Jamul Weather Forecast

    • 64
    • 88

    Becoming Sunny

    • 64
    • 89

    Mostly Sunny

    • 61
    • 87

    Partly Sunny

    • 63
    • 83

    Mostly Cloudy

    • 64
    • 83

    Partly Sunny

    • 65
    • 85

    Mostly Sunny

Today 8 Jul San Diego County Inland Valleys

Mostly sunny. Patchy fog this morning. Hazy. Highs 81 to 86 in the western Valleys to 93 to 98 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 8 Jul San Diego County Inland Valleys

Mostly clear. Areas of smoke overnight. Lows 61 to 66. Areas of Winds west 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

    67.8 °F

  • Highest 4 July, 2026

    91.4 °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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