St Marys Airport (XSM) 15 Day Weather Forecast, Saint Marys United States
Current weather conditions and 15 day weather forecast for St Marys Airport in Saint 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 XSM
| 05 December 2025 Fri 1.7 ° C ( 35.1°F )  Overcast |
Feels Like : -2.2 ° C / 28°F Humidity : % 49 Pressure : 1025 mb Wind Speed : 14.4 kmph / 8.9 miles from NE 
Visibility : 16 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 100 |
15-day weather forecast for St Marys Airport, Saint Marys, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 05 December 2025 Fri |  Moderate or heavy snow showers |
-0.7 ° C | 1.9 ° C | 0.8 ° C | % 81 | 21.2 km/h | 68% |
| 06 December 2025 Sat | Overcast |
2.6 ° C | 8.3 ° C | 5 ° C | % 83 | 9 km/h | 0% |
| 07 December 2025 Sun |  Cloudy |
3.2 ° C | 5.5 ° C | 4.9 ° C | % 72 | 14 km/h | 0% |
| 08 December 2025 Mon |  Patchy rain nearby |
-3.2 ° C | 4.5 ° C | 1.8 ° C | % 67 | 37.8 km/h | 69% |
| 09 December 2025 Tue |  Sunny |
-4 ° C | 4.3 ° C | -1.2 ° C | % 59 | 26.6 km/h | 0% |
| 10 December 2025 Wed | Patchy rain nearby |
2.3 ° C | 9 ° C | 6.3 ° C | % 80 | 28.8 km/h | 73% |
| 11 December 2025 Thu | Patchy rain nearby |
1.6 ° C | 8.8 ° C | 6.5 ° C | % 70 | 28.4 km/h | 69% |
| 12 December 2025 Fri |  Partly Cloudy |
0.8 ° C | 4.8 ° C | 2.1 ° C | % 69 | 17.6 km/h | 0% |
| 13 December 2025 Sat | Sunny |
-0.6 ° C | 2.9 ° C | 0.8 ° C | % 63 | 28.4 km/h | 0% |
| 14 December 2025 Sun | Sunny |
-1 ° C | 7.9 ° C | 3.6 ° C | % 57 | 25.2 km/h | 0% |
| 15 December 2025 Mon | Sunny |
1.4 ° C | 7.2 ° C | 5.2 ° C | % 56 | 26.6 km/h | 0% |
| 16 December 2025 Tue | Sunny |
-1.9 ° C | 3 ° C | 0.5 ° C | % 50 | 23.8 km/h | 0% |
| 17 December 2025 Wed | Patchy rain nearby |
0.9 ° C | 6.5 ° C | 4.7 ° C | % 64 | 20.5 km/h | 87% |
| 18 December 2025 Thu |  Moderate rain |
5.8 ° C | 7.9 ° C | 6.7 ° C | % 98 | 14.4 km/h | 87% |
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