Jamul Weather Forecast

    • 62
    • 82

    Rain Showers

    • 57
    • 68

    Rain Showers

    • 52
    • 65

    Rain Showers

    • 51
    • 68

    Mostly Sunny

    • 55
    • 73

    Mostly Sunny

    • 59
    • 81

    Sunny

Today 10 Oct San Diego County Inland Valleys

Cloudy. A slight chance of Showers this afternoon. Highs 82 to 87. Light Winds becoming southwest 10 Mph this afternoon. Chance of measurable precipitation 20 percent.

Tonight 10 Oct San Diego County Inland Valleys

Cloudy. A chance of Showers in the Evening, then Showers likely overnight. Locally heavy rainfall possible overnight. Lows 57 to 64. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph becoming north with Gusts to 30 Mph overnight. Chance of measurable precipitation 70 percent.

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Jamul Temperature Statistics

October Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 1 October, 2026

    60.8 °F

  • Average October

    78.3 °F

  • Highest 3 October, 2026

    105.8 °F

Climate (2021–2026)

Gillespie Field Airport (9.3 miles)

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  • Average Low 2021–2026

    53.6 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    76.5 °F
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