Mount Williamson Weather Forecast

    • 31
    • 42

    Mostly Sunny

    • 35
    • 46

    Sunny

    • 39
    • 52

    Sunny

    • 42
    • 52

    Sunny

    • 43
    • 52

    Sunny

    • 45
    • 53

    Sunny

    • 46
    • 56

    Mostly Sunny

Today 3 Dec Eastern San Gabriel Mountains

Sunny. Highs from the mid 50s to lower 60s at low Elevations to the upper 30s to mid 40s at high Elevations. Northeast Winds 15 to 25 Mph.

Tonight 3 Dec Eastern San Gabriel Mountains

Mostly clear. Lows in the upper 30s and 40s except the mid to upper 20s Colder Valleys and Slopes. Northeast Winds 15 to 25 Mph.

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Mount Williamson Temperature Statistics

December Temperature

Gray Butte Field Airport (16.8 miles)

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Climate (2020–Present)

Gray Butte Field Airport (16.8 miles)

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  • Average Low 2020–2025

    50 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    77.6 °F
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