Home
Cash Bids
Contact Us
About Us
Cooking with Black Beans
Blogs and Forums
Calendar
Weather
Markets Page
Portfolio
Charts
Headline News
Area Conditions for St Marys, ON
 
Change Zip Code: 
 
Temperature: 20 oC
Feels Like: 20 oC
Humidity: 66%
Barometer: 30.12
Dew Point: 13 oC
Wind Dir.: SW
Wind Speed: 11 km/h
Sunrise: 7:02
Sunset: 7:38
Observation: Partly Cloudy
As reported at HPSTS St Mary's, ON at 10:00 AM

5-day Forecast for St Marys, ON
Date Sat
13 Sep		 Sun
14 Sep		 Mon
15 Sep		 Tue
16 Sep		 Wed
17 Sep
Weather Condition Mostly Cloudy Partly Cloudy Partly Cloudy Clear Clear
Weather Mostly Cloudy Partly Cloudy Partly Cloudy Clear Clear
Temperature (°C)
Low/High		 13/23 11/24 11/25 11/26 11/26
Feels Like (°C)
Low/High		 13/23 11/24 11/25 11/26 11/26
Dew Point (°C) 13 12 12 11 11
Humidity (%) 61 61 60 54 53
Wind Speed (kph) 8 8 10 8 6
Precipitation
Chance (%)		 - - - - -
Precipitation
Amount (cm)
S=Snow, L=Liquid		 None None None None None
Evapo-
transpiration
(cm/day)		 0.28 0.3 0.36 0.41 0.36
DTN Weather
Local Weather
Radar
Current Temperatures
North American Satellite
US Satellite
DTN Weather Commentary
Current Surface Analysis
Wind Conditions
Today's Forecast Highs
Tonight's Forecast Lows
24 Hr Surface Forecast
Jet Stream Forecast
24 Hr Precipitation Totals
24 Hr StormPath Accum
48 Hr StormPath Accum
5 Day StormPath Accum
3-5 Day Min Temps
6-10 Day Precip Forecast
Growing Degree Days
Soil Temperatures
US Drought Monitor
US Palmer Drought Index
US Crop Moisture Index

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Bio
Showers Continue in Plains, Spread Into Midwest This Weekend

» More DTN Weather Commentary
Posted at 12:06PM Fri Sep 12, 2025 CDT
Click here to get your local weather emailed to you each day.
 
Copyright DTN. All rights reserved. Disclaimer.
Powered By DTN