Fairmont Weather Forecast

    • 69
    • 87

    Thunderstorms Likely

    • 67
    • 80

    Chance Thunderstorms

    • 69
    • 82

    Rain Showers

    • 66
    • 83

    Rain Showers

    • 66
    • 83

    Chance Rain Showers

    • 69
    • 86

    Chance Thunderstorms

Today 17 Jul Marion

Partly sunny. Showers and Thunderstorms likely this afternoon. Highs in the mid 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent. Heat index Values in the mid 90s.

Tonight 17 Jul Marion

Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog after midnight. Humid with Lows in the upper 60s. West Winds 5 to 10 Mph. Chance of rain 60 percent.

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Fairmont Temperature Statistics

July Temperature

Clarksburg, Clarksburg Benedum Airport (13 miles)

  • Lowest 5 July, 2025

    61.6 °F

  • Average July

    77.6 °F

  • Highest 6 July, 2025

    93.7 °F

Climate (2020–Present)

Clarksburg, Clarksburg Benedum Airport (13 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    66.1 °F
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