Marine On St Croix Weather Forecast

    • 66
    • 80

    Mostly Cloudy

    • 71
    • 94

    Partly Sunny

    • 70
    • 95

    Rain Showers Likely

    • 67
    • 94

    Mostly Sunny

    • 66
    • 91

    Mostly Sunny

    • 67
    • 92

    Partly Sunny

    • 67
    • 92

    Chance Rain Showers

Today 24 Jul Washington

Partly sunny. Near steady temperature in the lower 80s. South Winds 10 to 15 Mph.

Tonight 24 Jul Washington

Increasing Clouds. Lows in the upper 60s. South Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marine On St Croix Temperature Statistics

July Temperature

L O Simenstad Municipal Airport (8.1 miles)

  • Lowest 22 July, 2026

    53.1 °F

  • Average July

    78.2 °F

  • Highest 17 July, 2026

    94.8 °F

Climate (2021–2026)

L O Simenstad Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    56.9 °F
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