Little Chicago Weather Forecast

    • 40
    • 61

    Mostly Cloudy

    • 38
    • 65

    Mostly Sunny

    • 40
    • 66

    Mostly Sunny

    • 43
    • 67

    Areas Fog

    • 44
    • 69

    Patchy Fog

    • 48
    • 70

    Slight Chance Rain Showers

Today 21 Sep Marathon

Mostly cloudy. Highs in the lower 60s. East wind 10 to 15 Mph.

Tonight 21 Sep Marathon

Mostly cloudy. Lows in the lower 40s. East wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Little Chicago Temperature Statistics

September Temperature

Merrill, Merrill Municipal Airport (11.8 miles)

  • Lowest 14 September, 2026

    35.1 °F

  • Average September

    67.2 °F

  • Highest 1 September, 2026

    92.3 °F

Climate (2021–2026)

Merrill, Merrill Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    31.5 °F

  • Average 2021–2026

    42.9 °F

  • Average High 2021–2026

    52.9 °F
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