Jamul Weather Forecast

    • 62
    • 86

    Mostly Sunny

    • 63
    • 88

    Mostly Sunny

    • 66
    • 92

    Mostly Sunny

    • 67
    • 94

    Mostly Sunny

    • 66
    • 93

    Mostly Sunny

Today 29 Jul San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 83 to 88 in the western Valleys to 89 to 94 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 29 Jul San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 60 to 65. 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

    72 °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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