Jamul Weather Forecast

    • 48
    • 69

    Becoming Sunny

    • 51
    • 71

    Partly Sunny

    • 49
    • 70

    Partly Sunny

    • 50
    • 78

    Mostly Sunny

    • 51
    • 78

    Partly Sunny

    • 51
    • 77

    Mostly Sunny

Today 14 Apr San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly sunny. Warmer. Highs 70 to 73 in the western Valleys to 65 to 70 near the Foothills. Areas of Winds southeast to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 14 Apr San Diego County Inland Valleys

Mostly clear. Patchy fog overnight. Lows 44 to 50. Areas of Winds west 10 to 15 Mph in the evening becoming light.

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Jamul Temperature Statistics

April Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 4 April, 2026

    46.4 °F

  • Average April

    61.9 °F

  • Highest 4 April, 2026

    87.8 °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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