Herkimer Weather Forecast

    • 71
    • 86

    Partly Sunny

    • 72
    • 94

    Partly Sunny

    • 63
    • 89

    Rain Showers Likely

    • 59
    • 69

    Chance Thunderstorms

    • 55
    • 70

    Slight Chance Thunderstorms

    • 56
    • 70

    Slight Chance Thunderstorms

Today 17 Sep Marshall

Mostly sunny with a slight chance of Showers with isolated Thunderstorms. Highs in the mid 80s. East Winds around 5 Mph. Chance of rain 20 percent.

Tonight 17 Sep Marshall

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

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Herkimer Temperature Statistics

September Temperature

Marysville Municipal Airport (4.3 miles)

  • Lowest 12 September, 2026

    59 °F

  • Average September

    78.7 °F

  • Highest 8 September, 2026

    100.4 °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

    66.7 °F
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