Jamul Weather Forecast

    • 58
    • 80

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 60
    • 81

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 58
    • 78

    Sunny

Today 10 Jun San Diego County Inland Valleys

Mostly sunny. Highs 78 to 82 in the western Valleys to 85 to 90 near the Foothills. Areas of Winds southwest to 10 Mph becoming west this afternoon.

Tonight 10 Jun San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 55 to 60. Areas of Winds west to 10 Mph in the evening becoming light.

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Jamul Temperature Statistics

June Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 1 June, 2026

    59 °F

  • Average June

    64.9 °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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