Big Dalton Reservoir Weather Forecast

    • 50
    • 73

    Increasing Clouds

    • 50
    • 72

    Partly Sunny

    • 49
    • 70

    Partly Sunny

    • 48
    • 66

    Partly Sunny

    • 47
    • 62

    Partly Sunny

    • 47
    • 63

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

Today 23 May Eastern San Gabriel Mountains

Patchy low Clouds and fog. Highs from the 70s to around 80 at low Elevations to the lower to mid 60s at high Elevations. South wind around 15 Mph in the afternoon.

Tonight 23 May Eastern San Gabriel Mountains

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

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  • Temperature Real-Time

Big Dalton Reservoir Temperature Statistics

May Temperature

Brackett Field Airport (5.6 miles)

  • Lowest 6 May, 2026

    51.8 °F

  • Average May

    68.8 °F

  • Highest 11 May, 2026

    89.6 °F

Climate (2021–Present)

Brackett Field Airport (5.6 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    68.1 °F

  • Average High 2021–2026

    76 °F
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