Grantsburg Municipal Airport (GTG) 15 Day Weather Forecast, Grantsburg United States
Current weather conditions and 15 day weather forecast for Grantsburg Municipal Airport in Grantsburg, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at GTG
| 16 December 2025 Tue -3.5 ° C ( 25.7°F )  Partly cloudy |
Feels Like : -10.1 ° C / 13.9°F Humidity : % 86 Pressure : 1002 mb Wind Speed : 22.7 kmph / 14.1 miles from SSW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15-day weather forecast for Grantsburg Municipal Airport, Grantsburg, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 16 December 2025 Tue | Partly Cloudy |
-15.2 ° C | 5.5 ° C | -3.7 ° C | % 81 | 33.8 km/h | 0% |
| 17 December 2025 Wed |  Overcast |
-7.6 ° C | -2.2 ° C | -3.5 ° C | % 91 | 32 km/h | 0% |
| 18 December 2025 Thu | Overcast |
-17.2 ° C | 0.1 ° C | -4.6 ° C | % 85 | 32.8 km/h | 0% |
| 19 December 2025 Fri |  Moderate or heavy snow showers |
-19 ° C | -11.8 ° C | -15 ° C | % 83 | 22.3 km/h | 88% |
| 20 December 2025 Sat | Moderate or heavy snow showers |
-11.9 ° C | -2.4 ° C | -6.8 ° C | % 88 | 22.3 km/h | 76% |
| 21 December 2025 Sun |  Light freezing rain |
-17.5 ° C | -9.9 ° C | -13.5 ° C | % 89 | 17.6 km/h | 64% |
| 22 December 2025 Mon |  Patchy moderate snow |
-17.8 ° C | -1.4 ° C | -7.8 ° C | % 87 | 33.8 km/h | 83% |
| 23 December 2025 Tue |  Sunny |
-11.4 ° C | 0.5 ° C | -3.2 ° C | % 86 | 24.5 km/h | 0% |
| 24 December 2025 Wed | Overcast |
-12.9 ° C | -2.3 ° C | -6.4 ° C | % 85 | 17.6 km/h | 0% |
| 25 December 2025 Thu | Overcast |
-2 ° C | 2 ° C | 0.3 ° C | % 96 | 18.4 km/h | 0% |
| 26 December 2025 Fri | Overcast |
-3.2 ° C | 0.8 ° C | -0 ° C | % 96 | 14.4 km/h | 0% |
| 27 December 2025 Sat |  Light snow |
-4.3 ° C | -0.7 ° C | -1.9 ° C | % 95 | 13.3 km/h | 69% |
| 28 December 2025 Sun | Partly Cloudy |
-4.4 ° C | 1.9 ° C | -0.8 ° C | % 82 | 22 km/h | 0% |
| 29 December 2025 Mon | Partly Cloudy |
-3.2 ° C | 1.5 ° C | -0.1 ° C | % 83 | 23.4 km/h | 0% |
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