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 | 85°F | Partly Sunny | 1 to 5 mph SE | 0% |
| Sunday Night | 57°F | Mostly Cloudy | 1 to 5 mph SSE | 0% |
| Monday | 88°F | Sunny | 1 to 7 mph SSE | 0% |
| Monday Night | 56°F | Mostly Clear | 1 to 7 mph SE | 0% |
| Tuesday | 87°F | Sunny | 1 to 5 mph SE | 0% |
| Tuesday Night | 57°F | Clear | 0 to 5 mph SE | 0% |
| Wednesday | 89°F | Sunny | 2 mph NNW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 2 mph SE | 0% |
| Thursday | 92°F | Sunny | 0 to 5 mph NNW | 0% |
| Thursday Night | 59°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Friday | 89°F | Sunny | 1 to 6 mph SSE | 0% |
| Friday Night | 58°F | Mostly Clear | 2 to 6 mph SSE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grimes, CA
Last spring frost
Feb 11
First fall frost
Nov 30
Growing season
289 days
Hardiness zone
9b
Explore more for Grimes, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Marysville Yuba Co Ap, Ca (14.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.