Chester, CA Weather & Growing Conditions
Tonight
28°F
Widespread Frost
Widespread frost and patchy fog. Partly cloudy, with a low around 28. West wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 28°F | Widespread Frost | 1 mph W | 0% |
| Wednesday | 56°F | Widespread Frost then Mostly Sunny | 2 mph S | 1% |
| Wednesday Night | 29°F | Widespread Frost | 1 to 5 mph NW | 1% |
| Thursday | 60°F | Widespread Frost then Sunny | 3 mph NE | 0% |
| Thursday Night | 30°F | Mostly Clear | 1 to 6 mph NNE | 0% |
| Friday | 65°F | Sunny | 2 mph NNE | 0% |
| Friday Night | 33°F | Mostly Clear | 0 to 8 mph NNE | 0% |
| Saturday | 66°F | Sunny | 3 mph ESE | 0% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph W | 0% |
| Sunday | 64°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Sunday Night | 34°F | Partly Cloudy | 2 mph NNW | 0% |
| Monday | 61°F | Mostly Sunny | 0 to 3 mph SW | 2% |
| Monday Night | 32°F | Partly Cloudy | 2 mph W | 2% |
| Tuesday | 62°F | Sunny then Slight Chance Light Rain | 0 to 3 mph SSW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chester, CA
Last spring frost
May 28
First fall frost
Sep 28
Growing season
124 days
Hardiness zone
7a
Explore more for Chester, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Chester, Ca (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.