Grimes, CA Weather & Growing Conditions
Today
100°F
Sunny
Sunny, with a high near 100. South southeast wind 1 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 1 to 7 mph SSE | 0% |
| Tonight | 62°F | Mostly Clear | 2 to 7 mph SSE | 0% |
| Wednesday | 98°F | Sunny | 1 to 7 mph SSE | 0% |
| Wednesday Night | 61°F | Clear | 2 to 7 mph SSE | 0% |
| Thursday | 98°F | Sunny | 1 to 6 mph SSE | 0% |
| Thursday Night | 62°F | Clear | 2 to 6 mph SSE | 0% |
| Friday | 99°F | Sunny | 1 to 5 mph SE | 0% |
| Friday Night | 64°F | Clear | 1 to 6 mph SSE | 0% |
| Saturday | 99°F | Sunny | 1 to 6 mph ESE | 0% |
| Saturday Night | 64°F | Clear | 1 to 6 mph SE | 0% |
| Sunday | 97°F | Sunny | 1 to 8 mph ESE | 0% |
| Sunday Night | 61°F | Mostly Clear | 3 to 8 mph SE | 0% |
| Monday | 93°F | Sunny | 2 to 9 mph SE | 0% |
| Monday Night | 58°F | Mostly Clear | 2 to 9 mph SE | 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 Aug 4, 2026.