Jamul Weather Forecast

    • 61
    • 82

    Partly Sunny

    • 64
    • 84

    Partly Sunny

    • 64
    • 85

    Mostly Sunny

    • 67
    • 87

    Mostly Sunny

    • 70
    • 92

    Mostly Sunny

    • 68
    • 89

    Slight Chance Rain Showers

Today 11 Jul San Diego County Inland Valleys

Mostly cloudy in the morning. Becoming partly cloudy. Highs 79 to 83 in the western Valleys to 88 to 93 near the Foothills. Light Winds becoming west 10 Mph in the afternoon.

Tonight 11 Jul San Diego County Inland Valleys

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 58 to 63. Areas of Winds west to 10 Mph this 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

    68.3 °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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