Thunder Bay Weather Forecast

    • 33
    • 38

    Chance Snow Showers

    • 25
    • 39

    Chance Snow Showers

    • 28
    • 32

    Snow Likely

    • 20
    • 32

    Mostly Cloudy

    • 18
    • 23

    Mostly Cloudy

    • 21
    • 26

    Mostly Cloudy

    • 28
    • 32

    Mostly Cloudy

Today 17 Dec Alpena

Mostly cloudy. A 20 percent chance of light rain Showers and snow Showers early. Highs in the upper 30s. West Winds 5 to 15 Mph.

Tonight 17 Dec Alpena

Mostly cloudy. Scattered snow Showers after midnight. Lows in the upper 20s. West Winds up to 10 Mph. Gusts up to 20 Mph early. Chance of snow 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thunder Bay Temperature Statistics

December Temperature

Alpena, Alpena County Regional Airport (13 miles)

  • Lowest 14 December, 2024

    1.9 °F

  • Average December

    28.5 °F

  • Highest 9 December, 2024

    44.7 °F

Climate (2019–Present)

Alpena, Alpena County Regional Airport (13 miles)

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  • Average Low 2019–2024

    37.3 °F

  • Average 2019–2024

    46.9 °F

  • Average High 2019–2024

    56.4 °F
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