Marine On St Croix Weather Forecast

    • 53
    • 86

    Mostly Sunny

    • 53
    • 80

    Rain Showers

    • 58
    • 75

    Rain Showers

    • 52
    • 77

    Rain Showers

    • 40
    • 65

    Slight Chance Rain Showers

    • 41
    • 60

    Partly Sunny

Today 15 May Washington

Sunny. Highs in the mid 80s. Southwest Winds 5 to 15 Mph.

Tonight 15 May Washington

Partly cloudy in the evening then clearing. Lows in the mid 50s. West Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marine On St Croix Temperature Statistics

May Temperature

L O Simenstad Municipal Airport (8.1 miles)

  • Lowest 2 May, 2026

    28.6 °F

  • Average May

    50.6 °F

  • Highest 12 May, 2026

    70.7 °F

Climate (2021–Present)

L O Simenstad Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    37 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    57 °F
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