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
| 12 January 2026 Mon -3.3 ° C ( 26.1°F )  Light snow |
Feels Like : -9.7 ° C / 14.5°F Humidity : % 77 Pressure : 1013 mb Wind Speed : 22 kmph / 13.6 miles from W 
Visibility : 2.8 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 |
|---|---|---|---|---|---|---|---|
| 11 January 2026 Sun | Light snow |
-5.6 ° C | -0.8 ° C | -1.9 ° C | % 82 | 28.1 km/h | 69% |
| 12 January 2026 Mon |  Partly Cloudy |
-4.8 ° C | -0.3 ° C | -2.8 ° C | % 72 | 25.9 km/h | 0% |
| 13 January 2026 Tue |  Light freezing rain |
-2.4 ° C | 2.8 ° C | 0 ° C | % 72 | 25.6 km/h | 75% |
| 14 January 2026 Wed |  Patchy rain nearby |
-0.2 ° C | 2.9 ° C | 1.8 ° C | % 92 | 23.8 km/h | 87% |
| 15 January 2026 Thu |  Heavy snow |
-10.1 ° C | -4.3 ° C | -5.1 ° C | % 93 | 24.8 km/h | 63% |
| 16 January 2026 Fri | Partly Cloudy |
-11.1 ° C | -4.5 ° C | -8.7 ° C | % 79 | 25.6 km/h | 0% |
| 17 January 2026 Sat | Light freezing rain |
-9.1 ° C | -0.6 ° C | -4.6 ° C | % 88 | 24.1 km/h | 76% |
| 18 January 2026 Sun | Light snow |
-8.7 ° C | -3.5 ° C | -5.8 ° C | % 86 | 31.3 km/h | 73% |
| 19 January 2026 Mon | Light snow |
-10.8 ° C | -7.1 ° C | -9.3 ° C | % 81 | 24.8 km/h | 74% |
| 20 January 2026 Tue |  Overcast |
-16.2 ° C | -12 ° C | -13.4 ° C | % 81 | 13.7 km/h | 0% |
| 21 January 2026 Wed |  Freezing fog |
-19.4 ° C | -7.3 ° C | -12.7 ° C | % 85 | 16.2 km/h | 0% |
| 22 January 2026 Thu | Partly Cloudy |
-12.5 ° C | 0.3 ° C | -6.1 ° C | % 76 | 14 km/h | 0% |
| 23 January 2026 Fri | Light snow |
-5.3 ° C | 1.2 ° C | -1.8 ° C | % 95 | 5.4 km/h | 62% |
| 24 January 2026 Sat | Freezing fog |
-1.5 ° C | 2.8 ° C | 0.5 ° C | % 96 | 11.5 km/h | 89% |
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