Palomar Mountain State Park Weather Forecast

    • 69
    • 85

    Sunny

    • 64
    • 83

    Sunny

    • 63
    • 80

    Mostly Sunny

    • 62
    • 80

    Sunny

    • 61
    • 79

    Sunny

    • 59
    • 78

    Mostly Sunny

Today 15 Jun San Diego County Mountains

Mostly sunny. Warmer. Highs 91 to 101. Areas of Winds northwest 10 to 15 Mph. Gusts to 30 Mph this afternoon.

Tonight 15 Jun San Diego County Mountains

Clear. Lows 57 to 67. Areas of Winds west 10 to 20 Mph with Gusts to 30 Mph.

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Palomar Mountain State Park Temperature Statistics

June Temperature

Fallbrook Community Airpark (19.9 miles)

  • Lowest 10 June, 2025

    55.4 °F

  • Average June

    63.2 °F

  • Highest 1 June, 2025

    82.4 °F

Climate (2020–Present)

Fallbrook Community Airpark (19.9 miles)

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  • Average Low 2020–2025

    53.5 °F

  • Average 2020–2025

    61.9 °F

  • Average High 2020–2025

    74.3 °F
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