Graymont Weather Forecast

    • 66
    • 91

    Chance Thunderstorms

    • 66
    • 79

    Chance Thunderstorms

    • 68
    • 84

    Rain Showers

    • 59
    • 77

    Rain Showers Likely

    • 55
    • 69

    Chance Rain Showers

    • 53
    • 68

    Slight Chance Rain Showers

    • 54
    • 71

    Partly Sunny

Today 17 Sep Livingston

Partly cloudy. Highs in the lower 70s.

Tonight 17 Sep Livingston

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Thunderstorms after midnight. A slight chance of Showers after midnight. Humid. Lows in the mid 60s. Northeast Winds around 5 Mph. Chance of precipitation 30 percent.

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Graymont Temperature Statistics

September Temperature

Pontiac Municipal Airport (8.7 miles)

  • Lowest 14 September, 2026

    48.9 °F

  • Average September

    74.5 °F

  • Highest 1 September, 2026

    95.5 °F

Climate (2021–2026)

Pontiac Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    62.6 °F
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