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

12 January 2026 Mon
-5.6 ° C
( 21.9°F )
Overcast
Overcast 		Feels Like : -13.2 ° C / 8.3°F
Humidity : % 77
Pressure : 1021 mb
Wind Speed : 25.6 kmph / 15.9 miles from WNWWNW
Visibility : 14 km
Precipitation (rainfall) : 0.05 mm
Cloud (%) : 100

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
11 January 2026 Sun Moderate or heavy snow showers Moderate or heavy snow showers -5.2 ° C -0.8 ° C -1.8 ° C % 81 27.7 km/h 87%
12 January 2026 Mon Overcast  Overcast -5.5 ° C 0.1 ° C -3.1 ° C % 75 25.9 km/h 0%
13 January 2026 Tue Overcast  Overcast -3.7 ° C 2.3 ° C -0.8 ° C % 69 22.3 km/h 0%
14 January 2026 Wed Moderate or heavy snow showers Moderate or heavy snow showers -0.3 ° C 1.6 ° C 0.7 ° C % 95 21.2 km/h 79%
15 January 2026 Thu Moderate snow Moderate snow -10.4 ° C -6.4 ° C -6.7 ° C % 88 17.6 km/h 82%
16 January 2026 Fri Overcast  Overcast -11.3 ° C -4.2 ° C -9.2 ° C % 81 16.6 km/h 0%
17 January 2026 Sat Moderate or heavy snow showers Moderate or heavy snow showers -7.4 ° C -0.9 ° C -3.7 ° C % 85 17.6 km/h 65%
18 January 2026 Sun Moderate snow Moderate snow -14.1 ° C -5.9 ° C -7.4 ° C % 89 25.9 km/h 69%
19 January 2026 Mon Moderate snow Moderate snow -14.8 ° C -7.4 ° C -10.9 ° C % 90 24.8 km/h 81%
20 January 2026 Tue Light snow Light snow -13.7 ° C -8.7 ° C -11 ° C % 89 27 km/h 67%
21 January 2026 Wed Light freezing rain Light freezing rain -21.3 ° C -12.3 ° C -15.4 ° C % 86 18.7 km/h 77%
22 January 2026 Thu Freezing fog Freezing fog -21.3 ° C -5.1 ° C -12.4 ° C % 89 8.6 km/h 70%
23 January 2026 Fri Moderate rain Moderate rain -3 ° C 2.4 ° C 1.7 ° C % 99 15.1 km/h 88%
24 January 2026 Sat Moderate rain Moderate rain 4.3 ° C 8.2 ° C 7.4 ° C % 93 20.5 km/h 84%
Weather forecasts are usually fully updated every 3 hours.

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