Mount Williamson Weather Forecast

    • 59
    • 68

    Sunny

    • 55
    • 68

    Sunny

    • 49
    • 62

    Partly Sunny

    • 46
    • 58

    Breezy

    • 43
    • 53

    Breezy

    • 41
    • 53

    Breezy

Today 28 Mar Eastern San Gabriel Mountains

Sunny. Highs from the upper 70s and 80s at low Elevations to the mid 60s to lower 70s at high Elevations. Southwest Winds 15 to 25 Mph in the afternoon.

Tonight 28 Mar Eastern San Gabriel Mountains

Clear. Lows in the 60s to around 70 except the upper 40s to mid 50s Colder Valleys and Slopes. Southwest Winds 15 to 25 Mph in the evening.

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Mount Williamson Temperature Statistics

March 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

    50.8 °F

  • Average 2021–2025

    64.9 °F

  • Average High 2021–2025

    78.5 °F
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