Gustavus Airport (GST) 15 Day Weather Forecast, Gustavus United States
Current weather conditions and 15 day weather forecast for Gustavus Airport in Gustavus, 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 GST
| 20 December 2025 Sat -9.4 ° C ( 15.1°F )  Partly Cloudy |
Feels Like : -14.3 ° C / 6.2°F Humidity : % 53 Pressure : 1007 mb Wind Speed : 9.4 kmph / 5.8 miles from NE 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Gustavus Airport, Gustavus, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 19 December 2025 Fri | Partly Cloudy |
-13.8 ° C | -12.2 ° C | -13.2 ° C | % 71 | 14.4 km/h | 0% |
| 20 December 2025 Sat |  Sunny |
-13.8 ° C | -11.1 ° C | -13.1 ° C | % 68 | 12.6 km/h | 0% |
| 21 December 2025 Sun | Partly Cloudy |
-17.6 ° C | -14.1 ° C | -15.2 ° C | % 73 | 17.3 km/h | 0% |
| 22 December 2025 Mon | Sunny |
-17.8 ° C | -15.7 ° C | -17 ° C | % 76 | 15.8 km/h | 0% |
| 23 December 2025 Tue | Sunny |
-16.3 ° C | -11.5 ° C | -14.3 ° C | % 66 | 11.9 km/h | 0% |
| 24 December 2025 Wed | Sunny |
-13.8 ° C | -9.4 ° C | -12.2 ° C | % 63 | 14 km/h | 0% |
| 25 December 2025 Thu | Sunny |
-10.8 ° C | -7.5 ° C | -9.6 ° C | % 63 | 12.6 km/h | 0% |
| 26 December 2025 Fri |  Moderate snow |
-9.3 ° C | -4 ° C | -6.3 ° C | % 77 | 13.3 km/h | 82% |
| 27 December 2025 Sat |  Blizzard |
-1.9 ° C | 1.2 ° C | -0.3 ° C | % 94 | 32 km/h | 80% |
| 28 December 2025 Sun |  Moderate or heavy snow showers |
-8.6 ° C | -4.1 ° C | -5.6 ° C | % 91 | 21.2 km/h | 73% |
| 29 December 2025 Mon |  Heavy snow |
-8.2 ° C | -3.5 ° C | -5.3 ° C | % 94 | 20.9 km/h | 85% |
| 30 December 2025 Tue |  Light freezing rain |
-8.1 ° C | -4.7 ° C | -6.2 ° C | % 87 | 7.9 km/h | 81% |
| 31 December 2025 Wed |  Light snow |
-5.1 ° C | -2.8 ° C | -4 ° C | % 90 | 10.4 km/h | 61% |
| 01 January 2026 Thu | Moderate or heavy snow showers |
-3.4 ° C | 0.1 ° C | -1.3 ° C | % 88 | 25.9 km/h | 88% |
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