Grimes, CA Weather & Growing Conditions
This Afternoon
91°F
Sunny
Sunny, with a high near 91. West wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Sunny | 3 mph W | 0% |
| Tonight | 57°F | Partly Cloudy | 1 to 5 mph SE | 0% |
| Sunday | 86°F | Partly Sunny | 1 to 5 mph E | 0% |
| Sunday Night | 57°F | Mostly Cloudy | 1 to 5 mph SE | 0% |
| Monday | 88°F | Sunny | 1 to 7 mph SE | 0% |
| Monday Night | 55°F | Mostly Clear | 1 to 7 mph SE | 0% |
| Tuesday | 87°F | Sunny | 1 to 6 mph SE | 0% |
| Tuesday Night | 57°F | Clear | 0 to 6 mph SE | 0% |
| Wednesday | 89°F | Sunny | 2 mph N | 0% |
| Wednesday Night | 60°F | Mostly Clear | 2 mph E | 0% |
| Thursday | 92°F | Sunny | 1 to 5 mph NW | 0% |
| Thursday Night | 60°F | Mostly Clear | 1 to 5 mph S | 0% |
| Friday | 89°F | Sunny | 1 to 6 mph SSE | 1% |
| Friday Night | 58°F | Mostly Clear | 2 to 6 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grimes, CA
Last spring frost
Feb 14
First fall frost
Dec 1
Growing season
293 days
Hardiness zone
9b
Explore more for Grimes, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Colusa 2 Ssw, Ca (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.