Mount Williamson Weather Forecast

    • 39
    • 55

    Partly Sunny

    • 36
    • 54

    Partly Sunny

    • 37
    • 44

    Rain Likely

    • 37
    • 46

    Partly Sunny

    • 39
    • 51

    Partly Sunny

    • 41
    • 51

    Mostly Cloudy

Today 23 Apr Eastern San Gabriel Mountains

Partly cloudy in the morning then sunny. Highs from the mid 60s to mid 70s at low Elevations to the 50s at high Elevations. North Winds around 15 Mph in the morning.

Tonight 23 Apr Eastern San Gabriel Mountains

Partly cloudy in the evening then mostly clear. Lows in the 40s to lower 50s except the upper 20s to mid 30s Colder Valleys and Slopes.

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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

    51 °F

  • Average 2021–2025

    65 °F

  • Average High 2021–2025

    78.6 °F
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