Greenhorn Reservoir Weather Forecast

    • 31
    • 55

    Rain

    • 28
    • 50

    Mostly Cloudy

    • 30
    • 49

    Chance Rain

    • 28
    • 48

    Partly Sunny

    • 28
    • 51

    Partly Sunny

    • 29
    • 49

    Chance Rain/Snow

Today 8 Feb Central Siskiyou County

Rain likely this Morning, then rain early this afternoon. Rain likely late this afternoon. Snow level 6000 feet this afternoon. Highs in the mid 40s to mid 50s. South Winds 10 to 20 Mph. Chance of rain 90 percent.

Tonight 8 Feb Central Siskiyou County

Mostly cloudy. A 30 percent chance of rain in the evening. Patchy fog after midnight. Snow level 5000 feet in the evening. Lows around 30. West Winds 5 to 10 Mph shifting to the northwest well after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenhorn Reservoir Temperature Statistics

February Temperature

Montague Siskiyou County Airport (9.9 miles)

  • Lowest 2 February, 2026

    18.6 °F

  • Average February

    39.5 °F

  • Highest 5 February, 2026

    64.9 °F

Climate (2021–Present)

Montague Siskiyou County Airport (9.9 miles)

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

  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    69.1 °F
Get WillyWeather+ to remove ads