Grantsburg Weather Forecast

    • 66
    • 80

    Chance Rain Showers

    • 65
    • 85

    Partly Sunny

    • 67
    • 88

    Slight Chance Thunderstorms

    • 69
    • 88

    Mostly Sunny

    • 71
    • 89

    Slight Chance Thunderstorms

    • 71
    • 90

    Slight Chance Thunderstorms

Today 2 Aug Johnson

Mostly cloudy with a slight chance of Showers in the Morning, then partly sunny with a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the upper 70s. North Winds 5 to 10 Mph. Gusts up to 25 Mph in the afternoon. Chance of rain 40 percent.

Tonight 2 Aug Johnson

Mostly cloudy with a 40 percent chance of Showers. Near steady temperature in the upper 60s. Northwest Winds 5 to 10 Mph.

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Grantsburg Temperature Statistics

August Temperature

Metropolis Municipal Airport (14.3 miles)

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Climate (2021–2026)

Metropolis Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    70.1 °F
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