San Juan Island - Reef Point Weather Forecast

    • 45
    • 58

    Rain

    • 41
    • 58

    Rain Showers Likely

    • 41
    • 55

    Mostly Cloudy

    • 45
    • 56

    Rain

    • 43
    • 59

    Rain Likely

    • 40
    • 55

    Chance Rain

Today 28 Oct San Juan County

Breezy. Rain likely late in the Morning, then cloudy with a chance of rain in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the mid 50s to lower 60s. East wind 10 to 15 Mph with Gusts to 30 Mph becoming southeast 15 to 25 Mph with Gusts to 45 Mph in the afternoon.

Tonight 28 Oct San Juan County

Windy. Rain likely in the Evening, then rain in the late evening and early morning. A chance of rain in the morning. Rainfall Amounts a quarter to a half inch possible. Lows in the mid to upper 40s. Southeast wind 15 to 30 Mph with Gusts to 45 Mph becoming south 10 to 20 Mph with Gusts to 35 Mph after midnight.

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San Juan Island - Reef Point Temperature Statistics

October Temperature

Friday Harbor Airport (2.5 miles)

  • Lowest 15 October, 2025

    37 °F

  • Average October

    51.2 °F

  • Highest 5 October, 2025

    64.9 °F

Climate (2020–Present)

Friday Harbor Airport (2.5 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    59.6 °F
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