Lake Jennings Weather Forecast

    • 44
    • 55

    Chance Rain Showers

    • 42
    • 54

    Rain Showers

    • 37
    • 58

    Mostly Sunny

    • 44
    • 67

    Mostly Cloudy

    • 47
    • 71

    Partly Sunny

    • 51
    • 75

    Chance Rain Showers

Today 18 Feb San Diego County Inland Valleys

Cloudy with Showers this Morning, then partly cloudy with a slight chance of Showers this afternoon. Locally heavy rainfall possible this morning. Highs around 56 in the western Valleys to 47 to 51 near the Foothills. Areas of Winds west 20 to 30 Mph with Gusts to 45 Mph. Becoming 10 to 20 Mph with Gusts to 30 Mph this afternoon.

Tonight 18 Feb San Diego County Inland Valleys

Partly cloudy. A chance of Showers overnight. Colder. Lows 37 to 45. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph in the evening. Chance of measurable precipitation 40 percent.

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Lake Jennings Temperature Statistics

February Temperature

Gillespie Field Airport (5 miles)

  • Lowest 1 February, 2026

    42.8 °F

  • Average February

    56.2 °F

  • Highest 4 February, 2026

    87.8 °F

Climate (2021–Present)

Gillespie Field Airport (5 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    75.9 °F
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