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Area Conditions for St Marys, ON
 
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Temperature: 1 oC
Feels Like: -6 oC
Humidity: 73%
Barometer: 29.74
Dew Point: -3 oC
Wind Dir.: NW
Wind Speed: 33 km/h
Sunrise: 7:25
Sunset: 7:38
Observation: Snow
As reported at HPSTS St Mary's, ON at 7:00 PM

5-day Forecast for St Marys, ON
Date Fri
21 Mar
Sat
22 Mar
Sun
23 Mar
Mon
24 Mar
Tue
25 Mar
Weather Condition Partly Cloudy Rain/Snow Mix Snow Rain/Snow Mix Snow
Weather Partly Cloudy Rain/Snow Mix Snow Rain/Snow Mix Snow
Temperature (°C)
Low/High
-3/9 -4/7 -6/4 2/5 -2/2
Feels Like (°C)
Low/High
-7/5 -11/2 -10/0 -4/0 -7/-2
Dew Point (°C) -4 -5 -7 -1 -4
Humidity (%) 50 60 50 71 66
Wind Speed (kph) 23 31 19 27 19
Precipitation
Chance
(%)
- 80 80 80 62
Precipitation
Amount
(cm)
S=Snow, L=Liquid
None S: .6-2.5
L: 0.28
S: .6-2.5
L: 0.36
S: .6-2.5
L: 0.69
S: 2.5-5
L: 0.38
Evapo-
transpiration

(cm/day)
0.28 0.2 0.2 0.18 0.15
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Small System Moving Through Friday
Posted at 12:11PM Thu Mar 20, 2025 CDT
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