St George Weather Forecast

    • 66
    • 93

    Sunny

    • 67
    • 95

    Sunny

    • 67
    • 97

    Hot

    • 67
    • 98

    Hot

    • 70
    • 96

    Chance Rain Showers

    • 68
    • 87

    Chance Thunderstorms

Today 14 Sep Lower Washington County

Sunny. Highs in the lower 90s.

Tonight 14 Sep Lower Washington County

Mostly clear. Lows in the mid 60s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St George Temperature Statistics

September Temperature

St George Municipal Airport (5 miles)

  • Lowest 12 September, 2025

    63 °F

  • Average September

    82 °F

  • Highest 1 September, 2025

    102 °F

Climate (2020–Present)

St George Municipal Airport (5 miles)

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

  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    64.3 °F

  • Average High 2020–2025

    76.5 °F
Get WillyWeather+ to remove ads