Merrill Weather Forecast

    • 41
    • 64

    Decreasing Clouds

    • 48
    • 61

    Rain Showers

    • 49
    • 66

    Chance Rain Showers

    • 47
    • 65

    Chance Rain Showers

    • 45
    • 65

    Chance Rain Showers

    • 45
    • 67

    Chance Rain Showers

    • 48
    • 71

    Chance Rain Showers

Today 22 May Plymouth

Mostly cloudy. Highs in the lower 60s. North Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 22 May Plymouth

Partly cloudy. Lows in the lower 40s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrill Temperature Statistics

May Temperature

Le Mars Municipal Airport (4.3 miles)

  • Lowest 3 May, 2025

    35.6 °F

  • Average May

    63.3 °F

  • Highest 11 May, 2025

    89.6 °F

Climate (2020–Present)

Le Mars Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    59.9 °F
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