Grantsburg Weather Forecast

    • 14
    • 34

    Snow Showers

    • 7
    • 21

    Mostly Cloudy

    • 4
    • 19

    Partly Sunny

    • 16
    • 27

    Mostly Cloudy

    • 23
    • 36

    Mostly Cloudy

    • 24
    • 39

    Chance Snow Showers

Today 29 Jan Johnson

Partly sunny this Morning, then becoming mostly cloudy. Highs in the lower 30s. East Winds around 5 Mph.

Tonight 29 Jan Johnson

Cloudy with a chance of Flurries. Cold with Lows around 13. Northeast Winds around 5 Mph.

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Grantsburg Temperature Statistics

January Temperature

Metropolis Municipal Airport (14.3 miles)

  • Lowest 12 January, 2026

    21.2 °F

  • Average January

    43.5 °F

  • Highest 8 January, 2026

    68.9 °F

Climate (2021–Present)

Metropolis Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    48.8 °F

  • Average 2021–2026

    59 °F

  • Average High 2021–2026

    69.4 °F
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