Neptune Weather Forecast

    • 27
    • 49

    Increasing Clouds

    • 29
    • 48

    Breezy

    • 19
    • 51

    Chance Snow

    • 10
    • 31

    Mostly Cloudy

    • 15
    • 29

    Cloudy

    • 11
    • 31

    Chance Snow

Today 31 Jan Plymouth

Sunny, cooler with Highs in the upper 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 31 Jan Plymouth

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the mid 20s. Temperature rising to around 30 after midnight. East Winds 5 to 10 Mph, increasing to southeast 15 to 20 Mph with Gusts up to 30 Mph after midnight.

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Neptune Temperature Statistics

January Temperature

Le Mars Municipal Airport (7.5 miles)

  • Lowest 20 January, 2025

    -16.6 °F

  • Average January

    17.2 °F

  • Highest 28 January, 2025

    59 °F

Climate (2020–Present)

Le Mars Municipal Airport (7.5 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    59.6 °F
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