Cactus Islands Weather Forecast

    • 39
    • 44

    Mostly Cloudy

    • 40
    • 43

    Rain

    • 37
    • 46

    Rain

    • 35
    • 42

    Rain/Snow

    • 30
    • 39

    Rain/Snow Likely

    • 27
    • 35

    Chance Snow Showers

Today 29 Jan San Juan County

Partly sunny. Patchy fog late in the morning. Highs in the 40s. Light wind.

Tonight 29 Jan San Juan County

Partly cloudy in the Evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the 30s. Light wind.

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  • Temperature Forecast NOAA

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Cactus Islands Temperature Statistics

January Temperature

Friday Harbor Airport (9.9 miles)

  • Lowest 20 January, 2025

    31.7 °F

  • Average January

    43.6 °F

  • Highest 16 January, 2025

    58.6 °F

Climate (2020–Present)

Friday Harbor Airport (9.9 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    59.1 °F
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