Jamul Weather Forecast

    • 67
    • 91

    Mostly Sunny

    • 66
    • 92

    Mostly Sunny

    • 64
    • 88

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

Today 1 Aug San Diego County Inland Valleys

Partly cloudy this morning. Becoming sunny. Highs 87 to 92 in the western Valleys to 95 to 100 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 1 Aug San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy. Lows 65 to 72. Areas of Winds west to 10 Mph in the evening becoming light.

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Jamul Temperature Statistics

August Temperature

Gillespie Field Airport (9.3 miles)

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Climate (2021–2026)

Gillespie Field Airport (9.3 miles)

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  • Average Low 2021–2026

    53.5 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
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