Benicia, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Benicia, a city in Contra Costa County, California.
Overnight
60°F
Clear
Clear, with a low around 60. West wind around 10 mph.
7-day forecast for Benicia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Clear | 10 mph W | 0% |
| Tuesday | 86°F | Sunny | 13 mph WSW | 0% |
| Tuesday Night | 60°F | Patchy Smoke | 13 mph WSW | 0% |
| Wednesday | 84°F | Sunny | 13 mph WSW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 13 mph WSW | 0% |
| Thursday | 86°F | Sunny | 9 to 13 mph WSW | 0% |
| Thursday Night | 60°F | Mostly Clear | 9 to 13 mph WSW | 0% |
| Friday | 88°F | Sunny | 8 to 12 mph WSW | 0% |
| Friday Night | 61°F | Mostly Clear | 12 mph WSW | 0% |
| Saturday | 89°F | Sunny | 8 to 12 mph SW | 0% |
| Saturday Night | 62°F | Mostly Clear | 12 mph SW | 0% |
| Sunday | 85°F | Sunny | 10 to 14 mph SW | 0% |
| Sunday Night | 59°F | Mostly Clear | 15 mph SW | 0% |
| Monday | 79°F | Sunny | 15 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Benicia (38.073, -122.155). Updated through the day.
Growing snapshot for Benicia
Last spring frost
Jan 17
First fall frost
Dec 27
Growing season
346 days
Hardiness zone
9b
More local growing data for Benicia: nearby ZIP 94569 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
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Contra Costa Centre
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Discovery Bay
East Richmond Heights
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Mountain View
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Climate data from the nearest NOAA station, Vallejo, Ca (3.9 mi from Benicia). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.