Appleton Weather Forecast

    • 53
    • 67

    Rain Showers

    • 53
    • 72

    Slight Chance Thunderstorms

    • 50
    • 74

    Mostly Sunny

    • 53
    • 77

    Sunny

    • 53
    • 79

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 53
    • 79

    Sunny

Today 28 Sep Grand Valley

Showers with a slight chance of Thunderstorms. Not as warm. Highs in the 60s.

Tonight 28 Sep Grand Valley

Cloudy. Showers likely with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the 50s. Chance of rain 60 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Appleton Temperature Statistics

September Temperature

Grand Junction Regional Airport (3.7 miles)

  • Lowest 20 September, 2026

    50.6 °F

  • Average September

    71.9 °F

  • Highest 4 September, 2026

    91.7 °F

Climate (2021–2026)

Grand Junction Regional Airport (3.7 miles)

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

  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    56.4 °F

  • Average High 2021–2026

    69.2 °F
Get WillyWeather+ to remove ads