Thunder Bay National Marine Sanctuary Weather Forecast

    • 53
    • 61

    Rain Showers Likely

    • 53
    • 58

    Chance Rain Showers

    • 54
    • 59

    Mostly Cloudy

    • 57
    • 61

    Partly Sunny

    • 60
    • 64

    Chance Rain Showers

    • 63
    • 67

    Chance Rain Showers

Today 24 Jun Alpena

Mostly cloudy with a 50 percent chance of rain Showers. Highs in the lower 70s. Light Winds becoming southeast 5 to 10 Mph in the afternoon.

Tonight 24 Jun Alpena

Mostly cloudy with a 50 percent chance of rain Showers. Lows in the lower 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thunder Bay National Marine Sanctuary Temperature Statistics

June Temperature

Alpena, Alpena County Regional Airport (22.4 miles)

  • Lowest 1 June, 2026

    42.7 °F

  • Average June

    63.3 °F

  • Highest 4 June, 2026

    85.6 °F

Climate (2021–2026)

Alpena, Alpena County Regional Airport (22.4 miles)

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  • Average Low 2021–2026

    36.8 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    56.2 °F
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