Julian County Park Weather Forecast

    • 55
    • 77

    Sunny

    • 59
    • 81

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 53
    • 75

    Mostly Sunny

    • 60
    • 79

    Sunny

    • 62
    • 83

    Mostly Sunny

Today 18 Sep San Diego County Mountains

Sunny. Highs 75 to 85. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph. Becoming 30 Mph this afternoon.

Tonight 18 Sep San Diego County Mountains

Clear. Lows 48 to 58. Areas of Winds west 10 to 20 Mph with Gusts to 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Julian County Park Temperature Statistics

September Temperature

Ramona, Ramona Airport (18 miles)

  • Lowest 3 September, 2026

    50 °F

  • Average September

    75.7 °F

  • Highest 9 September, 2026

    104 °F

Climate (2021–2026)

Ramona, Ramona Airport (18 miles)

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

  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    76.9 °F
Get WillyWeather+ to remove ads