Willow Creek Mountain Weather Forecast

    • 41
    • 61

    Mostly Sunny

    • 43
    • 56

    Slight Chance Thunderstorms

    • 45
    • 59

    Slight Chance Thunderstorms

    • 47
    • 63

    Sunny

    • 49
    • 67

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

Today 15 Sep North Central and Southeast Siskiyou County

Sunny. Highs in the lower 70s to lower 80s. Northeast Winds around 5 Mph shifting to the west in the afternoon.

Tonight 15 Sep North Central and Southeast Siskiyou County

Mostly clear in the Evening, then partly cloudy with a 20 percent chance of Showers after midnight. Lows in the lower to mid 40s. Northwest Winds 5 to 10 Mph shifting to the north well after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Willow Creek Mountain Temperature Statistics

September Temperature

Montague Siskiyou County Airport (11.8 miles)

  • Lowest 4 September, 2026

    35.7 °F

  • Average September

    60.7 °F

  • Highest 10 September, 2026

    94.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (11.8 miles)

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

  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    69 °F
Get WillyWeather+ to remove ads