Herkimer Weather Forecast

    • 66
    • 87

    Rain Showers Likely

    • 64
    • 81

    Chance Rain Showers

    • 65
    • 83

    Mostly Sunny

    • 66
    • 87

    Slight Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

    • 65
    • 85

    Slight Chance Thunderstorms

Today 18 Aug Marshall

Mostly sunny. A chance of Showers and Thunderstorms, mainly this morning. Highs in the upper 80s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 18 Aug Marshall

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Humid with Lows in the mid 60s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herkimer Temperature Statistics

August Temperature

Marysville Municipal Airport (4.3 miles)

  • Lowest 2 August, 2026

    59 °F

  • Average August

    77.1 °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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