Palomar Mountain State Park Weather Forecast

    • 46
    • 61

    Partly Sunny

    • 48
    • 59

    Mostly Sunny

    • 49
    • 64

    Partly Sunny

    • 34
    • 58

    Chance Rain/Snow

    • 36
    • 41

    Chance Rain Showers

    • 39
    • 43

    Partly Sunny

    • 44
    • 54

    Mostly Sunny

Today 30 Apr San Diego County Mountains

Mostly sunny this morning. Becoming partly cloudy. Highs 67 to 77. Areas of Winds west 10 to 20 Mph. Gusts to 25 Mph. Becoming 35 Mph this afternoon.

Tonight 30 Apr San Diego County Mountains

Mostly clear this evening. Becoming partly cloudy. Colder. Lows 39 to 49. Areas of Winds west 10 to 20 Mph. Gusts to 35 Mph. Becoming 30 Mph overnight.

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Palomar Mountain State Park Temperature Statistics

April Temperature

Fallbrook Community Airpark (19.9 miles)

  • Lowest 4 April, 2025

    41 °F

  • Average April

    57.6 °F

  • Highest 11 April, 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

    62 °F

  • Average High 2020–2025

    74.3 °F
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