Herkimer Weather Forecast

    • 68
    • 90

    Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

    • 66
    • 83

    Chance Thunderstorms

    • 69
    • 91

    Partly Sunny

Today 15 Aug Marshall

Mostly cloudy with a slight chance of Showers and Thunderstorms this Morning, then partly sunny this afternoon. Highs around 90. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 15 Aug Marshall

Partly cloudy in the Evening, then becoming cloudy. A chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Humid with Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 70 percent.

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Herkimer Temperature Statistics

August Temperature

Marysville Municipal Airport (4.3 miles)

  • Lowest 2 August, 2026

    59 °F

  • Average August

    76.5 °F

  • Highest 9 August, 2026

    95 °F

Climate (2021–2026)

Marysville Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    66.6 °F
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