Centretown Observatory:

Current Weather

Times in Eastern Daylight Time (EDT = GMT-4)

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   Latest Observations from CTO Weather Centre - Monday, October 27, 2025 at 09:04 EDT
   Local Sky: Sunny
   Airport: Mainly Sunny

 

Centretown   

Airport   

   Temperature:

   Humidex:

   

   Wind Chill Index:

   

   Relative Humidity:

77

%

87 %

   Dew Point:

   Precipitation Today:

   

   Sunshine Today:

01:30

     
 

Centretown   

Airport   

   Barometric Pressure:

 

   - Trend:

Rising

  Rising    

   Winds:

SE at

NNW at  

   - Bearing (approx.):

135 ° 338 °  

   - Recent Gust:

     km/h  

   Visibility:

     

   Capture Accuracy:

441/441 (100.00%)  

   Webcams and Radar:

CTO Webcam:

Parliament Hill Webcam:

EC Local Radar:

EC National Radar:

About... Parliament Hill Webcam

   Current Official Forecast:

[Source]

Forecasts issued Mon, October 27, 2025 at 05:00:

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
POP 0% POP 0% POP 0% POP 40% POP 60% POP 30% POP 60%
Monday night Tuesday night Wednesday night Thursday night Friday night Saturday night  
 
 
 
POP 0% POP 0% POP 0% POP 60% POP 30% POP 30%  
Monday: Mainly sunny. Fog patches dissipating this morning. High 10. UV index 2 or low.
Monday night: Clear. Fog patches developing after midnight. Wind up to 15 km/h. Low minus 2. Wind chill minus 4 overnight.
Tuesday: Sunny. Fog patches dissipating in the morning. Wind up to 15 km/h. High 11. Wind chill minus 4 in the morning. UV index 3 or moderate.
Tuesday night: Clear. Low minus 4.
Wednesday: Sunny. High 12.
Wednesday night: Clear. Low minus 3.
Thursday: Cloudy with 40 percent chance of showers. High 9. POP 40%.
Thursday night: Cloudy with 60 percent chance of showers. Low plus 5. POP 60%.
Friday: Cloudy with 60 percent chance of showers. High 9. POP 60%.
Friday night: Cloudy with 30 percent chance of showers. Low plus 4. POP 30%.
Saturday: Cloudy with 30 percent chance of showers. High 8. POP 30%.
Saturday night: Cloudy with 30 percent chance of showers. Low plus 3. POP 30%.
Sunday: Cloudy with 60 percent chance of showers. High 8. POP 60%.
 

   Regional Watches and Warnings:

Current Satellite Imagery:

S. and E. Ontario:
Click for source page

Marine - Great Lakes:
Click for source page

Visible:
Click for EC website

Infrared:
Click for EC website

 
   Today: 10:21 of daylight    Yesterday: 10:25 of daylight
 

Centretown

Airport

   Sunrise:

    07:36     07:35

   Sunset:

    17:57     17:58
 

   Normal High:

   

   Normal Low:

   

   Record High:

(2020) (1947)

   Record Low:

(2020) (2015)
 
   

Centretown

 

Airport

   Sunrise:

    07:34     07:33

   Sunset:

    17:59     17:59
 

   High:

(16:34) (14:00)

   Low:

(00:24) (03:00)

   Precip:

   

   Sunshine:

04:30          
  

   Current and Upcoming Events (next 7 days: 3):

 
   
First Quarter - Wed, October 29 @ 04:20 (-1d, 19h, 15m)
A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
   
Hallowe'en - Fri, October 31 @ 01:00 (-3d, 15h, 55m)
This observance, originally called "All Hallows' Eve", and immediately preceding All Saints' Day, is a mostly-fun-filled celebration of the dead; a night when jack-o'-lanterns decorate doorsteps, and candies are handed out to canvassing children.
   
Time Change in most of North America: clocks go back one hour. - Sun, November 2 @ 02:00 (-5d, 16h, 55m)
Eastern Daylight Time ends at 02:00 EDT. Eastern Standard Time begins at 01:00 EST.
   - times in EST or EDT according to date of event
  

   Recent Events (Reverse Order; Last 7 days: 2):

 
   
Black Thursday - Fri, October 24 @ 01:00 (+3d, 8h, 5m)
Signalling the beginning of the Great Depression, the Dow Jones Industrial Average dropped by 11 percent on this day in 1929, the beginning of many months of slides. Stock prices bottomed out in 1932. The Great Depression continued until the outbreak of war in 1939.
   
New Moon - Tue, October 21 @ 00:25 (+6d, 8h, 40m)
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
   - times in EST or EDT according to date of event
  

   Current Terminator:

Tropical Weather Synopses:

Americas:
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Space Weather Dashboard:

Tropical Weather (NOAA):
Click for NHC website

Canadian Hurricane Centre:
Click for CHC website

Regional Temperatures (Cities Clickable):

National Temperatures (Cities Clickable):


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