Fairmont Weather Forecast

    • 67
    • 91

    Partly Sunny

    • 66
    • 90

    Slight Chance Thunderstorms

    • 65
    • 89

    Mostly Sunny

    • 64
    • 90

    Mostly Cloudy

    • 60
    • 82

    Chance Thunderstorms

    • 56
    • 76

    Chance Rain Showers

Today 13 Sep Martin

Mostly sunny. Highs in the lower 90s. South Winds up to 10 Mph.

Tonight 13 Sep Martin

Increasing Clouds. Lows in the upper 60s. South Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairmont Temperature Statistics

September Temperature

Fairmont, Fairmont Municipal Airport (1.9 miles)

  • Lowest 7 September, 2025

    41 °F

  • Average September

    59.9 °F

  • Highest 8 September, 2025

    78.1 °F

Climate (2020–Present)

Fairmont, Fairmont Municipal Airport (1.9 miles)

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

  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57.1 °F
Get WillyWeather+ to remove ads