Jamul Weather Forecast

    • 54
    • 75

    Becoming Sunny

    • 54
    • 74

    Becoming Sunny

    • 55
    • 74

    Partly Sunny

    • 57
    • 76

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

Today 19 Jun San Diego County Inland Valleys

Partly cloudy this morning. Becoming sunny. Highs 73 to 77 in the western Valleys to 75 to 80 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 19 Jun San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 50 to 56. Areas of Winds west 10 Mph this evening becoming light.

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Jamul Temperature Statistics

June Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 9 June, 2026

    55.4 °F

  • Average June

    66.8 °F

  • Highest 12 June, 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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