Greenhorn Reservoir Weather Forecast

    • 39
    • 70

    Rain

    • 30
    • 49

    Rain

    • 34
    • 52

    Mostly Cloudy

    • 34
    • 55

    Chance Rain

    • 32
    • 56

    Mostly Sunny

    • 38
    • 65

    Sunny

    • 44
    • 73

    Sunny

Today 3 May Central Siskiyou County

Sunny then becoming partly cloudy early this afternoon then becoming mostly cloudy. Highs in the lower 60s to lower 70s. Northeast Winds around 5 Mph shifting to the south this afternoon.

Tonight 3 May Central Siskiyou County

Cloudy. Chance of rain this Evening, then rain after midnight. Snow level 4500 feet after midnight. Lows in the mid 30s to lower 40s. Southwest Winds 5 to 10 Mph shifting to the south 10 to 15 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenhorn Reservoir Temperature Statistics

May Temperature

Montague Siskiyou County Airport (9.9 miles)

  • Lowest 1 May, 2024

    28 °F

  • Average May

    47.5 °F

  • Highest 1 May, 2024

    64 °F

Climate (2019–Present)

Montague Siskiyou County Airport (9.9 miles)

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  • Average Low 2019–2024

    39.8 °F

  • Average 2019–2024

    54 °F

  • Average High 2019–2024

    68.7 °F
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