Grand Island Weather Forecast

    • 14
    • 30

    Mostly Cloudy

    • 15
    • 22

    Snow

    • 19
    • 34

    Snow

    • 13
    • 22

    Chance Snow Showers

    • 13
    • 19

    Chance Snow Showers

    • 17
    • 25

    Chance Snow Showers

Today 31 Jan Alger

Cloudy. Scattered snow Showers this afternoon. Colder with Highs in the upper 20s. Temperature falling into the lower 20s this afternoon. North Winds 10 to 20 Mph. Chance of snow 50 percent.

Tonight 31 Jan Alger

A chance of snow Showers in the Evening, then a slight chance of snow Showers after midnight. Mostly cloudy. Lows 8 to 13 above. North Winds 10 to 20 Mph, Diminishing to 5 to 10 Mph after midnight. Chance of snow 40 percent.

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Grand Island Temperature Statistics

January Temperature

Munising - Munising Lakeshore Observation (7.5 miles)

  • Lowest 21 January, 2025

    -11.1 °F

  • Average January

    19.4 °F

  • Highest 17 January, 2025

    38.6 °F

Climate (2020–Present)

Munising - Munising Lakeshore Observation (7.5 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    44.5 °F

  • Average High 2020–2025

    52 °F
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