Mount Wilson Weather Forecast

    • 42
    • 58

    Increasing Clouds

    • 40
    • 53

    Sunny

    • 43
    • 51

    Sunny

    • 45
    • 56

    Breezy

    • 48
    • 62

    Mostly Sunny

    • 48
    • 61

    Mostly Sunny

Today 4 Mar Eastern San Gabriel Mountains

Sunny. Highs from the mid 60s to mid 70s at low Elevations to the lower to mid 50s at high Elevations. Southwest Winds 15 to 25 Mph in the afternoon.

Tonight 4 Mar Eastern San Gabriel Mountains

Mostly cloudy in the evening then mostly clear. Lows in the 40s to around 50 except the mid to upper 20s Colder Valleys and Slopes. Northwest Winds 25 to 35 Mph with Gusts to 55 Mph.

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Mount Wilson Temperature Statistics

March Temperature

El Monte (9.9 miles)

  • Lowest 1 March, 2026

    68 °F

  • Average March

    78.6 °F

  • Highest 1 March, 2026

    84.2 °F

Climate (2021–Present)

El Monte (9.9 miles)

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  • Average Low 2021–2026

    59.6 °F

  • Average 2021–2026

    70.4 °F

  • Average High 2021–2026

    77 °F
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