Grantsburg Weather Forecast
- 65
- 79
Decreasing Clouds
- 65
- 83
Mostly Cloudy
- 66
- 84
Rain Showers Likely
- 63
- 82
Rain Showers Likely
- 63
- 78
Chance Rain Showers
- 44
- 75
Rain Showers Likely
Today 30 Mar Johnson
Mostly sunny. Highs in the upper 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.
Tonight 30 Mar Johnson
Mostly clear. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.
Grantsburg Temperature Statistics
March Temperature
Metropolis Municipal Airport (14.3 miles)
Lowest 28 March, 2026
35.8 °FAverage March
60.6 °FHighest 22 March, 2026
86 °F
Climate (2021–Present)
Metropolis Municipal Airport (14.3 miles)
Average Low 2021–2026
48.7 °FAverage 2021–2026
59 °FAverage High 2021–2026
69.4 °F