Grantsburg Weather Forecast

    • 51
    • 81

    Increasing Clouds

    • 56
    • 81

    Mostly Cloudy

    • 55
    • 75

    Rain Showers Likely

    • 54
    • 68

    Chance Rain Showers

    • 58
    • 72

    Chance Rain Showers

    • 56
    • 75

    Rain Showers Likely

    • 49
    • 71

    Rain Showers Likely

Today 29 Oct Johnson

Sunny. Near steady temperature in the upper 70s. Southwest Winds around 5 Mph.

Tonight 29 Oct Johnson

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantsburg Temperature Statistics

October Temperature

Metropolis Municipal Airport (14.3 miles)

  • Lowest 18 October, 2026

    35.4 °F

  • Average October

    62.6 °F

  • Highest 1 October, 2026

    92.1 °F

Climate (2021–2026)

Metropolis Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    49.6 °F

  • Average 2021–2026

    59.9 °F

  • Average High 2021–2026

    70.5 °F
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