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
| 31 January 2026 Sat -7.8 ° C ( 18°F )  Overcast |
Feels Like : -15.6 ° C / 3.9°F Humidity : % 61 Pressure : 1023 mb Wind Speed : 23 kmph / 14.3 miles from N 
Visibility : 16 km Precipitation (rainfall) : 0 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 |
|---|---|---|---|---|---|---|---|
| 31 January 2026 Sat |  Partly Cloudy |
-6.8 ° C | -3.7 ° C | -5.2 ° C | % 70 | 33.5 km/h | 0% |
| 01 February 2026 Sun | Overcast |
-9 ° C | -3.5 ° C | -6.4 ° C | % 73 | 38.9 km/h | 0% |
| 02 February 2026 Mon |  Sunny |
-8.3 ° C | 2.5 ° C | -3.8 ° C | % 65 | 29.2 km/h | 0% |
| 03 February 2026 Tue | Sunny |
-3.4 ° C | 3 ° C | -0.9 ° C | % 73 | 9.7 km/h | 0% |
| 04 February 2026 Wed |  Moderate or heavy snow showers |
-3.9 ° C | 1.2 ° C | -0.3 ° C | % 90 | 23.8 km/h | 67% |
| 05 February 2026 Thu | Sunny |
-5.7 ° C | -0.3 ° C | -3.6 ° C | % 76 | 22.7 km/h | 0% |
| 06 February 2026 Fri | Partly Cloudy |
-4.9 ° C | 4 ° C | -0.3 ° C | % 74 | 23.4 km/h | 0% |
| 07 February 2026 Sat | Sunny |
-5.8 ° C | -1.6 ° C | -2.9 ° C | % 64 | 25.9 km/h | 0% |
| 08 February 2026 Sun | Sunny |
-9 ° C | -5.3 ° C | -6.9 ° C | % 59 | 20.5 km/h | 0% |
| 09 February 2026 Mon |  Moderate snow |
-6.8 ° C | -3.4 ° C | -4.8 ° C | % 82 | 14.8 km/h | 80% |
| 10 February 2026 Tue |  Light freezing rain |
-3.1 ° C | -1.6 ° C | -2.3 ° C | % 95 | 23 km/h | 62% |
| 11 February 2026 Wed | Sunny |
-7.7 ° C | -0.9 ° C | -4.5 ° C | % 87 | 18.7 km/h | 0% |
| 12 February 2026 Thu | Overcast |
-6.8 ° C | -0.3 ° C | -2.7 ° C | % 88 | 12.2 km/h | 0% |
| 13 February 2026 Fri |  Blowing snow |
-12.2 ° C | -5.4 ° C | -7 ° C | % 82 | 34.6 km/h | 66% |
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