Sweetwater Summit Regional Park Weather Forecast

    • 56
    • 77

    Increasing Clouds

    • 53
    • 76

    Partly Sunny

    • 52
    • 75

    Mostly Sunny

    • 56
    • 74

    Partly Sunny

    • 54
    • 69

    Partly Sunny

    • 54
    • 73

    Partly Sunny

Today 18 Apr San Diego County Coastal Areas

Mostly sunny. Highs 69 to 74 near the coast to 75 to 79 inland. Areas of Winds west to 10 Mph.

Tonight 18 Apr San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 52 to 56. Light Winds.

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Sweetwater Summit Regional Park Temperature Statistics

April Temperature

San Diego, Brown Field Municipal Airport (7.5 miles)

  • Lowest 14 April, 2026

    46.7 °F

  • Average April

    63.4 °F

  • Highest 4 April, 2026

    87.7 °F

Climate (2021–Present)

San Diego, Brown Field Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    74.3 °F
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