San Juan Island - Reef Point Weather Forecast

    • 46
    • 54

    Rain

    • 46
    • 54

    Rain

    • 46
    • 55

    Rain

    • 40
    • 55

    Rain

    • 38
    • 51

    Chance Rain

    • 38
    • 50

    Chance Rain

    • 40
    • 51

    Rain Likely

Today 17 Mar San Juan County

Rain at Times in the Morning, then a chance of rain in the late morning and early afternoon. Rain at Times late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the lower to mid 50s. Southeast wind 10 to 20 Mph.

Tonight 17 Mar San Juan County

Cloudy with a chance of rain in the Evening, then rain at Times after midnight. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the mid to upper 40s. Southeast wind 10 to 15 Mph becoming south after midnight.

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  • Temperature Real-Time

San Juan Island - Reef Point Temperature Statistics

March Temperature

Friday Harbor Airport (2.5 miles)

  • Lowest 10 March, 2026

    30 °F

  • Average March

    43.4 °F

  • Highest 2 March, 2026

    55 °F

Climate (2021–Present)

Friday Harbor Airport (2.5 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.6 °F
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