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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

WhenTempForecastWindPrecip
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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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.