San Vicente Reservoir Weather Forecast

    • 53
    • 81

    Sunny

    • 54
    • 84

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

Today 17 Oct San Diego County Inland Valleys

Sunny. Highs 76 to 81. Areas of Winds east to 10 Mph becoming west 10 Mph in the afternoon.

Tonight 17 Oct San Diego County Inland Valleys

Mostly clear. Lows 51 to 56. Areas of Winds west to 10 Mph becoming northeast overnight.

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San Vicente Reservoir Temperature Statistics

October Temperature

Gillespie Field Airport (7.5 miles)

  • Lowest 5 October, 2025

    53.6 °F

  • Average October

    64.5 °F

  • Highest 10 October, 2025

    84.2 °F

Climate (2020–Present)

Gillespie Field Airport (7.5 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    75.8 °F
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