Green Mountain Weather Forecast

    • 41
    • 63

    Slight Chance Thunderstorms

    • 42
    • 65

    Rain Showers

    • 39
    • 58

    Rain Showers

    • 40
    • 59

    Rain Showers

    • 39
    • 59

    Rain Showers Likely

    • 36
    • 59

    Rain Showers Likely

Today 12 Sep Gore and Elk Mountains/Central Mountain Valleys

Mostly sunny. Highs 65 to 75. West Winds 10 to 15 Mph in the afternoon. Gusts up to 25 Mph.

Tonight 12 Sep Gore and Elk Mountains/Central Mountain Valleys

Mostly clear. Lows in the 40s. Gusts up to 20 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Green Mountain Temperature Statistics

September Temperature

Aspen-Pitkin County Airport (14.3 miles)

  • Lowest 10 September, 2026

    41 °F

  • Average September

    63.7 °F

  • Highest 6 September, 2026

    84.7 °F

Climate (2021–2026)

Aspen-Pitkin County Airport (14.3 miles)

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

  • Average Low 2021–2026

    29.8 °F

  • Average 2021–2026

    43.7 °F

  • Average High 2021–2026

    57.9 °F
Get WillyWeather+ to remove ads