Herkimer Weather Forecast

    • 70
    • 102

    Rain Showers

    • 62
    • 83

    Chance Rain Showers

    • 64
    • 84

    Slight Chance Thunderstorms

    • 66
    • 89

    Slight Chance Thunderstorms

    • 62
    • 81

    Chance Thunderstorms

    • 62
    • 82

    Chance Rain Showers

Today 8 Sep Marshall

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs around 101. South Winds 10 to 15 Mph. Gusts up to 30 Mph this morning. Chance of rain 20 percent.

Tonight 8 Sep Marshall

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Humid with Lows in the lower 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight. Chance of rain 70 percent.

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Herkimer Temperature Statistics

September Temperature

Marysville Municipal Airport (4.3 miles)

  • Lowest 6 September, 2026

    71.6 °F

  • Average September

    84.1 °F

  • Highest 1 September, 2026

    96.8 °F

Climate (2021–2026)

Marysville Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    66.6 °F
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