San Gorgonio Weather Forecast

    • 69
    • 97

    Hot

    • 69
    • 97

    Hot

    • 69
    • 96

    Mostly Sunny

    • 69
    • 95

    Partly Sunny

    • 63
    • 87

    Partly Sunny

    • 63
    • 85

    Mostly Sunny

    • 66
    • 91

    Sunny

Today 23 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 88 to 93.

Tonight 23 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 63 to 68. Areas of Winds west 10 to 15 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Gorgonio Temperature Statistics

September Temperature

San Bernardino Intl. Airport (2.5 miles)

  • Lowest 19 September, 2026

    57.2 °F

  • Average September

    74 °F

  • Highest 9 September, 2026

    105.8 °F

Climate (2021–2026)

San Bernardino Intl. Airport (2.5 miles)

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

  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    80.3 °F
Get WillyWeather+ to remove ads