Fort Jones, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Jones, a city in Siskiyou County, California.
Tonight
45°F
Clear
Clear. Low around 45, with temperatures rising to around 47 overnight. East northeast wind around 3 mph.
7-day forecast for Fort Jones
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Clear | 3 mph ENE | 0% |
| Saturday | 84°F | Sunny | 2 mph SSW | 0% |
| Saturday Night | 48°F | Partly Cloudy | 0 to 3 mph ENE | 0% |
| Sunday | 87°F | Mostly Sunny | 1 to 8 mph N | 0% |
| Sunday Night | 51°F | Mostly Clear | 1 to 8 mph W | 0% |
| Monday | 88°F | Sunny | 1 to 7 mph ENE | 0% |
| Monday Night | 50°F | Mostly Clear | 2 to 7 mph ENE | 0% |
| Tuesday | 86°F | Sunny | 1 to 8 mph NE | 0% |
| Tuesday Night | 47°F | Mostly Clear | 2 to 8 mph N | 0% |
| Wednesday | 85°F | Sunny | 1 to 6 mph NNE | 0% |
| Wednesday Night | 48°F | Mostly Clear | 2 to 6 mph WSW | 0% |
| Thursday | 85°F | Sunny | 1 to 7 mph ENE | 0% |
| Thursday Night | 48°F | Partly Cloudy | 3 to 7 mph W | 1% |
| Friday | 79°F | Sunny | 1 to 7 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Fort Jones (41.608, -122.841). Updated through the day.
Growing snapshot for Fort Jones
Last spring frost
May 20
First fall frost
Oct 5
Growing season
135 days
Hardiness zone
8a
More local growing data for Fort Jones: nearby ZIP 96037 weather · frost dates · planting calendar · California frost dates
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Weed
Yreka
Climate data from the nearest NOAA station, Callahan, Ca (15.2 mi from Fort Jones). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.