Mount Williamson Weather Forecast

    • 35
    • 45

    Breezy

    • 42
    • 48

    Breezy

    • 46
    • 56

    Breezy

    • 50
    • 59

    Mostly Sunny

    • 50
    • 61

    Mostly Sunny

    • 47
    • 62

    Sunny

Today 2 Apr Eastern San Gabriel Mountains

Partly cloudy in the morning then sunny. Highs from the upper 50s and 60s at low Elevations to the 40s at high Elevations. Southwest Winds 15 to 25 Mph.

Tonight 2 Apr Eastern San Gabriel Mountains

Mostly clear. Lows in the 40s to around 50 except around 30 Colder Valleys and Slopes. West Winds 15 to 25 Mph shifting to the north after midnight.

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Mount Williamson Temperature Statistics

April Temperature

Gray Butte Field Airport (16.8 miles)

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Climate (2021–Present)

Gray Butte Field Airport (16.8 miles)

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  • Average Low 2021–2025

    50.9 °F

  • Average 2021–2025

    64.9 °F

  • Average High 2021–2025

    78.6 °F
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