Henderson Lake Weather Forecast

    • 43
    • 51

    Rain Showers

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    • 54

    Rain Showers

    • 43
    • 51

    Rain Showers

    • 39
    • 50

    Chance Rain Showers

    • 38
    • 48

    Chance Rain Showers

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    • 48

    Slight Chance Rain Showers

Today 21 Nov San Juan County

Mostly cloudy. A slight chance of Showers in the morning. A chance of Showers early in the Afternoon, then Showers likely late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs near 50. Southeast wind 10 to 15 Mph becoming east in the afternoon.

Tonight 21 Nov San Juan County

Showers likely in the Evening, then Showers after midnight. Rainfall Amounts less than a tenth of an inch likely. Lows in the lower 40s. East wind around 10 Mph becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Henderson Lake Temperature Statistics

November Temperature

Friday Harbor Airport (9.3 miles)

  • Lowest 15 November, 2024

    36.6 °F

  • Average November

    50 °F

  • Highest 7 November, 2024

    58.6 °F

Climate (2019–Present)

Friday Harbor Airport (9.3 miles)

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  • Average Low 2019–2024

    44.1 °F

  • Average 2019–2024

    51.3 °F

  • Average High 2019–2024

    59 °F
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