Grass Lake Weather Forecast

    • 23
    • 46

    Sunny

    • 26
    • 50

    Sunny

    • 31
    • 51

    Rain/Snow

    • 31
    • 39

    Rain

    • 30
    • 40

    Rain

    • 32
    • 42

    Rain/Snow Likely

    • 29
    • 42

    Rain/Snow Likely

Today 28 Jan North Central and Southeast Siskiyou County

Sunny. Highs in the mid 40s to lower 50s. Northeast Winds 5 to 10 Mph.

Tonight 28 Jan North Central and Southeast Siskiyou County

Clear. Lows in the lower 20s to lower 30s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

January Temperature

Montague Siskiyou County Airport (17.4 miles)

  • Lowest 21 January, 2025

    14.8 °F

  • Average January

    37 °F

  • Highest 24 January, 2025

    56.6 °F

Climate (2020–Present)

Montague Siskiyou County Airport (17.4 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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