Thunder Bay River State Forest Weather Forecast

    • 59
    • 80

    Mostly Sunny

    • 62
    • 82

    Rain Showers Likely

    • 63
    • 84

    Rain Showers Likely

    • 61
    • 82

    Rain Showers Likely

    • 57
    • 77

    Partly Sunny

    • 57
    • 76

    Mostly Sunny

Today 24 Jul Alpena

Mostly sunny. Highs around 80. South Winds up to 10 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 24 Jul Alpena

Mostly clear. Lows in the upper 50s. South Winds up to 10 Mph. Gusts up to 25 Mph early.

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Thunder Bay River State Forest Temperature Statistics

July Temperature

Alpena, Alpena County Regional Airport (1.2 miles)

  • Lowest 7 July, 2026

    51.1 °F

  • Average July

    71.8 °F

  • Highest 14 July, 2026

    96.7 °F

Climate (2021–2026)

Alpena, Alpena County Regional Airport (1.2 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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