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
| 24 August 2026 Mon 20.1 ° C ( 68.2°F )  Overcast |
Feels Like : 19.3 ° C / 66.7°F Humidity : % 67 Pressure : 1014 mb Wind Speed : 10.1 kmph / 6.3 miles from NW 
Visibility : 10 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 |
|---|---|---|---|---|---|---|---|
| 24 August 2026 Mon |  Sunny |
19 ° C | 29.4 ° C | 23.7 ° C | % 54 | 21.2 km/h | 6% |
| 25 August 2026 Tue | Sunny |
16.8 ° C | 27.9 ° C | 22.5 ° C | % 54 | 18.7 km/h | 6% |
| 26 August 2026 Wed | Overcast |
19 ° C | 29.6 ° C | 23.8 ° C | % 60 | 22.3 km/h | 10% |
| 27 August 2026 Thu | Overcast |
21.5 ° C | 27.4 ° C | 24.3 ° C | % 80 | 19.8 km/h | 74% |
| 28 August 2026 Fri |  Mist |
21 ° C | 29.7 ° C | 24.7 ° C | % 81 | 14.8 km/h | 68% |
| 29 August 2026 Sat | Sunny |
21.2 ° C | 31.6 ° C | 25.5 ° C | % 73 | 11.2 km/h | 57% |
| 30 August 2026 Sun |  Light rain shower |
22.2 ° C | 31.8 ° C | 25.9 ° C | % 77 | 15.5 km/h | 77% |
| 31 August 2026 Mon | Light rain shower |
21.5 ° C | 26.4 ° C | 23.4 ° C | % 81 | 11.5 km/h | 86% |
| 01 September 2026 Tue | Overcast |
19.3 ° C | 27.1 ° C | 22.7 ° C | % 70 | 16.6 km/h | 57% |
| 02 September 2026 Wed | Light rain shower |
16.9 ° C | 20.9 ° C | 18.8 ° C | % 83 | 23 km/h | 88% |
| 03 September 2026 Thu |  Patchy rain nearby |
14.5 ° C | 24.8 ° C | 18.9 ° C | % 71 | 24.5 km/h | 57% |
| 04 September 2026 Fri | Overcast |
17.3 ° C | 26.4 ° C | 21.4 ° C | % 60 | 14 km/h | 7% |
| 05 September 2026 Sat | Sunny |
18.7 ° C | 27.4 ° C | 22.7 ° C | % 71 | 14 km/h | 17% |
| 06 September 2026 Sun | Overcast |
17.6 ° C | 26.1 ° C | 21.7 ° C | % 68 | 18.7 km/h | 11% |
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