Chollas Reservoir Weather Forecast

    • 50
    • 75

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

    • 51
    • 71

    Mostly Cloudy

    • 52
    • 70

    Mostly Cloudy

    • 52
    • 67

    Mostly Cloudy

    • 52
    • 68

    Mostly Cloudy

Today 19 Jan San Diego County Coastal Areas

Patchy fog in the morning. Partly cloudy. Highs 67 to 72 near the coast to 74 inland. Light Winds.

Tonight 19 Jan San Diego County Coastal Areas

Partly cloudy. Lows 47 to 51. Light Winds.

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Chollas Reservoir Temperature Statistics

January Temperature

San Diego, Montgomery Field (6.2 miles)

  • Lowest 10 January, 2026

    39.9 °F

  • Average January

    58.7 °F

  • Highest 15 January, 2026

    80.1 °F

Climate (2021–Present)

San Diego, Montgomery Field (6.2 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    73 °F
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