St. Marys Airport (STQ) 15 Day Weather Forecast, Sainte Marys United States
Current weather conditions and 15 day weather forecast for St. Marys Airport in Sainte 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 STQ
| 03 August 2026 Mon 17.8 ° C ( 64°F )  Cloudy |
Feels Like : 17.6 ° C / 63.7°F Humidity : % 88 Pressure : 1009 mb Wind Speed : 10.8 kmph / 6.7 miles from WNW 
Visibility : 0 km Precipitation (rainfall) : 0 mm Cloud (%) : 77 |
15-day weather forecast for St. Marys Airport, Sainte Marys, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 August 2026 Mon |  Sunny |
14.2 ° C | 24.4 ° C | 19.5 ° C | % 80 | 15.5 km/h | 16% |
| 04 August 2026 Tue | Sunny |
12 ° C | 27.3 ° C | 19.5 ° C | % 73 | 11.2 km/h | 7% |
| 05 August 2026 Wed | Sunny |
15.5 ° C | 28.8 ° C | 21 ° C | % 79 | 13.3 km/h | 70% |
| 06 August 2026 Thu |  Fog |
17.7 ° C | 25.8 ° C | 21.2 ° C | % 93 | 16.9 km/h | 88% |
| 07 August 2026 Fri |  Partly Cloudy |
17.7 ° C | 27.5 ° C | 22.2 ° C | % 83 | 14.8 km/h | 70% |
| 08 August 2026 Sat | Fog |
18.4 ° C | 26 ° C | 22 ° C | % 88 | 14.8 km/h | 82% |
| 09 August 2026 Sun | Sunny |
14.6 ° C | 26.8 ° C | 20.6 ° C | % 80 | 15.8 km/h | 37% |
| 10 August 2026 Mon | Sunny |
13.9 ° C | 29 ° C | 20.5 ° C | % 67 | 11.9 km/h | 60% |
| 11 August 2026 Tue | Fog |
18.5 ° C | 26.3 ° C | 22 ° C | % 91 | 23.8 km/h | 89% |
| 12 August 2026 Wed |  Light rain shower |
15 ° C | 20.2 ° C | 18.8 ° C | % 96 | 20.9 km/h | 90% |
| 13 August 2026 Thu | Sunny |
11 ° C | 24.9 ° C | 17.7 ° C | % 66 | 11.2 km/h | 4% |
| 14 August 2026 Fri | Light rain shower |
14 ° C | 22.4 ° C | 18.5 ° C | % 90 | 13.7 km/h | 84% |
| 15 August 2026 Sat |  Patchy rain nearby |
16.9 ° C | 26.8 ° C | 21.9 ° C | % 80 | 22 km/h | 63% |
| 16 August 2026 Sun |  Mist |
10.2 ° C | 19.8 ° C | 16.4 ° C | % 94 | 17.3 km/h | 86% |
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