Jamul Weather Forecast

    • 65
    • 88

    Partly Sunny

    • 65
    • 88

    Partly Sunny

    • 64
    • 88

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 65
    • 89

    Mostly Sunny

    • 66
    • 91

    Mostly Sunny

Today 26 Jul San Diego County Inland Valleys

Partly cloudy. Highs 85 to 90 in the western Valleys to 94 to 99 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 26 Jul San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 64 to 69. Areas of Winds southwest to 10 Mph in the evening becoming light.

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Jamul Temperature Statistics

July Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 2 July, 2026

    60.8 °F

  • Average July

    71.5 °F

  • Highest 15 July, 2026

    93.2 °F

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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