% |
| Thursday Night | 62°F | Partly Cloudy | 2 to 8 mph WSW | 0% |
| Friday | 81°F | Mostly Sunny | 2 to 9 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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Cherryland
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 Sep 19, 2026.