Benicia, CA Weather & Growing Conditions
Tonight
57°F
Mostly Clear
Mostly clear, with a low around 57. West southwest wind around 14 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Clear | 14 mph WSW | 0% |
| Saturday | 81°F | Sunny | 8 to 13 mph WSW | 0% |
| Saturday Night | 57°F | Partly Cloudy | 15 mph WSW | 0% |
| Sunday | 73°F | Partly Sunny | 14 mph SW | 0% |
| Sunday Night | 56°F | Mostly Cloudy | 13 to 16 mph SW | 0% |
| Monday | 74°F | Mostly Sunny | 15 mph SW | 0% |
| Monday Night | 57°F | Mostly Clear | 12 to 15 mph SW | 0% |
| Tuesday | 80°F | Sunny | 8 to 12 mph WSW | 0% |
| Tuesday Night | 58°F | Mostly Clear | 5 to 12 mph WSW | 0% |
| Wednesday | 91°F | Sunny | 3 to 7 mph W | 0% |
| Wednesday Night | 61°F | Mostly Clear | 7 mph WSW | 0% |
| Thursday | 91°F | Sunny | 5 to 10 mph WSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 10 mph WSW | 0% |
| Friday | 84°F | Sunny | 13 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Benicia, CA
Last spring frost
Jan 17
First fall frost
Dec 27
Growing season
346 days
Hardiness zone
9b
Explore more for Benicia, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Vallejo, Ca (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.