Decatur Shores Airport Weather Forecast

    • 45
    • 52

    Rain Likely

    • 47
    • 51

    Chance Rain

    • 48
    • 54

    Rain

    • 49
    • 53

    Rain

    • 44
    • 55

    Rain

    • 43
    • 50

    Rain

Today 11 Dec San Juan County

Mostly cloudy with a chance of rain. Highs near 50. West wind 10 to 15 Mph with Gusts to 25 Mph in the morning becoming light.

Tonight 11 Dec San Juan County

Cloudy with a chance of rain in the Evening, then cloudy with rain likely after midnight. Rainfall Amounts less than a tenth of an inch likely. Lows in the lower to mid 40s. Light wind.

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Decatur Shores Airport Temperature Statistics

December Temperature

Friday Harbor Airport (9.3 miles)

  • Lowest 1 December, 2025

    36 °F

  • Average December

    45.6 °F

  • Highest 8 December, 2025

    54 °F

Climate (2020–Present)

Friday Harbor Airport (9.3 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    59.6 °F
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