Decatur Island - Davis Bay Weather Forecast

    • 54
    • 63

    Decreasing Clouds

    • 53
    • 64

    Mostly Sunny

    • 53
    • 65

    Mostly Sunny

    • 52
    • 61

    Mostly Sunny

    • 51
    • 61

    Mostly Sunny

    • 51
    • 59

    Partly Sunny

Today 2 May San Juan County

Mostly cloudy in the morning then becoming sunny. Highs in the 60s to lower 70s. North wind to 10 Mph.

Tonight 2 May San Juan County

Mostly clear. Lows in the upper 40s to mid 50s. Northwest wind to 10 Mph becoming north after midnight.

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Decatur Island - Davis Bay Temperature Statistics

May Temperature

Friday Harbor Airport (9.9 miles)

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Climate (2021–Present)

Friday Harbor Airport (9.9 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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