Grantsburg Weather Forecast

    • 60
    • 78

    Isolated Thunderstorms

    • 67
    • 83

    Chance Rain Showers

    • 68
    • 82

    Chance Rain Showers

    • 70
    • 86

    Chance Rain Showers

    • 66
    • 86

    Rain Showers Likely

    • 63
    • 81

    Rain Showers Likely

    • 63
    • 86

    Chance Rain Showers

Today 11 Apr Johnson

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 11 Apr Johnson

Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 50s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantsburg Temperature Statistics

April Temperature

Metropolis Municipal Airport (14.3 miles)

  • Lowest 6 April, 2026

    35.1 °F

  • Average April

    63 °F

  • Highest 1 April, 2026

    82.9 °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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