Jamul Weather Forecast

    • 61
    • 84

    Sunny

    • 62
    • 90

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

    • 50
    • 68

    Mostly Sunny

    • 51
    • 71

    Mostly Sunny

Today 26 Feb San Diego County Inland Valleys

Sunny, warmer. Highs 83 to 88. Areas of Winds northeast to 10 Mph becoming west this afternoon.

Tonight 26 Feb San Diego County Inland Valleys

Clear. Lows 54 to 62 in wind Sheltered Areas to 59 to 66 in warmer Locations. Light Winds.

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Jamul Temperature Statistics

February Temperature

Gillespie Field Airport (9.3 miles)

  • Lowest 21 February, 2026

    37.4 °F

  • Average February

    54.7 °F

  • Highest 4 February, 2026

    87.8 °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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