Island Lake Weather Forecast

    • 11
    • 28

    Chance Flurries

    • 11
    • 17

    Mostly Cloudy

    • 15
    • 27

    Mostly Cloudy

    • 10
    • 25

    Cloudy

    • 11
    • 22

    Chance Snow

    • -2
    • 22

    Partly Sunny

Today 22 Dec Barnes

Mostly cloudy. Highs 25 to 30. East Winds up to 10 Mph.

Tonight 22 Dec Barnes

Mostly cloudy. Lows 10 to 15. Southwest Winds around 10 Mph shifting to the northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

December Temperature

Jamestown, Jamestown Municipal Airport (13.7 miles)

  • Lowest 7 December, 2025

    -18 °F

  • Average December

    12.1 °F

  • Highest 16 December, 2025

    46 °F

Climate (2020–Present)

Jamestown, Jamestown Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    43.7 °F

  • Average High 2020–2025

    54.5 °F
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