Decatur Island Weather Forecast

    • 41
    • 51

    Decreasing Clouds

    • 38
    • 48

    Mostly Sunny

    • 38
    • 47

    Partly Sunny

    • 40
    • 48

    Mostly Cloudy

    • 42
    • 49

    Chance Rain

    • 41
    • 48

    Chance Rain Showers

Today 19 Nov San Juan County

Mostly sunny. Highs near 50. Northwest wind 10 to 20 Mph becoming north 10 to 15 Mph in the afternoon.

Tonight 19 Nov San Juan County

Mostly clear. Lows in the mid 30s to lower 40s. North wind 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Island Temperature Statistics

November Temperature

Friday Harbor, Friday Harbor Airport (9.3 miles)

  • Lowest 1 November, 2019

    35.1 °F
  • Average November

    47.4 °F
  • Highest 15 November, 2019

    55.9 °F

Climate (2010–Present)

Friday Harbor, Friday Harbor Airport (9.3 miles)

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  • Average Low 2010–Present

    44.2 °F
  • Average 2010–Present

    51.2 °F
  • Average High 2010–Present

    59.1 °F
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