Henry Island - Nelson Bay Weather Forecast

    • 38
    • 42

    Mostly Cloudy

    • 42
    • 46

    Rain

    • 42
    • 49

    Rain

    • 40
    • 48

    Rain

    • 40
    • 47

    Chance Rain

    • 40
    • 48

    Rain

Today 20 Feb San Juan County

Mostly cloudy. Highs in the lower to mid 40s. Southeast wind to 10 Mph.

Tonight 20 Feb San Juan County

Cloudy. Lows in the mid 30s to lower 40s. Southeast wind around 10 Mph becoming east after midnight.

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Henry Island - Nelson Bay Temperature Statistics

February Temperature

Friday Harbor Airport (8.7 miles)

  • Lowest 18 February, 2026

    33.1 °F

  • Average February

    43.9 °F

  • Highest 4 February, 2026

    54 °F

Climate (2021–Present)

Friday Harbor Airport (8.7 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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