Jamul Weather Forecast

    • 55
    • 73

    Gradual Clearing

    • 55
    • 75

    Partly Sunny

    • 58
    • 77

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

Today 7 Jun San Diego County Inland Valleys

Mostly cloudy this morning. Becoming partly cloudy. Patchy fog this morning. Highs 74 to 79. Areas of Winds west to 10 Mph.

Tonight 7 Jun San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 51 to 56. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamul Temperature Statistics

June Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 1 June, 2026

    59 °F

  • Average June

    64 °F

  • Highest 3 June, 2026

    80.6 °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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