San Juan Island - Reef Point Weather Forecast

    • 51
    • 66

    Decreasing Clouds

    • 50
    • 69

    Mostly Sunny

    • 49
    • 70

    Mostly Sunny

    • 48
    • 66

    Mostly Sunny

    • 47
    • 65

    Mostly Sunny

    • 47
    • 64

    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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San Juan Island - Reef Point Temperature Statistics

May Temperature

Friday Harbor Airport (2.5 miles)

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  • Average May

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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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