Jamul Weather Forecast

    • 57
    • 72

    Partly Sunny

    • 55
    • 72

    Partly Sunny

    • 53
    • 74

    Partly Sunny

    • 56
    • 75

    Mostly Cloudy

    • 58
    • 77

    Partly Sunny

    • 59
    • 79

    Partly Sunny

Today 29 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 72 to 77. Areas of Winds southwest to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 29 Jun San Diego County Inland Valleys

Partly cloudy in the Evening, then mostly cloudy with patchy fog and drizzle overnight. Lows 51 to 59. Areas of Winds southwest 10 Mph in the evening becoming light.

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Jamul Temperature Statistics

June Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 9 June, 2026

    55.4 °F

  • Average June

    66.6 °F

  • Highest 12 June, 2026

    93.2 °F

Climate (2021–2026)

Gillespie Field Airport (9.3 miles)

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  • Average Low 2021–2026

    53.5 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
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