Mount San Antonio Weather Forecast

    • 47
    • 63

    Mostly Sunny

    • 40
    • 56

    Mostly Sunny

    • 32
    • 50

    Mostly Sunny

    • 31
    • 47

    Partly Sunny

    • 32
    • 44

    Mostly Cloudy

    • 31
    • 43

    Chance Snow Showers

Today 21 Apr Eastern San Gabriel Mountains

Sunny. Highs from the mid 70s to lower 80s at low Elevations to the mid 60s to lower 70s at high Elevations.

Tonight 21 Apr Eastern San Gabriel Mountains

Mostly clear. Lows in the upper 40s to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount San Antonio Temperature Statistics

April Temperature

Brackett Field Airport (14.9 miles)

  • Lowest 6 April, 2024

    41 °F
  • Average April

    60.5 °F
  • Highest 11 April, 2024

    84.2 °F

Climate (2019–Present)

Brackett Field Airport (14.9 miles)

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  • Average Low 2019–2024

    55.5 °F
  • Average 2019–2024

    67.6 °F
  • Average High 2019–2024

    75.5 °F
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