Grenada Weather Forecast

    • 30
    • 52

    Slight Chance Rain

    • 35
    • 46

    Rain

    • 32
    • 48

    Rain Likely

    • 33
    • 48

    Rain Likely

    • 36
    • 44

    Rain

    • 32
    • 45

    Rain Likely

    • 30
    • 44

    Rain Likely

Today 19 Dec Central Siskiyou County

Mostly cloudy. Rain early this Afternoon, then chance of rain late this afternoon. Snow level 4500 feet. Highs in the mid 40s to lower 50s. Breezy. West Winds 15 to 25 Mph. Chance of rain 20 percent.

Tonight 19 Dec Central Siskiyou County

Mostly cloudy. Slight chance of rain early this evening. Lows around 30. North Winds 5 to 10 Mph.

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Grenada Temperature Statistics

December Temperature

Montague Siskiyou County Airport (9.3 miles)

  • Lowest 14 December, 2025

    21 °F

  • Average December

    36.8 °F

  • Highest 6 December, 2025

    57.9 °F

Climate (2020–Present)

Montague Siskiyou County Airport (9.3 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    68.9 °F
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