Palomar Mountain State Park Weather Forecast

    • 71
    • 84

    Slight Chance Thunderstorms

    • 68
    • 79

    Mostly Sunny

    • 64
    • 75

    Partly Sunny

    • 62
    • 72

    Partly Sunny

    • 62
    • 73

    Partly Sunny

    • 64
    • 75

    Partly Sunny

    • 65
    • 77

    Partly Sunny

Today 10 Aug San Diego County Mountains

Mostly sunny this Morning, then partly cloudy with a chance of Showers and Thunderstorms this afternoon. Highs 86 to 95. Areas of Winds east to 10 Mph becoming west with Gusts to 30 Mph this afternoon. Chance of measurable precipitation 40 percent.

Tonight 10 Aug San Diego County Mountains

Partly cloudy. A slight chance of Showers this evening. Cooler. Lows 61 to 70. Areas of Winds west to 10 Mph. Chance of measurable precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Palomar Mountain State Park Temperature Statistics

August Temperature

Fallbrook Community Airpark (19.9 miles)

  • Lowest 5 August, 2026

    62.6 °F

  • Average August

    73.5 °F

  • Highest 2 August, 2026

    93.2 °F

Climate (2021–2026)

Fallbrook Community Airpark (19.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    53.8 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    74.5 °F
Get WillyWeather+ to remove ads