Grass Lake Weather Forecast

    • 47
    • 74

    Gradual Clearing

    • 51
    • 78

    Chance Rain Showers

    • 43
    • 72

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

    • 55
    • 79

    Partly Sunny

    • 53
    • 79

    Slight Chance Thunderstorms

Today 16 Aug Central St. Louis

Mostly cloudy late this Morning, then becoming mostly sunny. A chance of Sprinkles late this morning. Highs in the mid 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 16 Aug Central St. Louis

Mostly clear. Areas of fog after midnight. Lows in the upper 40s. Northwest Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

August Temperature

Chisholm-Hibbing Airport (2.5 miles)

  • Lowest 5 August, 2026

    38.6 °F

  • Average August

    63.9 °F

  • Highest 1 August, 2026

    82.7 °F

Climate (2021–2026)

Chisholm-Hibbing Airport (2.5 miles)

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  • Average Low 2021–2026

    28 °F

  • Average 2021–2026

    39.7 °F

  • Average High 2021–2026

    50.8 °F
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