Jamul Weather Forecast

    • 61
    • 92

    Sunny

    • 57
    • 85

    Sunny

    • 56
    • 79

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 54
    • 78

    Sunny

Today 29 Oct San Diego County Inland Valleys

Sunny. Highs 91 to 96. Areas of Winds east 10 to 20 Mph becoming west 10 to 15 Mph this afternoon. Gusts to 30 Mph.

Tonight 29 Oct San Diego County Inland Valleys

Clear. Lows 58 to 64. Areas of Winds east 10 to 15 Mph.

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Jamul Temperature Statistics

October Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 16 October, 2025

    48.2 °F

  • Average October

    62.7 °F

  • Highest 18 October, 2025

    87.8 °F

Climate (2020–Present)

Gillespie Field Airport (9.3 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    75.8 °F
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