Grass Lake Weather Forecast

    • 70
    • 92

    Chance Thunderstorms

    • 69
    • 89

    Chance Thunderstorms

    • 65
    • 89

    Chance Rain Showers

    • 63
    • 89

    Rain Showers Likely

    • 62
    • 86

    Partly Sunny

    • 62
    • 85

    Slight Chance Thunderstorms

Today 30 Jun Alpena

Partly sunny. Chance of rain Showers Early, then slight chance of light Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Southwest Winds 5 to 15 Mph. Chance of precipitation 30 percent. Heat index Readings around 107.

Tonight 30 Jun Alpena

Partly cloudy. A 20 percent chance of light Showers and Thunderstorms early. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Heat index Readings around 105.

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  • Temperature Real-Time

Grass Lake Temperature Statistics

June Temperature

Alpena, Alpena County Regional Airport (11.2 miles)

  • Lowest 1 June, 2026

    42.7 °F

  • Average June

    63.1 °F

  • Highest 4 June, 2026

    85.6 °F

Climate (2021–2026)

Alpena, Alpena County Regional Airport (11.2 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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