Grass Lake Weather Forecast

    • -19
    • 14

    Slight Chance Snow

    • -32
    • -7

    Cold

    • -29
    • -13

    Cold

    • -23
    • -5

    Cold

    • -22
    • -4

    Cold

    • -10
    • 4

    Cold

    • -11
    • 7

    Cold

Today 21 Jan South Beltrami

Cloudy with a 20 percent chance of light snow. Highs 10 to 15. Temperature falling through late afternoon. Northwest Winds around 15 Mph.

Tonight 21 Jan South Beltrami

Mostly cloudy with a 20 percent chance of light snow. Lows 15 to 20 below. Northwest Winds 5 to 15 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

January Temperature

Bemidji (0.6 miles)

  • Lowest 19 January, 2026

    -19.1 °F

  • Average January

    13.2 °F

  • Highest 12 January, 2026

    43.2 °F

Climate (2021–Present)

Bemidji (0.6 miles)

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  • Average Low 2021–2026

    30.4 °F

  • Average 2021–2026

    41.2 °F

  • Average High 2021–2026

    51 °F
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