Big Dalton Reservoir Weather Forecast

    • 53
    • 74

    Sunny

    • 53
    • 68

    Partly Sunny

    • 53
    • 68

    Mostly Cloudy

    • 51
    • 68

    Mostly Cloudy

    • 52
    • 62

    Rain Showers

    • 50
    • 56

    Rain Showers

Today 19 Dec Eastern San Gabriel Mountains

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

Tonight 19 Dec Eastern San Gabriel Mountains

Mostly clear. Lows in the upper 40s and 50s except the lower to mid 40s Colder Valleys and Slopes. West Winds around 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Dalton Reservoir Temperature Statistics

December Temperature

Brackett Field Airport (5.6 miles)

  • Lowest 5 December, 2025

    42.8 °F

  • Average December

    64 °F

  • Highest 10 December, 2025

    86 °F

Climate (2020–Present)

Brackett Field Airport (5.6 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    75.6 °F
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