Fort Jones, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Jones, a city in Siskiyou County, California.
Today
101°F
Patchy Smoke then Sunny
Patchy smoke between 8am and 9am. Sunny, with a high near 101. North northeast wind 2 to 7 mph.
7-day forecast for Fort Jones
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 101°F | Patchy Smoke then Sunny | 2 to 7 mph NNE | 0% |
| Tonight | 62°F | Clear then Patchy Smoke | 1 to 7 mph N | 0% |
| Wednesday | 102°F | Sunny | 1 to 7 mph NW | 0% |
| Wednesday Night | 64°F | Clear | 3 to 7 mph WSW | 0% |
| Thursday | 102°F | Sunny | 2 to 8 mph S | 1% |
| Thursday Night | 63°F | Clear | 1 to 8 mph W | 1% |
| Friday | 101°F | Sunny | 2 to 9 mph NE | 3% |
| Friday Night | 62°F | Clear | 1 to 9 mph NNW | 3% |
| Saturday | 98°F | Sunny | 1 to 15 mph NNE | 1% |
| Saturday Night | 58°F | Clear | 2 to 15 mph N | 1% |
| Sunday | 94°F | Sunny | 2 to 14 mph NNE | 1% |
| Sunday Night | 55°F | Clear | 2 to 14 mph NNE | 1% |
| Monday | 92°F | Sunny | 2 to 13 mph NNE | 0% |
| Monday Night | 55°F | Clear | 2 to 13 mph NNE | 0% |
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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Mount Hebron
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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 Aug 4, 2026.