Fairmont Weather Forecast

    • 59
    • 68

    Rain Showers

    • 60
    • 68

    Rain Showers

    • 56
    • 66

    Chance Rain Showers

    • 52
    • 63

    Chance Rain Showers

    • 49
    • 58

    Chance Rain Showers

    • 48
    • 62

    Slight Chance Rain Showers

    • 53
    • 65

    Partly Sunny

Today 17 Sep Martin

Mostly cloudy. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 17 Sep Martin

Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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Fairmont Temperature Statistics

September Temperature

Fairmont, Fairmont Municipal Airport (1.9 miles)

  • Lowest 13 September, 2026

    51.1 °F

  • Average September

    70 °F

  • Highest 4 September, 2026

    91 °F

Climate (2021–2026)

Fairmont, Fairmont Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    57.5 °F
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