Sweetwater Reservoir Weather Forecast

    • 50
    • 75

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 54
    • 80

    Partly Sunny

    • 56
    • 80

    Partly Sunny

Today 20 Feb San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs 66 to 71 near the coast to 72 to 75 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 20 Feb San Diego County Coastal Areas

Mostly clear. Lows 43 to 50. Light Winds.

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Sweetwater Reservoir Temperature Statistics

February Temperature

San Diego, Brown Field Municipal Airport (8.1 miles)

  • Lowest 1 February, 2025

    41.6 °F

  • Average February

    56.9 °F

  • Highest 2 February, 2025

    74.6 °F

Climate (2020–Present)

San Diego, Brown Field Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    54.1 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    73.4 °F
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