Friday Harbor SPB Weather Forecast

    • 47
    • 61

    Rain Likely

    • 48
    • 62

    Rain Likely

    • 47
    • 65

    Rain Likely

    • 47
    • 65

    Partly Sunny

    • 47
    • 64

    Chance Rain

    • 46
    • 66

    Partly Sunny

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    • 66

    Partly Sunny

Today 15 May San Juan County

Mostly cloudy in the Morning, then a chance of rain in the afternoon. Highs in the mid 50s to lower 60s. Southwest wind 10 to 15 Mph becoming south in the afternoon.

Tonight 15 May San Juan County

Cloudy. A chance of rain in the Evening, then a slight chance of rain after midnight. A chance of rain late in the night. Lows in the 40s. South wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Friday Harbor SPB Temperature Statistics

May Temperature

Friday Harbor Airport (1.2 miles)

  • Lowest 4 May, 2025

    38.6 °F

  • Average May

    59.4 °F

  • Highest 6 May, 2025

    85.6 °F

Climate (2020–Present)

Friday Harbor Airport (1.2 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    59.4 °F
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