Grantsburg Weather Forecast

    • 48
    • 66

    Increasing Clouds

    • 52
    • 64

    Chance Rain Showers

    • 52
    • 70

    Rain Showers Likely

    • 52
    • 65

    Rain Showers Likely

    • 51
    • 68

    Mostly Cloudy

    • 54
    • 70

    Rain Showers Likely

Today 23 Sep Burnett

Sunny. Near steady temperature in the mid 60s. Southeast Winds 5 to 10 Mph.

Tonight 23 Sep Burnett

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows in the upper 40s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantsburg Temperature Statistics

September Temperature

Rush City Regional Airport (13.7 miles)

  • Lowest 14 September, 2026

    39.2 °F

  • Average September

    63.4 °F

  • Highest 3 September, 2026

    86.9 °F

Climate (2021–2026)

Rush City Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    55.1 °F
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