Marine On St Croix Weather Forecast

    • 54
    • 82

    Becoming Sunny

    • 62
    • 83

    Slight Chance Thunderstorms

    • 61
    • 83

    Chance Rain Showers

    • 61
    • 82

    Chance Rain Showers

    • 59
    • 81

    Slight Chance Thunderstorms

    • 56
    • 79

    Partly Sunny

    • 56
    • 77

    Partly Sunny

Today 7 Aug Washington

Mostly cloudy. Chance of Thunderstorms early in the Afternoon, then slight chance of Showers late in the afternoon. Near steady temperature in the upper 70s. West Winds 10 to 15 Mph. Chance of precipitation 30 percent.

Tonight 7 Aug Washington

Clear. Lows in the mid 50s. Northwest Winds up to 10 Mph.

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Marine On St Croix Temperature Statistics

August Temperature

L O Simenstad Municipal Airport (8.1 miles)

  • Lowest 5 August, 2026

    56.3 °F

  • Average August

    73.4 °F

  • Highest 3 August, 2026

    86.4 °F

Climate (2021–2026)

L O Simenstad Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    56.9 °F
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