Fort Jones Weather Forecast

    • 43
    • 76

    Increasing Clouds

    • 39
    • 75

    Mostly Sunny

    • 42
    • 77

    Sunny

    • 42
    • 81

    Sunny

    • 45
    • 84

    Mostly Sunny

    • 43
    • 83

    Mostly Sunny

    • 44
    • 81

    Mostly Sunny

Today 26 Sep Western Siskiyou County

Partly cloudy. Highs in the mid 60s to mid 70s. Northeast Winds 5 to 10 Mph shifting to the northwest late this afternoon.

Tonight 26 Sep Western Siskiyou County

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s to lower 50s. Northwest Winds 5 to 10 Mph shifting to the south after Midnight, then shifting to the northwest well after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Jones Temperature Statistics

September Temperature

Montague Siskiyou County Airport (22.4 miles)

  • Lowest 4 September, 2026

    35.7 °F

  • Average September

    61.2 °F

  • Highest 10 September, 2026

    94.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (22.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    69 °F
Get WillyWeather+ to remove ads