Grantsburg Weather Forecast

    • 65
    • 83

    Decreasing Clouds

    • 66
    • 83

    Chance Rain Showers

    • 64
    • 81

    Rain Showers

    • 62
    • 82

    Chance Thunderstorms

    • 41
    • 73

    Rain Showers Likely

    • 36
    • 57

    Slight Chance Rain Showers

Today 31 Mar Johnson

Mostly sunny. Near steady temperature in the lower 80s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 31 Mar Johnson

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 60s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantsburg Temperature Statistics

March Temperature

Metropolis Municipal Airport (14.3 miles)

  • Lowest 28 March, 2026

    35.8 °F

  • Average March

    60.4 °F

  • Highest 22 March, 2026

    86 °F

Climate (2021–Present)

Metropolis Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    48.7 °F

  • Average 2021–2026

    59 °F

  • Average High 2021–2026

    69.4 °F
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