Centretown Observatory:

Current Weather

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

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   Latest Observations from CTO Weather Centre - Monday, October 6, 2025 at 18:14 EDT
   Local Sky: Sunny
   Airport: Mostly Cloudy

 

Centretown   

Airport   

   Temperature:

   Humidex:

   

   Wind Chill Index:

   

   Relative Humidity:

46

%

47 %

   Dew Point:

   Precipitation Today:

   

   Sunshine Today:

10:35

     
 

Centretown   

Airport   

   Barometric Pressure:

 

   - Trend:

Falling

  Falling    

   Winds:

WNW at

SSW at  

   - Bearing (approx.):

293 ° 203 °  

   - Recent Gust:

     km/h  

   Visibility:

     

   Capture Accuracy:

1431/1431 (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 6, 2025 at 15:44:

Tuesday Wednesday Thursday Friday Saturday Sunday
POP 0% POP 0% POP 0% POP 0% POP 0% POP 0%
Monday night Tuesday night Wednesday night Thursday night Friday night Saturday night  
 
 
 
POP 0% POP 40% POP 0% POP 0% POP 0% POP 0%  
Monday night: Clear. Wind southwest 20 km/h gusting to 40 becoming light this evening. Low 17.
Tuesday: A few showers ending late in the afternoon then cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the morning and in the afternoon. Amount 10 to 20 mm. Wind becoming southwest 20 km/h near noon. High 22 with temperature falling to 16 in the afternoon. Humidex 27. UV index 2 or low.
Tuesday night: Cloudy. 40 percent chance of showers early in the evening. Clearing after midnight. Low 6. POP 40%.
Wednesday: Sunny. High 15.
Wednesday night: Clear. Low plus 1.
Thursday: Sunny. High 13.
Thursday night: Clear. Low minus 1.
Friday: Sunny. High 16.
Friday night: Cloudy periods. Low 7.
Saturday: A mix of sun and cloud. High 18.
Saturday night: Clear. Low plus 5.
Sunday: Sunny. High 18.
 

   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: 11:25 of daylight    Yesterday: 11:29 of daylight
 

Centretown

Airport

   Sunrise:

    07:08     07:07

   Sunset:

    18:33     18:34
 

   Normal High:

   

   Normal Low:

   

   Record High:

(2021) (1946)

   Record Low:

(2003) (2024)
 
   

Centretown

 

Airport

   Sunrise:

    07:06     07:06

   Sunset:

    18:35     18:36
 

   High:

(16:09) (15:00)

   Low:

(07:09) (05:53)

   Precip:

   

   Sunshine:

11:30          
  

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

 
   
Full Moon - Mon, October 6 @ 15:47 (+0d, 2h, 28m)
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
   
Kepler's Supernova - Wed, October 8 @ 01:00 (-1d, 6h, 45m)
On this day in 1604, the famed astronmer Johannes Kepler spied a supernova in Ophiuchus. The second in about 34 years (see Tycho's Supernova, Nov. 15), and designated SN 1604, this detonation of a distant star was bright enough to be visible during the day. Thus far, it has been the last naked-eye supernova in the Milky Way. Its remnant is the subject of ongoing study.
   
Last Quarter - Mon, October 13 @ 06:12 (-6d, 11h, 57m)
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
   - times in EST or EDT according to date of event
  

   Recent Events (Reverse Order; Last 7 days: 4):

 
   
Sputnik 1 Launched - Sat, October 4 @ 01:00 (+2d, 17h, 15m)
On this day in 1957, the Soviet Union launched the first artificial satellite, Sputnik 1, into orbit. The launch threw a scare into the West and completely overshadowed the official rollout of the Avro Arrow interceptor aircraft.
   
First Quarter - Mon, September 29 @ 11:53 (+7d, 6h, 22m)
A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
   
Hurricane Juan - Mon, September 29 @ 01:00 (+7d, 17h, 15m)
On this day in 2003, hurricane Juan made landfall in Nova Scotia, as a Category-Two storm. The hurricane's arrival coincided with a high tide, and the resultant storm surge caused massive damage and significant coastal erosion.
   
Alouette I launched. - Mon, September 29 @ 01:00 (+7d, 17h, 15m)
Canada's first space satellite, Alouette 1, was launched in 1962 and remains in orbit, though no longer functional.
   - 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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