Grenada, CA Weather & Growing Conditions
Today
54°F
Partly Sunny
Partly sunny. High near 54, with temperatures falling to around 51 in the afternoon. Northeast wind 0 to 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Partly Sunny | 0 to 3 mph NE | 3% |
| Tonight | 38°F | Partly Cloudy | 0 to 8 mph NW | 2% |
| Thursday | 55°F | Sunny | 2 to 8 mph NNE | 0% |
| Thursday Night | 37°F | Mostly Clear | 3 mph SSW | 0% |
| Friday | 61°F | Mostly Sunny | 2 mph ESE | 0% |
| Friday Night | 41°F | Mostly Clear | 1 to 5 mph S | 0% |
| Saturday | 67°F | Sunny | 3 mph SSE | 0% |
| Saturday Night | 43°F | Partly Cloudy | 1 to 16 mph SSW | 3% |
| Sunday | 60°F | Mostly Sunny | 0 to 7 mph SW | 3% |
| Sunday Night | 41°F | Mostly Cloudy | 0 to 6 mph S | 0% |
| Monday | 60°F | Partly Sunny | 1 to 5 mph ESE | 4% |
| Monday Night | 40°F | Partly Cloudy | 1 to 8 mph S | 6% |
| Tuesday | 61°F | Mostly Sunny then Slight Chance Light Rain | 1 to 5 mph SSW | 20% |
| Tuesday Night | 42°F | Chance Light Rain | 1 to 17 mph S | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grenada, CA
Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
169 days
Hardiness zone
8a
Explore more for Grenada, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Yreka, Ca (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.