Grantsburg Weather Forecast

    • 57
    • 80

    Chance Thunderstorms

    • 56
    • 77

    Mostly Sunny

    • 62
    • 81

    Slight Chance Thunderstorms

    • 74
    • 87

    Rain Showers Likely

    • 64
    • 85

    Rain Showers

    • 62
    • 82

    Partly Sunny

Today 14 Jun Johnson

Mostly cloudy this Morning, then becoming partly sunny. A chance of Showers and Thunderstorms. Highs in the upper 70s. West Winds 5 to 10 Mph, becoming northwest with Gusts up to 25 Mph this afternoon. Chance of rain 50 percent.

Tonight 14 Jun Johnson

Mostly clear. Less humid with Lows in the upper 50s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Grantsburg Temperature Statistics

June Temperature

Metropolis Municipal Airport (14.3 miles)

  • Lowest 3 June, 2026

    52.5 °F

  • Average June

    75.7 °F

  • Highest 11 June, 2026

    90.3 °F

Climate (2021–Present)

Metropolis Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    49.1 °F

  • Average 2021–2026

    59.3 °F

  • Average High 2021–2026

    69.7 °F
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