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 11:29 EDT
   Local Sky: Sunny
   Airport: Sunny

	Centretown		Airport
Temperature:
Humidex:
Wind Chill Index:
Relative Humidity:	62	%	69	%
Dew Point:
Precipitation Today:
Sunshine Today:	03:55

	Centretown		Airport
Barometric Pressure:
- Trend:	Falling		Falling
Winds:	SE at		NNW at
- Bearing (approx.):	135	°	338	°
- Recent Gust:				km/h
Visibility:
Capture Accuracy:	701/702 (99.86%)

Webcams and Radar:

CTO Webcam:	Parliament Hill Webcam:	EC Local Radar:	EC National Radar:

Current Official Forecast:

[Source]

Forecasts issued Mon, October 27, 2025 at 11:00:

Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday



POP 0%	POP 0%	POP 0%	POP 0%	POP 0%	POP 30%	POP 30%

Monday night	Tuesday night	Wednesday night	Thursday night	Friday night	Saturday night



POP 0%	POP 0%	POP 30%	POP 0%	POP 60%	POP 30%

Monday: Mainly sunny. High 12. 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 10.
Wednesday night: Cloudy periods with 30 percent chance of showers. Low minus 2. POP 30%.
Thursday: Showers. High 8.
Thursday night: Showers. Low 6.
Friday: Showers. High 11.
Friday night: Cloudy with 60 percent chance of showers. Low plus 4. POP 60%.
Saturday: Cloudy with 30 percent chance of showers. High 6. POP 30%.
Saturday night: Cloudy with 30 percent chance of showers. Low plus 2. POP 30%.
Sunday: Cloudy with 30 percent chance of showers. High 7. POP 30%.

Regional Watches and Warnings:

Current Satellite Imagery:

S. and E. Ontario:

Marine - Great Lakes:

Visible:

Infrared:

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, 16h, 50m) A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
	Hallowe'en - Fri, October 31 @ 01:00 (-3d, 13h, 30m) 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, 14h, 30m) 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, 10h, 30m) 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, 11h, 5m) 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:

Space Weather Dashboard:

Tropical Weather (NOAA):

Canadian Hurricane Centre:

Regional Temperatures (Cities Clickable):

National Temperatures (Cities Clickable):

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This page was last regenerated 2025-10-27@11:30.
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