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
| 15 September 2026 Tue 20 ° C ( 68.1°F )  Sunny |
Feels Like : 14.9 ° C / 58.8°F Humidity : % 38 Pressure : 1017 mb Wind Speed : 21.2 kmph / 13.2 miles from WNW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 15 September 2026 Tue | Sunny |
12 ° C | 20.5 ° C | 16.7 ° C | % 66 | 28.4 km/h | 17% |
| 16 September 2026 Wed | Sunny |
9.4 ° C | 21.3 ° C | 15 ° C | % 70 | 12.6 km/h | 38% |
| 17 September 2026 Thu |  Overcast |
14.5 ° C | 22.9 ° C | 18.3 ° C | % 72 | 14 km/h | 19% |
| 18 September 2026 Fri |  Moderate rain |
10.5 ° C | 15.6 ° C | 11.9 ° C | % 91 | 27.4 km/h | 92% |
| 19 September 2026 Sat | Overcast |
9.9 ° C | 14.8 ° C | 12 ° C | % 92 | 17.6 km/h | 77% |
| 20 September 2026 Sun | Overcast |
10 ° C | 18.8 ° C | 13.6 ° C | % 78 | 19.8 km/h | 21% |
| 21 September 2026 Mon |  Light rain shower |
9.4 ° C | 12.4 ° C | 10.7 ° C | % 86 | 23 km/h | 90% |
| 22 September 2026 Tue |  Patchy rain nearby |
9.4 ° C | 13.1 ° C | 11 ° C | % 91 | 17.6 km/h | 86% |
| 23 September 2026 Wed | Light rain shower |
10.5 ° C | 15.6 ° C | 12.9 ° C | % 78 | 28.1 km/h | 72% |
| 24 September 2026 Thu | Sunny |
10.2 ° C | 16.2 ° C | 12.4 ° C | % 58 | 29.2 km/h | 7% |
| 25 September 2026 Fri | Sunny |
8 ° C | 20.3 ° C | 14.2 ° C | % 67 | 25.6 km/h | 5% |
| 26 September 2026 Sat | Sunny |
12.9 ° C | 23.8 ° C | 18.6 ° C | % 75 | 16.6 km/h | 9% |
| 27 September 2026 Sun |  Cloudy |
19.8 ° C | 23.9 ° C | 21.7 ° C | % 64 | 26.3 km/h | 36% |
| 28 September 2026 Mon | Sunny |
10.8 ° C | 22.9 ° C | 15.2 ° C | % 53 | 27.4 km/h | 4% |
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