Grenada, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grenada, a community in Siskiyou County, California.
Overnight
57°F
Clear
Clear. Low around 57, with temperatures rising to around 62 overnight. West wind around 6 mph.
7-day forecast for Grenada
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Clear | 6 mph W | 0% |
| Tuesday | 100°F | Patchy Smoke | 2 to 8 mph NNW | 0% |
| Tuesday Night | 62°F | Patchy Smoke | 2 to 8 mph WNW | 0% |
| Wednesday | 102°F | Sunny | 2 to 13 mph NE | 0% |
| Wednesday Night | 64°F | Clear | 1 to 13 mph S | 0% |
| Thursday | 101°F | Sunny | 1 to 7 mph SW | 0% |
| Thursday Night | 64°F | Clear | 1 to 7 mph W | 0% |
| Friday | 100°F | Sunny | 1 to 7 mph N | 0% |
| Friday Night | 61°F | Clear | 1 to 9 mph N | 0% |
| Saturday | 98°F | Sunny | 0 to 17 mph N | 2% |
| Saturday Night | 60°F | Clear | 1 to 17 mph N | 2% |
| Sunday | 94°F | Sunny | 1 to 17 mph N | 1% |
| Sunday Night | 57°F | Clear | 1 to 17 mph NNE | 1% |
| Monday | 94°F | Sunny | 1 to 16 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov) for Grenada (41.640, -122.527). Updated through the day.
Growing snapshot for Grenada
Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
169 days
Hardiness zone
8a
More local growing data for Grenada: nearby ZIP 96038 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
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Lake Shastina
Macdoel
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Montague
Mount Hebron
Mount Shasta
Tennant
Weed
Yreka
Climate data from the nearest NOAA station, Yreka, Ca (8.3 mi from Grenada). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.