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
| 19 December 2025 Fri -16.5 ° C ( 2.3°F )  Partly cloudy |
Feels Like : -27 ° C / -16.6°F Humidity : % 69 Pressure : 1008 mb Wind Speed : 24.5 kmph / 15.2 miles from NNW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
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 |
|---|---|---|---|---|---|---|---|
| 19 December 2025 Fri |  Cloudy |
-20.3 ° C | -9.8 ° C | -14 ° C | % 69 | 27 km/h | 0% |
| 20 December 2025 Sat |  Moderate snow |
-12.4 ° C | 1.3 ° C | -5.5 ° C | % 82 | 32 km/h | 63% |
| 21 December 2025 Sun |  Sunny |
-16 ° C | -8 ° C | -13.1 ° C | % 72 | 22.3 km/h | 0% |
| 22 December 2025 Mon |  Overcast |
-8.1 ° C | -0.6 ° C | -3.2 ° C | % 81 | 27.4 km/h | 0% |
| 23 December 2025 Tue |  Light freezing rain |
-10.1 ° C | -5.2 ° C | -6.1 ° C | % 90 | 18.4 km/h | 73% |
| 24 December 2025 Wed | Partly Cloudy |
-6.3 ° C | -0.3 ° C | -2.8 ° C | % 93 | 16.6 km/h | 0% |
| 25 December 2025 Thu |  Patchy rain nearby |
0.6 ° C | 1.3 ° C | 1 ° C | % 99 | 19.8 km/h | 83% |
| 26 December 2025 Fri | Sunny |
-7.2 ° C | -2.6 ° C | -4.3 ° C | % 87 | 18.7 km/h | 0% |
| 27 December 2025 Sat |  Mist |
-4.3 ° C | 0.4 ° C | -1.6 ° C | % 95 | 8.3 km/h | 0% |
| 28 December 2025 Sun | Light freezing rain |
-3.8 ° C | -0.3 ° C | -1.6 ° C | % 91 | 10.8 km/h | 85% |
| 29 December 2025 Mon | Sunny |
-5.3 ° C | -0.2 ° C | -3.1 ° C | % 92 | 13 km/h | 0% |
| 30 December 2025 Tue | Partly Cloudy |
-1.4 ° C | 1.1 ° C | -0.4 ° C | % 83 | 17.6 km/h | 0% |
| 31 December 2025 Wed | Partly Cloudy |
-1.3 ° C | 3.2 ° C | 1.1 ° C | % 82 | 23.8 km/h | 0% |
| 01 January 2026 Thu | Patchy rain nearby |
1.2 ° C | 2.7 ° C | 2.4 ° C | % 98 | 19.4 km/h | 88% |
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