Neptune Weather Forecast

    • 54
    • 76

    Slight Chance Thunderstorms

    • 58
    • 80

    Rain Showers Likely

    • 54
    • 70

    Chance Rain Showers

    • 55
    • 74

    Partly Sunny

    • 54
    • 76

    Slight Chance Thunderstorms

    • 55
    • 78

    Chance Thunderstorms

Today 19 Jun Plymouth

Partly sunny this Morning, then mostly cloudy with a chance of Showers this afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph, becoming northwest with Gusts up to 20 Mph this afternoon. Chance of rain 50 percent.

Tonight 19 Jun Plymouth

Partly cloudy. Lows in the lower 50s. Southwest Winds 5 to 10 Mph, becoming north after midnight.

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Neptune Temperature Statistics

June Temperature

Le Mars Municipal Airport (7.5 miles)

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  • Average June

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Climate (2021–2026)

Le Mars Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    59.8 °F
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