Turn Island Weather Forecast

    • 35
    • 45

    Chance Rain/Snow

    • 36
    • 47

    Chance Rain/Snow

    • 37
    • 45

    Rain

    • 43
    • 52

    Rain

    • 45
    • 54

    Rain

    • 44
    • 56

    Rain

Today 13 Mar San Juan County

Mostly cloudy. A chance of rain in the morning. A slight chance of snow in the morning. A slight chance of rain in the late morning and early afternoon. Snow level near 1000 feet. Highs in the lower to mid 40s. Light wind.

Tonight 13 Mar San Juan County

Mostly cloudy with a chance of rain and snow. Snow level near 1000 feet. Lows in the 30s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Turn Island Temperature Statistics

March Temperature

Friday Harbor Airport (2.5 miles)

  • Lowest 10 March, 2026

    30 °F

  • Average March

    44.9 °F

  • Highest 2 March, 2026

    55 °F

Climate (2021–Present)

Friday Harbor Airport (2.5 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.7 °F
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