Grass Lake Weather Forecast

    • 37
    • 55

    Slight Chance Rain

    • 34
    • 50

    Rain

    • 31
    • 43

    Rain Likely

    • 27
    • 45

    Partly Sunny

    • 29
    • 48

    Partly Sunny

    • 34
    • 53

    Partly Sunny

    • 39
    • 55

    Partly Sunny

Today 19 Oct South Beltrami

Sunny. Highs in the mid 50s. West Winds around 5 Mph.

Tonight 19 Oct South Beltrami

Partly cloudy this Evening, then cloudy with a slight chance of light rain after midnight. Lows 35 to 40. Temperature rising overnight. Light and variable Winds becoming southeast around 5 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

October Temperature

Bemidji (0.6 miles)

  • Lowest 8 October, 2025

    23.5 °F

  • Average October

    54.3 °F

  • Highest 4 October, 2025

    84.6 °F

Climate (2020–Present)

Bemidji (0.6 miles)

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  • Average Low 2020–2025

    30.5 °F

  • Average 2020–2025

    41.3 °F

  • Average High 2020–2025

    51.1 °F
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