Plymouth, CA Weather & Growing Conditions
Today
87°F
Sunny
Sunny, with a high near 87. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 mph SW | 0% |
| Tonight | 59°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Sunday | 84°F | Partly Sunny | 5 mph SW | 0% |
| Sunday Night | 57°F | Mostly Cloudy | 1 to 5 mph S | 0% |
| Monday | 85°F | Mostly Sunny | 2 to 6 mph S | 0% |
| Monday Night | 57°F | Mostly Clear | 5 mph SE | 0% |
| Tuesday | 86°F | Sunny | 5 mph S | 0% |
| Tuesday Night | 60°F | Clear | 1 to 5 mph SE | 0% |
| Wednesday | 91°F | Sunny | 2 to 6 mph N | 0% |
| Wednesday Night | 63°F | Mostly Clear | 1 to 5 mph NE | 0% |
| Thursday | 94°F | Sunny | 6 mph W | 0% |
| Thursday Night | 64°F | Mostly Clear | 2 to 6 mph ENE | 0% |
| Friday | 90°F | Sunny | 6 mph SSW | 0% |
| Friday Night | 60°F | Partly Cloudy | 2 to 6 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plymouth, CA
Last spring frost
Mar 4
First fall frost
Dec 11
Growing season
285 days
Hardiness zone
9b
Explore more for Plymouth, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Sutter Hill Cdf, Ca (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.