Jamul Weather Forecast

    • 45
    • 61

    Slight Chance Rain Showers

    • 49
    • 60

    Rain Showers

    • 47
    • 60

    Rain Showers Likely

    • 47
    • 63

    Mostly Sunny

    • 48
    • 67

    Sunny

    • 48
    • 69

    Mostly Sunny

    • 49
    • 69

    Patchy Fog

Today 19 Nov San Diego County Inland Valleys

Mostly sunny. Highs 62 to 66 in the western Valleys to 55 to 60 near the Foothills. Light Winds becoming west 10 Mph this afternoon.

Tonight 19 Nov San Diego County Inland Valleys

Partly cloudy. A slight chance of Showers overnight. Lows 42 to 47. Areas of Winds northwest to 10 Mph this evening becoming light. Chance of measurable precipitation 20 percent.

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Jamul Temperature Statistics

November Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 6 November, 2025

    50 °F

  • Average November

    60.1 °F

  • Highest 10 November, 2025

    93.2 °F

Climate (2020–Present)

Gillespie Field Airport (9.3 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    75.8 °F
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