Thunder Bay National Marine Sanctuary Weather Forecast

    • 58
    • 64

    Mostly Sunny

    • 59
    • 69

    Slight Chance Thunderstorms

    • 58
    • 64

    Mostly Sunny

    • 63
    • 66

    Partly Sunny

    • 66
    • 72

    Chance Rain Showers

    • 60
    • 71

    Chance Rain Showers

    • 59
    • 64

    Slight Chance Rain Showers

Today 1 Jul Alpena

Partly sunny. Highs around 80. Northwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 1 Jul Alpena

Clear. Lows in the upper 50s. West Winds up to 10 Mph.

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Thunder Bay National Marine Sanctuary Temperature Statistics

July Temperature

Alpena, Alpena County Regional Airport (22.4 miles)

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  • Average July

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Climate (2020–Present)

Alpena, Alpena County Regional Airport (22.4 miles)

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  • Average Low 2020–2025

    37.2 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.5 °F
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