Jamul Weather Forecast

    • 50
    • 80

    Decreasing Clouds

    • 50
    • 69

    Partly Sunny

    • 51
    • 70

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 53
    • 75

    Mostly Cloudy

    • 50
    • 66

    Chance Rain Showers

    • 46
    • 63

    Chance Rain Showers

Today 5 Feb San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly cloudy. Highs 83 to 86 in the western Valleys to 73 to 78 near the Foothills. Areas of Winds east 15 to 25 Mph with Gusts to 40 Mph becoming southwest 10 to 20 Mph with Gusts to 30 Mph this afternoon.

Tonight 5 Feb San Diego County Inland Valleys

Cloudy this evening. Becoming partly cloudy. Cooler. Lows 43 to 52 in wind Sheltered Areas to 49 to 54 in warmer Locations. Light Winds.

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Jamul Temperature Statistics

February Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 1 February, 2026

    42.8 °F

  • Average February

    54 °F

  • Highest 3 February, 2026

    84.2 °F

Climate (2021–Present)

Gillespie Field Airport (9.3 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    75.9 °F
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