Herkimer Weather Forecast

    • 59
    • 88

    Mostly Sunny

    • 59
    • 86

    Partly Sunny

    • 62
    • 83

    Chance Thunderstorms

    • 62
    • 80

    Rain Showers Likely

    • 61
    • 80

    Chance Thunderstorms

    • 59
    • 81

    Slight Chance Thunderstorms

Today 25 May Marshall

Sunny. Highs in the upper 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 May Marshall

Mostly clear. Lows in the upper 50s. South Winds 10 to 15 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Herkimer Temperature Statistics

May Temperature

Marysville Municipal Airport (4.3 miles)

  • Lowest 2 May, 2026

    30.2 °F
  • Average May

    63.5 °F
  • Highest 15 May, 2026

    91.4 °F

Climate (2021–Present)

Marysville Municipal Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    43.7 °F
  • Average 2021–2026

    55 °F
  • Average High 2021–2026

    66.6 °F
Get WillyWeather+ to remove ads