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
| 02 August 2026 Sun 25.2 ° C ( 77.4°F )  Clear |
Feels Like : 25.6 ° C / 78.1°F Humidity : % 72 Pressure : 1012 mb Wind Speed : 17.3 kmph / 10.7 miles from S 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 01 August 2026 Sat | Sunny |
20.3 ° C | 33.4 ° C | 26.3 ° C | % 71 | 17.3 km/h | 6% |
| 02 August 2026 Sun | Sunny |
22.9 ° C | 32.2 ° C | 25.5 ° C | % 82 | 18 km/h | 78% |
| 03 August 2026 Mon |  Patchy rain nearby |
23.1 ° C | 29.2 ° C | 25 ° C | % 90 | 19.1 km/h | 89% |
| 04 August 2026 Tue |  Mist |
22.9 ° C | 27 ° C | 24.3 ° C | % 92 | 13.3 km/h | 88% |
| 05 August 2026 Wed |  Partly Cloudy |
22.4 ° C | 31.6 ° C | 26 ° C | % 79 | 24.8 km/h | 16% |
| 06 August 2026 Thu | Sunny |
23.9 ° C | 34.6 ° C | 28.8 ° C | % 67 | 17.3 km/h | 36% |
| 07 August 2026 Fri | Sunny |
25.5 ° C | 35.2 ° C | 29.7 ° C | % 65 | 17.3 km/h | 5% |
| 08 August 2026 Sat | Sunny |
23.1 ° C | 33.4 ° C | 28.1 ° C | % 73 | 18 km/h | 12% |
| 09 August 2026 Sun | Sunny |
22.2 ° C | 33 ° C | 26.6 ° C | % 78 | 11.9 km/h | 70% |
| 10 August 2026 Mon | Sunny |
22.6 ° C | 33.5 ° C | 27.2 ° C | % 73 | 10.8 km/h | 37% |
| 11 August 2026 Tue | Sunny |
22.3 ° C | 32.7 ° C | 27.1 ° C | % 61 | 11.2 km/h | 5% |
| 12 August 2026 Wed | Sunny |
23.6 ° C | 34.3 ° C | 28.3 ° C | % 65 | 13.7 km/h | 5% |
| 13 August 2026 Thu | Sunny |
24.9 ° C | 35.8 ° C | 29.1 ° C | % 64 | 16.2 km/h | 57% |
| 14 August 2026 Fri | Patchy rain nearby |
22.3 ° C | 34.1 ° C | 26.4 ° C | % 74 | 19.8 km/h | 59% |
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