Area Conditions for St Marys, ON
 
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Temperature: 21 oC
Feels Like: 21 oC
Humidity: 73%
Barometer: 29.85
Dew Point: 16 oC
Wind Dir.: W
Wind Speed: 7 km/h
Sunrise: 5:49
Sunset: 9:08
Observation: Sunny
As reported at HPSTS St Mary's, ON at 9:00 PM

5-day Forecast for St Marys, ON
Date Wed
2 Jul
Thu
3 Jul
Fri
4 Jul
Sat
5 Jul
Sun
6 Jul
Weather Condition Thunder Storms Thunder Storms Clear Thunder Storms Thunder Storms
Weather Thunder Storms Thunder Storms Clear Thunder Storms Thunder Storms
Temperature (°C)
Low/High
14/27 15/23 11/26 16/30 22/31
Feels Like (°C)
Low/High
14/28 15/23 11/26 16/32 22/32
Dew Point (°C) 15 13 12 16 19
Humidity (%) 62 58 50 62 62
Wind Speed (kph) 13 14 6 16 21
Precipitation
Chance
(%)
43 32 - 40 56
Precipitation
Amount
(cm)
S=Snow, L=Liquid
Rain
0.23
Rain
0.23
None Rain
0.23
Rain
0.33
Evapo-
transpiration

(cm/day)
0.48 0.46 0.48 0.58 0.64
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Northern, Southeastern Storms for Wednesday
Posted at 12:15PM Tue Jul 1, 2025 CDT
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