Marine On St Croix Weather Forecast

    • 29
    • 67

    Rain Showers

    • 29
    • 44

    Partly Sunny

    • 28
    • 48

    Mostly Sunny

    • 44
    • 62

    Mostly Sunny

    • 42
    • 70

    Sunny

    • 49
    • 71

    Partly Sunny

Today 17 Apr Washington

Cooler. Increasing Clouds. Rain Showers likely in the morning. Chance of Thunderstorms. Rain Showers in the afternoon. Highs in the upper 60s. South Winds 10 to 15 Mph shifting to the west 15 to 20 Mph in the afternoon. Chance of precipitation 90 percent.

Tonight 17 Apr Washington

Much Colder. Decreasing Clouds. Lows in the upper 20s. Northwest Winds 15 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marine On St Croix Temperature Statistics

April Temperature

L O Simenstad Municipal Airport (8.1 miles)

  • Lowest 7 April, 2026

    15.8 °F

  • Average April

    41.3 °F

  • Highest 12 April, 2026

    81 °F

Climate (2021–Present)

L O Simenstad Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    56.9 °F
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