Centretown Observatory:

Current Weather

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

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   Latest Observations from CTO Weather Centre - Monday, September 8, 2025 at 23:09 EDT
   Local Sky: Clear
   Airport: Mainly Clear

 

Centretown   

Airport   

   Temperature:

   Humidex:

   

   Wind Chill Index:

   

   Relative Humidity:

67

%

88 %

   Dew Point:

   Precipitation Today:

   

   Sunshine Today:

10:05

     
 

Centretown   

Airport   

   Barometric Pressure:

 

   - Trend:

Rising

  Rising    

   Winds:

SSW at

SSE at  

   - Bearing (approx.):

203 ° 158 °  

   - Recent Gust:

     km/h  

   Visibility:

     

   Capture Accuracy:

1962/1962 (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, September 8, 2025 at 21:56:

Tuesday Wednesday Thursday Friday Saturday Sunday
POP 0% POP 0% POP 0% POP 0% POP 0% POP 30%
Monday night Tuesday night Wednesday night Thursday night Friday night Saturday night  
 
 
 
POP 0% POP 0% POP 0% POP 0% POP 0% POP 30%  
Monday night: Clear. Fog patches developing overnight. Low plus 5.
Tuesday: Sunny. Fog patches dissipating in the morning. High 23. UV index 6 or high.
Tuesday night: Clear. Low 7.
Wednesday: Sunny. High 26.
Wednesday night: Cloudy periods. Low 13.
Thursday: Sunny. High 21.
Thursday night: Clear. Low 7.
Friday: Sunny. High 21.
Friday night: Clear. Low 10.
Saturday: A mix of sun and cloud. High 22.
Saturday night: Cloudy with 30 percent chance of showers. Low 13. POP 30%.
Sunday: A mix of sun and cloud with 30 percent chance of showers. High 23. POP 30%.
 

   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: 12:54 of daylight    Yesterday: 12:57 of daylight
 

Centretown

Airport

   Sunrise:

    06:33     06:32

   Sunset:

    19:27     19:28
 

   Normal High:

   

   Normal Low:

   

   Record High:

(2002) (2002)

   Record Low:

(2024) (2013)
 
   

Centretown

 

Airport

   Sunrise:

    06:32     06:31

   Sunset:

    19:29     19:30
 

   High:

(16:14) (15:00)

   Low:

(00:59) (00:00)

   Precip:

   

   Sunshine:

07:50          
  

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

 
   
"Hurroncane" - Thu, September 11 @ 01:00 (-2d, 1h, 50m)
On this day in 1996 (29 years ago), a subtropical cyclone formed in Lake Huron, reaching Tropical Storm intensity. It was the only recorded instance of a warm-core cyclone forming in the Great Lakes region.
   
Last Quarter - Sat, September 13 @ 22:32 (-4d, 23h, 22m)
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
   
Hurricane Fiona - Sun, September 14 @ 01:00 (-5d, 1h, 50m)
On this day in 2022, Hurricane Fiona formed, going on to strike Nova Scotia, Quebec, and Newfoundland and Labrador.
   - times in EST or EDT according to date of event
  

   Recent Events (Reverse Order; Last 7 days: 6):

 
   
Total Lunar Eclipse - Sun, September 7 @ 11:28 (+1d, 11h, 42m)
A total lunar eclipse will be visible from Asia, Africa, Europe, Australia, and the polar regions.
   
Full Moon - Sun, September 7 @ 06:08 (+1d, 17h, 2m)
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
   
Allied Invasion of Italy - Wed, September 3 @ 01:00 (+5d, 22h, 10m)
On this day in 1943, allied forces invaded southern Italy and began fighting their way north.
   
World War II ended - Tue, September 2 @ 01:00 (+6d, 22h, 10m)
World War II officially ended on this day in 1945, with the signing of formal surrender documents by the Japanese, aboard the US battleship Missouri, in Tokyo Bay. Japan's final surrender was precipitated by the nuclear bombings of Hiroshima and Nagasaki a few weeks earlier.
   
World War II began - Mon, September 1 @ 01:00 (+7d, 22h, 10m)
The global conflagration known as World War II began on this date, in 1939. It began with the German invasion of Poland, and ended six years later with the defeat of Germany and the nuclear bombing of Japan. Canada played a signficant role in the war, first protecting trans-Atlantic shipping, then by contributing great numbers of aircraft and crew, and finally by fielding a large army in Europe, playing a major role in the liberation of the Netherlands.
   
Alberta and Saskatchewan Join Confederation - Mon, September 1 @ 01:00 (+7d, 22h, 10m)
Today marks 120 years since Alberta and Saskatchewan joined the Canadian Confederation in 1905.
   - 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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