Grantsburg Weather Forecast

    • 71
    • 91

    Partly Sunny

    • 71
    • 89

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 72
    • 89

    Rain Showers Likely

    • 73
    • 91

    Slight Chance Thunderstorms

    • 73
    • 92

    Slight Chance Thunderstorms

    • 73
    • 92

    Partly Sunny

Today 14 Jul Johnson

Sunny. Near steady temperature in the upper 80s. East Winds 5 to 10 Mph.

Tonight 14 Jul Johnson

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. East Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantsburg Temperature Statistics

July Temperature

Metropolis Municipal Airport (14.3 miles)

  • Lowest 9 July, 2026

    67.1 °F

  • Average July

    77.4 °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

    49.4 °F

  • Average 2021–2026

    59.6 °F

  • Average High 2021–2026

    70 °F
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