San Vicente Reservoir Weather Forecast

    • 54
    • 77

    Mostly Sunny

    • 55
    • 74

    Mostly Cloudy

    • 57
    • 72

    Mostly Cloudy

    • 56
    • 68

    Mostly Cloudy

    • 56
    • 67

    Rain Showers Likely

    • 53
    • 65

    Rain Showers Likely

Today 27 Oct San Diego County Inland Valleys

Mostly sunny. Highs 74 to 79. Light Winds becoming west 10 Mph in the afternoon.

Tonight 27 Oct San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 50 to 55. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Vicente Reservoir Temperature Statistics

October Temperature

Gillespie Field Airport (7.5 miles)

  • Lowest 14 October, 2026

    50 °F

  • Average October

    70.9 °F

  • Highest 3 October, 2026

    105.8 °F

Climate (2021–2026)

Gillespie Field Airport (7.5 miles)

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  • Average Low 2021–2026

    53.7 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    76.5 °F
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