Mount Shasta, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Shasta, a city in Siskiyou County, California.
Overnight
54°F
Clear
Clear. Low around 54, with temperatures rising to around 59 overnight. North northwest wind around 6 mph.
7-day forecast for Mount Shasta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Clear | 6 mph NNW | 0% |
| Tuesday | 97°F | Sunny | 1 to 6 mph NW | 0% |
| Tuesday Night | 57°F | Clear | 0 to 5 mph NNW | 0% |
| Wednesday | 96°F | Sunny | 1 to 12 mph SE | 0% |
| Wednesday Night | 56°F | Clear | 0 to 10 mph SSE | 0% |
| Thursday | 96°F | Sunny | 0 to 6 mph S | 0% |
| Thursday Night | 57°F | Clear | 0 to 6 mph W | 0% |
| Friday | 97°F | Sunny | 0 to 5 mph S | 1% |
| Friday Night | 56°F | Clear | 1 to 5 mph NNW | 0% |
| Saturday | 96°F | Sunny | 1 to 5 mph W | 2% |
| Saturday Night | 55°F | Clear | 1 to 5 mph NW | 2% |
| Sunday | 93°F | Sunny | 1 to 5 mph W | 1% |
| Sunday Night | 53°F | Clear | 1 to 5 mph NNW | 0% |
| Monday | 89°F | Sunny | 1 to 6 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Mount Shasta (41.321, -122.315). Updated through the day.
Growing snapshot for Mount Shasta
Last spring frost
May 15
First fall frost
Oct 6
Growing season
143 days
Hardiness zone
8a
More local growing data for Mount Shasta: nearby ZIP 96067 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Carrick
Castella
Dorris
Dunsmuir
Edgewood
Etna
Fort Jones
Gazelle
Greenview
Grenada
Happy Camp
Hornbrook
Lake Shastina
Macdoel
McCloud
Montague
Mount Hebron
Tennant
Weed
Yreka
Climate data from the nearest NOAA station, Mt Shasta, Ca (0.3 mi from Mount Shasta). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.