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Area Conditions for
St Marys, ON
Change Zip Code:
Temperature:
7
o
C
Feels Like:
6
o
C
Humidity:
54%
Barometer:
30.42
Dew Point:
-2
o
C
Wind Dir.:
NW
Wind Speed:
7 km/h
Sunrise:
6:46
Sunset:
8:04
Observation:
Sunny
As reported at HPSTS St Mary's, ON at 7:00 PM
5-day Forecast for
St Marys, ON
Date
Sun
12 Apr
Mon
13 Apr
Tue
14 Apr
Wed
15 Apr
Thu
16 Apr
Weather Condition
Weather
Rain
Thunder Storms
Thunder Storms
Thunder Storms
Rain
Temperature
(°C)
Low/High
2/16
13/19
13/21
13/21
12/18
Feels Like
(°C)
Low/High
-2/16
13/19
13/21
13/21
12/18
Dew Point
(°C)
4
12
15
14
12
Humidity
(%)
78
82
88
85
82
Wind Speed
(kph)
21
21
21
16
16
Precipitation
Chance
(%)
80
80
80
80
80
Precipitation
Amount
(cm)
S=Snow, L=Liquid
Rain
0.58
Rain
0.76
Rain
1.12
Rain
1.40
Rain
1.04
Evapo-
transpiration
(cm/day)
0.2
0.25
0.23
0.23
0.23
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DTN Weather Summary
Bryce Anderson
–
DTN Meteorologist
Bio
System Opening Door for Widespread Rain This Weekend
» More DTN Weather Commentary
Posted at 11:57AM Fri Apr 10, 2026 CDT
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