Grantsburg Weather Forecast

    • 61
    • 82

    Increasing Clouds

    • 66
    • 83

    Partly Sunny

    • 70
    • 86

    Thunderstorms Likely

    • 72
    • 86

    Rain Showers Likely

    • 73
    • 88

    Slight Chance Thunderstorms

    • 75
    • 92

    Mostly Sunny

Today 23 Jun Johnson

Sunny. Highs in the lower 80s. North Winds around 5 Mph.

Tonight 23 Jun Johnson

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. Calm Winds.

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  • Temperature Real-Time

Grantsburg Temperature Statistics

June Temperature

Metropolis Municipal Airport (14.3 miles)

  • Lowest 3 June, 2026

    52.5 °F

  • Average June

    74.6 °F

  • Highest 11 June, 2026

    90.3 °F

Climate (2021–2026)

Metropolis Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    49.2 °F

  • Average 2021–2026

    59.4 °F

  • Average High 2021–2026

    69.8 °F
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