Lake Jennings Weather Forecast

    • 57
    • 71

    Rain

    • 52
    • 67

    Chance Rain Showers

    • 47
    • 64

    Rain Showers Likely

    • 42
    • 61

    Slight Chance Rain Showers

    • 44
    • 67

    Partly Sunny

    • 50
    • 70

    Partly Sunny

    • 52
    • 74

    Chance Rain Showers

Today 24 Dec San Diego County Inland Valleys

A slight chance of Thunderstorms. A chance of rain this Morning, then rain this afternoon. Rain may be heavy at Times this afternoon. Warmer. Highs 67 to 72. Areas of Winds south 20 to 30 Mph. Gusts to 40 Mph. Becoming 45 Mph this afternoon.

Tonight 24 Dec San Diego County Inland Valleys

Rain and a slight chance of Thunderstorms this Evening, then Showers likely overnight. Precipitation may be heavy at Times. Lows 51 to 56. Areas of Winds southwest 10 to 20 Mph. Gusts to 35 Mph. Becoming 30 Mph overnight.

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Lake Jennings Temperature Statistics

December Temperature

Gillespie Field Airport (5 miles)

  • Lowest 5 December, 2025

    39.2 °F

  • Average December

    54.1 °F

  • Highest 10 December, 2025

    86 °F

Climate (2020–Present)

Gillespie Field Airport (5 miles)

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  • Average Low 2020–2025

    53.1 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    75.8 °F
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