St. Marys Airport (STQ) 15 Day Weather Forecast, Sainte Marys United States
Current weather conditions and 15 day weather forecast for St. Marys Airport in Sainte Marys, 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 STQ
| 14 December 2025 Sun -12.2 ° C ( 10°F )  Overcast |
Feels Like : -20.3 ° C / -4.5°F Humidity : % 60 Pressure : 1019 mb Wind Speed : 18.4 kmph / 11.4 miles from W 
Visibility : 13 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for St. Marys Airport, Sainte Marys, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 December 2025 Sun |  Light freezing rain |
-13.1 ° C | -7.3 ° C | -10.1 ° C | % 81 | 24.8 km/h | 60% |
| 15 December 2025 Mon | Overcast |
-9.7 ° C | -5.2 ° C | -6.9 ° C | % 75 | 17.6 km/h | 0% |
| 16 December 2025 Tue | Overcast |
-8 ° C | -3.3 ° C | -5.8 ° C | % 77 | 16.6 km/h | 0% |
| 17 December 2025 Wed | Light freezing rain |
-2.4 ° C | 2.3 ° C | 0.5 ° C | % 90 | 23 km/h | 79% |
| 18 December 2025 Thu |  Freezing fog |
-7.9 ° C | 5.4 ° C | -0.6 ° C | % 98 | 22.3 km/h | 61% |
| 19 December 2025 Fri |  Sunny |
-5.6 ° C | 1.5 ° C | -0.5 ° C | % 74 | 33.8 km/h | 0% |
| 20 December 2025 Sat |  Light snow |
-5.3 ° C | 1.6 ° C | -0.2 ° C | % 92 | 14.8 km/h | 88% |
| 21 December 2025 Sun |  Patchy rain nearby |
-5.2 ° C | 2.8 ° C | 1.9 ° C | % 88 | 26.3 km/h | 87% |
| 22 December 2025 Mon |  Partly Cloudy |
-6.1 ° C | -0.2 ° C | -3.2 ° C | % 70 | 22.3 km/h | 0% |
| 23 December 2025 Tue | Patchy rain nearby |
-2.9 ° C | 8 ° C | 1.8 ° C | % 81 | 23.8 km/h | 76% |
| 24 December 2025 Wed |  Cloudy |
-7.4 ° C | -5 ° C | -6.3 ° C | % 67 | 22 km/h | 0% |
| 25 December 2025 Thu | Light snow |
-7.1 ° C | -5.9 ° C | -6.5 ° C | % 81 | 13.3 km/h | 81% |
| 26 December 2025 Fri | Light freezing rain |
-5.7 ° C | 0.6 ° C | -2.9 ° C | % 95 | 22.3 km/h | 70% |
| 27 December 2025 Sat | Light snow |
-6.8 ° C | -3.1 ° C | -4.7 ° C | % 89 | 18.7 km/h | 71% |
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