Chollas Reservoir Weather Forecast

    • 58
    • 82

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 59
    • 76

    Mostly Cloudy

    • 56
    • 70

    Patchy Fog

    • 58
    • 73

    Mostly Cloudy

    • 59
    • 76

    Partly Sunny

Today 18 Oct San Diego County Coastal Areas

Mostly sunny. Highs 74 to 79 near the coast to 80 to 84 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 18 Oct San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 56 to 59. Light Winds.

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Chollas Reservoir Temperature Statistics

October Temperature

San Diego, Montgomery Field (6.2 miles)

  • Lowest 16 October, 2025

    51.1 °F

  • Average October

    65.3 °F

  • Highest 10 October, 2025

    77 °F

Climate (2020–Present)

San Diego, Montgomery Field (6.2 miles)

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  • Average Low 2020–2025

    55.8 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    73 °F
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