Lake Jennings Weather Forecast

    • 59
    • 87

    Becoming Sunny

    • 60
    • 89

    Mostly Sunny

    • 61
    • 88

    Partly Sunny

    • 64
    • 88

    Mostly Sunny

    • 66
    • 91

    Mostly Sunny

    • 68
    • 93

    Mostly Sunny

Today 4 Jul San Diego County Inland Valleys

Partly cloudy with patchy fog in the morning. Becoming mostly sunny. Warmer. Highs 79 to 84 in the western Valleys to 86 to 91 near the Foothills. Light Winds becoming west 10 Mph in the afternoon.

Tonight 4 Jul San Diego County Inland Valleys

Clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 54 to 61. Areas of Winds west to 10 Mph in the evening becoming light.

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Lake Jennings Temperature Statistics

July Temperature

Gillespie Field Airport (5 miles)

  • Lowest 1 July, 2025

    62.6 °F

  • Average July

    66.5 °F

  • Highest 1 July, 2025

    84.2 °F

Climate (2020–Present)

Gillespie Field Airport (5 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    76.1 °F
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