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Area Conditions for
St Marys, ON
Change Zip Code:
Temperature:
16
o
C
Feels Like:
16
o
C
Humidity:
90%
Barometer:
30.03
Dew Point:
14
o
C
Wind Dir.:
SSE
Wind Speed:
4 km/h
Sunrise:
5:53
Sunset:
9:06
Observation:
Partly Cloudy
As reported at HPSTS St Mary's, ON at 5:00 AM
5-day Forecast for
St Marys, ON
Date
Wed
9 Jul
Thu
10 Jul
Fri
11 Jul
Sat
12 Jul
Sun
13 Jul
Weather Condition
Weather
Thunder Storms
Mostly Cloudy
Partly Cloudy
Thunder Storms
Thunder Storms
Temperature
(°C)
Low/High
16/23
17/26
14/28
18/29
19/26
Feels Like
(°C)
Low/High
16/24
17/26
14/28
18/32
19/26
Dew Point
(°C)
17
17
16
18
18
Humidity
(%)
80
68
59
66
70
Wind Speed
(kph)
11
10
5
16
16
Precipitation
Chance
(%)
45
-
-
42
65
Precipitation
Amount
(cm)
S=Snow, L=Liquid
Rain
1.19
None
None
Rain
0.38
Rain
0.58
Evapo-
transpiration
(cm/day)
0.3
0.41
0.48
0.53
0.43
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DTN Weather Summary
Bryce Anderson
–
DTN Meteorologist
Bio
Storms Moving Through Southeast, Northern Plains Wednesday
» More DTN Weather Commentary
Posted at 12:05PM Tue Jul 8, 2025 CDT
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