Jamul Weather Forecast

    • 53
    • 81

    Mostly Sunny

    • 54
    • 80

    Partly Sunny

    • 52
    • 76

    Partly Sunny

    • 53
    • 77

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 53
    • 69

    Slight Chance Rain Showers

Today 4 Apr San Diego County Inland Valleys

Mostly sunny. Highs around 84 in the western Valleys to 78 to 83 near the Foothills. Areas of Winds east 10 to 15 Mph with Gusts to 30 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 4 Apr San Diego County Inland Valleys

Mostly clear. Lows 46 to 54 in wind Sheltered Areas to 51 to 57 in warmer Locations. Areas of Winds southwest to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamul Temperature Statistics

April Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 1 April, 2026

    57.2 °F

  • Average April

    63.8 °F

  • Highest 1 April, 2026

    73.4 °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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