Marine On St Croix Weather Forecast

    • 65
    • 86

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

    • 68
    • 91

    Sunny

    • 69
    • 94

    Mostly Sunny

    • 68
    • 95

    Mostly Sunny

    • 66
    • 91

    Slight Chance Thunderstorms

    • 65
    • 87

    Chance Rain Showers

Today 10 Jul Washington

Mostly sunny. Near steady temperature in the mid 80s. Southeast Winds up to 5 Mph.

Tonight 10 Jul Washington

Mostly clear. Lows in the mid 60s. Southeast Winds up to 5 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 5 July, 2026

    66 °F

  • Average July

    77.5 °F

  • Highest 6 July, 2026

    87.1 °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

    47.3 °F

  • Average High 2021–2026

    56.9 °F
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