Hamburg Weather Forecast

    • 49
    • 61

    Rain Showers Likely

    • 42
    • 65

    Mostly Cloudy

    • 37
    • 61

    Mostly Cloudy

    • 40
    • 62

    Mostly Sunny

    • 43
    • 65

    Patchy Fog

    • 46
    • 67

    Partly Sunny

    • 48
    • 70

    Partly Sunny

Today 19 Sep Marathon

Showers likely. Nearly steady temperature around 60. East wind 10 to 15 Mph. Chance of rain 70 percent.

Tonight 19 Sep Marathon

Cloudy. A chance of Showers in the evening. Lows around 50. Northeast wind 5 to 10 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hamburg Temperature Statistics

September Temperature

Merrill, Merrill Municipal Airport (11.2 miles)

  • Lowest 14 September, 2026

    35.1 °F

  • Average September

    67.7 °F

  • Highest 1 September, 2026

    92.3 °F

Climate (2021–2026)

Merrill, Merrill Municipal Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    31.5 °F

  • Average 2021–2026

    42.9 °F

  • Average High 2021–2026

    52.9 °F
Get WillyWeather+ to remove ads