St Croix Island Weather Forecast

    • 52
    • 66

    Partly Sunny

    • 55
    • 64

    Rain Showers Likely

    • 44
    • 65

    Slight Chance Rain Showers

    • 43
    • 59

    Partly Sunny

    • 46
    • 60

    Chance Rain Showers

    • 46
    • 59

    Chance Rain Showers

Today 16 Sep Coastal Washington

Partly sunny in the Morning, then clearing. Patchy dense fog in the morning with visibility one quarter mile or less at Times. Highs in the mid 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 16 Sep Coastal Washington

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Lows in the lower 50s. Southwest Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Croix Island Temperature Statistics

September Temperature

Houlton, Houlton International Airport (75.2 miles)

  • Lowest 9 September, 2026

    31.6 °F

  • Average September

    57.1 °F

  • Highest 10 September, 2026

    77.6 °F

Climate (2021–2026)

Houlton, Houlton International Airport (75.2 miles)

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  • Average Low 2021–2026

    32.9 °F

  • Average 2021–2026

    43.5 °F

  • Average High 2021–2026

    53.6 °F
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