Grantsburg Weather Forecast

    • 69
    • 87

    Rain Showers Likely

    • 68
    • 86

    Chance Thunderstorms

    • 68
    • 86

    Slight Chance Thunderstorms

    • 70
    • 90

    Slight Chance Thunderstorms

    • 74
    • 92

    Rain Showers Likely

    • 71
    • 90

    Chance Thunderstorms

    • 70
    • 88

    Chance Thunderstorms

Today 5 Jul Johnson

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 5 Jul Johnson

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the upper 60s. Northwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 30 percent.

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Grantsburg Temperature Statistics

July Temperature

Metropolis Municipal Airport (14.3 miles)

  • Lowest 2 July, 2026

    70.9 °F

  • Average July

    82 °F

  • Highest 3 July, 2026

    94.1 °F

Climate (2021–2026)

Metropolis Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    59.6 °F

  • Average High 2021–2026

    69.9 °F
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