Lopez Island - Humphrey Head Weather Forecast

    • 40
    • 48

    Mostly Sunny

    • 39
    • 47

    Mostly Sunny

    • 38
    • 47

    Mostly Sunny

    • 38
    • 46

    Partly Sunny

    • 38
    • 45

    Mostly Cloudy

    • 37
    • 44

    Mostly Cloudy

    • 37
    • 44

    Slight Chance Rain/Snow

Today 16 Jan San Juan County

Sunny. Highs near 50. Light wind.

Tonight 16 Jan San Juan County

Mostly clear. Lows near 40. Light wind.

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Lopez Island - Humphrey Head Temperature Statistics

January Temperature

Friday Harbor Airport (7.5 miles)

  • Lowest 8 January, 2026

    33.1 °F

  • Average January

    45.1 °F

  • Highest 13 January, 2026

    53.1 °F

Climate (2021–Present)

Friday Harbor Airport (7.5 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    59.6 °F
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