Thunder Bay River State Forest Weather Forecast

    • 70
    • 94

    Slight Chance Rain Showers

    • 57
    • 81

    Rain Showers

    • 54
    • 77

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 59
    • 80

    Partly Sunny

    • 59
    • 81

    Mostly Sunny

    • 62
    • 83

    Chance Rain Showers

Today 5 Jul Alpena

Partly sunny with a 20 percent chance of light rain Showers. Highs in the mid 90s. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph. Heat index Readings around 98.

Tonight 5 Jul Alpena

Partly cloudy early then becoming mostly cloudy. Isolated light Showers and Thunderstorms. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph early. Chance of precipitation 20 percent.

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  • Temperature Real-Time

Thunder Bay River State Forest Temperature Statistics

July Temperature

Alpena, Alpena County Regional Airport (1.2 miles)

  • Lowest 3 July, 2025

    55.9 °F

  • Average July

    70.6 °F

  • Highest 2 July, 2025

    84.9 °F

Climate (2020–Present)

Alpena, Alpena County Regional Airport (1.2 miles)

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  • Average Low 2020–2025

    37.2 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.4 °F
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