Jamul Weather Forecast

    • 50
    • 75

    Sunny

    • 53
    • 79

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

    • 49
    • 68

    Partly Sunny

Today 17 Apr San Diego County Inland Valleys

Sunny. Highs 75 to 78 in the western Valleys to 71 to 76 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 17 Apr San Diego County Inland Valleys

Clear. Lows 43 to 51 in wind Sheltered Areas to 48 to 53 in warmer Locations. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Jamul Temperature Statistics

April Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 4 April, 2026

    46.4 °F

  • Average April

    61.4 °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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