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

05 December 2025 Fri
-13.9 ° C
( 7°F )

Clear
Clear
Feels Like : -16.2 ° C / 2.8°F
Humidity : % 87
Pressure : 1021 mb
Wind Speed : 3.6 kmph / 2.2 miles from SSESSE
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

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
05 December 2025 Fri Partly Cloudy  Partly Cloudy -12 ° C -4.2 ° C -7.5 ° C % 73 11.2 km/h 0%
06 December 2025 Sat Overcast  Overcast -4.2 ° C -0.7 ° C -2.3 ° C % 86 16.6 km/h 0%
07 December 2025 Sun Moderate or heavy snow showers Moderate or heavy snow showers -2.3 ° C -0.3 ° C -1.6 ° C % 88 10.8 km/h 84%
08 December 2025 Mon Patchy moderate snow Patchy moderate snow -15.8 ° C -7 ° C -8.9 ° C % 85 20.9 km/h 81%
09 December 2025 Tue Mist Mist -15.9 ° C -2.5 ° C -9.5 ° C % 89 19.4 km/h 0%
10 December 2025 Wed Patchy rain nearby Patchy rain nearby 0.9 ° C 3.4 ° C 1.8 ° C % 83 20.2 km/h 80%
11 December 2025 Thu Heavy snow Heavy snow -8.8 ° C -4.6 ° C -5 ° C % 88 22.7 km/h 84%
12 December 2025 Fri Light freezing rain Light freezing rain -8.3 ° C -3 ° C -5.6 ° C % 89 10.8 km/h 82%
13 December 2025 Sat Moderate snow Moderate snow -9.8 ° C -3.2 ° C -6.3 ° C % 88 18 km/h 79%
14 December 2025 Sun Sunny Sunny -9.9 ° C 3.3 ° C -2.8 ° C % 83 24.5 km/h 0%
15 December 2025 Mon Light freezing rain Light freezing rain -7.3 ° C -4.6 ° C -5.3 ° C % 81 27 km/h 0%
16 December 2025 Tue Overcast  Overcast -9.1 ° C -3.9 ° C -6.2 ° C % 77 15.5 km/h 0%
17 December 2025 Wed Moderate or heavy snow showers Moderate or heavy snow showers -5.2 ° C -2 ° C -2.8 ° C % 89 5.4 km/h 77%
18 December 2025 Thu Moderate or heavy freezing rain Moderate or heavy freezing rain -0.5 ° C 0 ° C -0.2 ° C % 98 10.8 km/h 86%
Weather forecasts are usually fully updated every 3 hours.

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