San Gabriel Reservoir Weather Forecast

    • 49
    • 65

    Partly Sunny

    • 47
    • 70

    Partly Sunny

    • 49
    • 73

    Mostly Sunny

    • 46
    • 74

    Mostly Cloudy

    • 45
    • 64

    Rain Likely

    • 42
    • 59

    Chance Rain

    • 39
    • 59

    Slight Chance Rain

Today 31 Jan Eastern San Gabriel Mountains

Partly cloudy. Highs from the upper 50s to mid 60s at low Elevations to the lower to mid 50s at high Elevations.

Tonight 31 Jan Eastern San Gabriel Mountains

Partly cloudy. Lows in the mid 40s to mid 50s except the mid 30s to around 40 Colder Valleys and Slopes. Northwest Winds around 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Gabriel Reservoir Temperature Statistics

January Temperature

Brackett Field Airport (9.3 miles)

  • Lowest 21 January, 2025

    37.4 °F

  • Average January

    57.5 °F

  • Highest 2 January, 2025

    80.6 °F

Climate (2020–Present)

Brackett Field Airport (9.3 miles)

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  • Average Low 2020–2025

    55.6 °F

  • Average 2020–2025

    67.7 °F

  • Average High 2020–2025

    75.5 °F
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