Greenhorn Reservoir Weather Forecast

    • 26
    • 50

    Sunny

    • 36
    • 53

    Rain

    • 37
    • 45

    Rain

    • 35
    • 45

    Rain

    • 32
    • 45

    Rain Likely

    • 27
    • 42

    Rain/Snow Likely

Today 29 Jan Central Siskiyou County

Sunny. Highs in the mid 40s to lower 50s. East Winds around 5 Mph.

Tonight 29 Jan Central Siskiyou County

Clear. Lows in the mid 20s to lower 30s. East Winds around 5 Mph.

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  • Temperature Real-Time

Greenhorn Reservoir Temperature Statistics

January Temperature

Montague Siskiyou County Airport (9.9 miles)

  • Lowest 27 January, 2025

    12.9 °F

  • Average January

    36.7 °F

  • Highest 24 January, 2025

    56.6 °F

Climate (2020–Present)

Montague Siskiyou County Airport (9.9 miles)

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  • Average Low 2020–2025

    39.8 °F

  • Average 2020–2025

    54.3 °F

  • Average High 2020–2025

    69.2 °F
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