Grantsburg Weather Forecast

    • 74
    • 89

    Rain Showers Likely

    • 64
    • 87

    Chance Rain Showers

    • 62
    • 85

    Partly Sunny

    • 67
    • 87

    Rain Showers Likely

    • 71
    • 86

    Rain Showers

    • 65
    • 84

    Chance Thunderstorms

Today 17 Jun Johnson

Sunny. Highs in the upper 80s. South Winds 15 to 20 Mph. Gusts up to 30 Mph, increasing to 40 Mph this afternoon.

Tonight 17 Jun Johnson

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Breezy with Lows in the mid 70s. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph, Diminishing to 10 to 15 Mph with Gusts up to 30 Mph after midnight. Chance of rain 50 percent.

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Grantsburg Temperature Statistics

June Temperature

Metropolis Municipal Airport (14.3 miles)

  • Lowest 3 June, 2026

    52.5 °F

  • Average June

    74.8 °F

  • Highest 11 June, 2026

    90.3 °F

Climate (2021–2026)

Metropolis Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    49.1 °F

  • Average 2021–2026

    59.4 °F

  • Average High 2021–2026

    69.8 °F
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