Grantsburg Weather Forecast

    • 72
    • 85

    Rain Showers

    • 74
    • 89

    Chance Thunderstorms

    • 75
    • 92

    Mostly Sunny

    • 72
    • 90

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

    • 71
    • 89

    Chance Thunderstorms

Today 8 Jun Johnson

Mostly cloudy with a chance of Showers and Thunderstorms this Morning, then partly sunny with Showers with Thunderstorms likely this afternoon. Some Thunderstorms may produce heavy rainfall. Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 80 percent.

Tonight 8 Jun Johnson

Showers and Thunderstorms likely in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Some Thunderstorms may produce heavy rainfall after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantsburg Temperature Statistics

June Temperature

Metropolis Municipal Airport (14.3 miles)

  • Lowest 3 June, 2026

    52.5 °F

  • Average June

    71.8 °F

  • Highest 6 June, 2026

    84.9 °F

Climate (2021–Present)

Metropolis Municipal Airport (14.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    59.3 °F

  • Average High 2021–2026

    69.7 °F
Get WillyWeather+ to remove ads