Brown Island Weather Forecast

    • 42
    • 50

    Rain

    • 39
    • 49

    Rain

    • 39
    • 47

    Chance Rain

    • 41
    • 49

    Rain

    • 39
    • 49

    Rain

    • 36
    • 47

    Chance Rain/Snow

    • 35
    • 44

    Slight Chance Rain/Snow

Today 22 Feb San Juan County

Windy. Rain at Times in the Morning, then rain likely in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs near 50. Southeast wind 15 to 30 Mph with Gusts to 50 Mph.

Tonight 22 Feb San Juan County

Rain at Times in the Evening, then rain likely late in the evening. Rain at Times after midnight. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the upper 30s to mid 40s. Southeast wind 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brown Island Temperature Statistics

February Temperature

Friday Harbor Airport (1.2 miles)

  • Lowest 19 February, 2026

    26.1 °F

  • Average February

    43 °F

  • Highest 4 February, 2026

    54 °F

Climate (2021–Present)

Friday Harbor Airport (1.2 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.7 °F
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