Grass Lake Weather Forecast

    • 26
    • 36

    Rain Showers

    • 28
    • 33

    Wintry Mix Likely

    • 32
    • 45

    Wintry Mix

    • 32
    • 45

    Chance Rain Showers

    • 32
    • 45

    Rain Showers Likely

    • 28
    • 39

    Slight Chance Rain Showers

Today 31 Mar Alpena

Mostly cloudy. Chance of rain Showers Early, then rain Showers and slight chance of Thunderstorms in the afternoon. Highs in the upper 30s. East Winds 5 to 10 Mph. Gusts up to 20 Mph early.

Tonight 31 Mar Alpena

Mostly cloudy with a 50 percent chance of rain Showers. Lows in the mid 30s. East Winds 5 to 10 Mph with Gusts to around 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

March Temperature

Alpena, Alpena County Regional Airport (11.2 miles)

  • Lowest 2 March, 2026

    -5.4 °F

  • Average March

    29.1 °F

  • Highest 9 March, 2026

    69.7 °F

Climate (2021–Present)

Alpena, Alpena County Regional Airport (11.2 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    56.3 °F
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