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Area Conditions for
St Marys, ON
Change Zip Code:
Temperature:
7
o
C
Feels Like:
5
o
C
Humidity:
96%
Barometer:
29.68
Dew Point:
7
o
C
Wind Dir.:
SSW
Wind Speed:
13 km/h
Sunrise:
7:47
Sunset:
6:30
Observation:
Rain
As reported at HPSTS St Mary's, ON at 11:00 PM
5-day Forecast for
St Marys, ON
Date
Wed
22 Oct
Thu
23 Oct
Fri
24 Oct
Sat
25 Oct
Sun
26 Oct
Weather Condition
Weather
Rain
Rain
Rain
Rain
Mostly Cloudy
Temperature
(°C)
Low/High
4/10
5/9
4/9
3/11
3/12
Feels Like
(°C)
Low/High
2/10
2/6
1/7
3/11
1/12
Dew Point
(°C)
5
5
4
3
3
Humidity
(%)
83
81
81
75
69
Wind Speed
(kph)
14
18
14
6
10
Precipitation
Chance
(%)
80
80
80
50
-
Precipitation
Amount
(cm)
S=Snow, L=Liquid
Rain
0.58
Rain
0.61
Rain
0.64
Rain
0.30
None
Evapo-
transpiration
(cm/day)
0.13
0.13
0.13
0.1
0.13
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DTN Weather Summary
Bryce Anderson
–
DTN Meteorologist
Bio
Showers Continue in Great Lakes, Northeast Wednesday
» More DTN Weather Commentary
Posted at 11:59AM Tue Oct 21, 2025 CDT
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