Herkimer Weather Forecast

    • 72
    • 93

    Mostly Sunny

    • 74
    • 94

    Hot

    • 78
    • 99

    Hot

    • 66
    • 93

    Partly Sunny

    • 65
    • 87

    Slight Chance Thunderstorms

    • 67
    • 85

    Partly Sunny

Today 18 Jul Marshall

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature around 90. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Jul Marshall

Partly cloudy in the Evening, then becoming mostly clear. Humid with Lows in the lower 70s. Southeast Winds around 5 Mph.

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Herkimer Temperature Statistics

July Temperature

Marysville Municipal Airport (4.3 miles)

  • Lowest 5 July, 2026

    62.6 °F

  • Average July

    77.3 °F

  • Highest 2 July, 2026

    91.4 °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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