Jamul Weather Forecast

    • 57
    • 79

    Becoming Sunny

    • 57
    • 78

    Mostly Sunny

    • 56
    • 76

    Mostly Cloudy

    • 54
    • 74

    Partly Sunny

    • 54
    • 75

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

Today 4 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 77 to 81 in the western Valleys to 84 to 89 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 4 Jun San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 56 to 60. Areas of Winds west to 10 Mph in the evening becoming light.

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Jamul Temperature Statistics

June Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 1 June, 2026

    59 °F

  • Average June

    63.8 °F

  • Highest 1 June, 2026

    77 °F

Climate (2021–Present)

Gillespie Field Airport (9.3 miles)

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  • Average Low 2021–2026

    53.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
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