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
| 17 March 2026 Tue 5.1 ° C ( 41.2°F )  Partly cloudy |
Feels Like : 2 ° C / 35.6°F Humidity : % 35 Pressure : 1015 mb Wind Speed : 14 kmph / 8.7 miles from W 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
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 |
|---|---|---|---|---|---|---|---|
| 17 March 2026 Tue |  Patchy rain nearby |
-0.5 ° C | 5.3 ° C | 2.4 ° C | % 58 | 34.2 km/h | 78% |
| 18 March 2026 Wed | Partly Cloudy |
-1.7 ° C | 7.1 ° C | 1.8 ° C | % 45 | 17.3 km/h | 0% |
| 19 March 2026 Thu |  Sunny |
2.3 ° C | 13.3 ° C | 6.6 ° C | % 61 | 16.6 km/h | 0% |
| 20 March 2026 Fri |  Cloudy |
5.1 ° C | 17.2 ° C | 9.1 ° C | % 66 | 13.7 km/h | 0% |
| 21 March 2026 Sat |  Moderate rain |
6.4 ° C | 10.1 ° C | 8.4 ° C | % 92 | 14.4 km/h | 83% |
| 22 March 2026 Sun | Partly Cloudy |
6.2 ° C | 19.7 ° C | 11.5 ° C | % 80 | 25.6 km/h | 0% |
| 23 March 2026 Mon | Patchy rain nearby |
3.1 ° C | 11.4 ° C | 10.3 ° C | % 58 | 30.6 km/h | 87% |
| 24 March 2026 Tue | Sunny |
-1.8 ° C | 6.8 ° C | 2.6 ° C | % 47 | 19.8 km/h | 0% |
| 25 March 2026 Wed | Patchy rain nearby |
2.3 ° C | 8.8 ° C | 5.9 ° C | % 80 | 16.9 km/h | 82% |
| 26 March 2026 Thu | Patchy rain nearby |
8 ° C | 21.3 ° C | 15.5 ° C | % 83 | 34.6 km/h | 78% |
| 27 March 2026 Fri | Patchy rain nearby |
5.7 ° C | 14.9 ° C | 11.1 ° C | % 60 | 29.9 km/h | 88% |
| 28 March 2026 Sat | Sunny |
-0.1 ° C | 8.1 ° C | 4 ° C | % 53 | 22.3 km/h | 0% |
| 29 March 2026 Sun | Partly Cloudy |
4.1 ° C | 13.2 ° C | 7.6 ° C | % 67 | 18 km/h | 0% |
| 30 March 2026 Mon | Partly Cloudy |
8.9 ° C | 20.5 ° C | 14 ° C | % 68 | 18.4 km/h | 0% |
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