Ottawa Macdonald-Cartier Int'l Airport, Ontario

Latitude 45.32° N | Longitude 75.67° W

Past 24 Hour Conditions

Imperial units
Graphic

Date / Time (EDT)	Conditions	Temperature (°C)	Temperature (°F)	Wind (km/h)	Wind (mph)	Wind chill	Wind chill	Humidex	Humidex	Relative humidity (%)	Dew point (°C)	Dew point (°F)	Pressure (kPa)	Pressure (inches)	Visibility (km)	Visibility (mi)
30 April 2025
15:00	Partly Cloudy	8 (8.0)	46 (46.4)	W 13	W 8	*	*	*	*	39	-5	23	102.2	30.2	24	15
14:00	Mainly Sunny	6 (6.3)	43 (43.3)	WNW 17	WNW 11	*	*	*	*	44	-5	23	102.2	30.2	24	15
13:00	Mainly Sunny	5 (4.8)	41 (40.6)	NW 13	NW 8	*	*	*	*	44	-6	21	102.2	30.2	24	15
12:00	Mainly Sunny	3 (3.1)	38 (37.6)	WNW 13	WNW 8	*	*	*	*	47	-7	19	102.2	30.2	24	15
11:00	Mainly Sunny	3 (2.9)	37 (37.2)	WNW 15 gusts 33	WNW 9 gusts 21	*	*	*	*	51	-6	21	102.3	30.2	24	15
10:00	Mainly Sunny	2 (1.8)	35 (35.2)	NNW 22	NNW 14	*	*	*	*	57	-6	21	102.3	30.2	24	15
09:00	Mainly Sunny	1 (0.9)	34 (33.6)	NW 24 gusts 36	NW 15 gusts 22	*	*	*	*	53	-8	18	102.2	30.2	24	15
08:00	Partly Cloudy	0 (0.0)	32 (32.0)	WNW 17	WNW 11	-5	23	*	*	65	-6	22	102.1	30.2	24	15
07:00	Mostly Cloudy	-1 (-0.6)	31 (30.9)	WNW 23 gusts 34	WNW 14 gusts 21	-6	21	*	*	71	-5	23	102.0	30.1	24	15
06:00	Mostly Cloudy	0 (0.0)	32 (32.0)	NNW 20 gusts 30	NNW 12 gusts 19	-5	23	*	*	71	-5	24	101.8	30.1	24	15
05:00	Mostly Cloudy	0 (0.0)	32 (32.0)	NNW 21 gusts 34	NNW 13 gusts 21	-5	23	*	*	72	-4	24	101.7	30.0	24	15
04:00	Mainly Clear	0 (0.2)	32 (32.4)	NW 34	NW 21	*	*	*	*	70	-5	24	101.6	30.0	24	15
03:00	Mainly Clear	1 (1.2)	34 (34.2)	NW 31 gusts 43	NW 19 gusts 27	*	*	*	*	71	-4	26	101.4	29.9	24	15
02:00	Mainly Clear	3 (3.0)	37 (37.4)	WNW 41 gusts 56	WNW 25 gusts 35	*	*	*	*	67	-3	28	101.2	29.9	24	15
01:00	Partly Cloudy	5 (5.0)	41 (41.0)	WNW 37 gusts 58	WNW 23 gusts 36	*	*	*	*	70	0	32	101.0	29.8	24	15
00:00	Mainly Clear	9 (8.9)	48 (48.0)	WNW 41 gusts 64	WNW 25 gusts 40	*	*	*	*	70	4	39	100.6	29.7	24	15
29 April 2025
23:00	Mainly Clear	16 (15.6)	60 (60.1)	WSW 38 gusts 52	WSW 24 gusts 32	*	*	*	*	61	8	47	100.3	29.6	24	15
22:00	Mainly Clear	18 (17.8)	64 (64.0)	WSW 29 gusts 41	WSW 18 gusts 25	*	*	*	*	78	14	57	100.1	29.6	24	15
21:00	Mostly Cloudy	19 (18.9)	66 (66.0)	SW 27 gusts 49	SW 17 gusts 30	*	*	*	*	75	14	58	100.1	29.6	24	15
20:00	Mostly Cloudy	18 (18.4)	65 (65.1)	SW 17 gusts 29	SW 11 gusts 18	*	*	*	*	80	15	59	100.0	29.5	24	15
19:00	Mostly Cloudy	17 (17.1)	63 (62.8)	SSW 22 gusts 34	SSW 14 gusts 21	*	*	*	*	87	15	59	100.0	29.5	24	15
18:00	Mostly Cloudy	24 (24.2)	76 (75.6)	SW 35 gusts 57	SW 22 gusts 35	*	*	30	86	65	17	63	100.0	29.5	13	8
17:00	Mostly Cloudy	24 (24.0)	75 (75.2)	SSW 36 gusts 56	SSW 22 gusts 35	*	*	29	84	65	17	62	100.0	29.5	24	15
16:00	Mostly Cloudy	23 (23.3)	74 (73.9)	SSW 35 gusts 52	SSW 22 gusts 32	*	*	29	84	68	17	63	100.1	29.6	24	15
15:00	Mostly Cloudy	20 (20.1)	68 (68.2)	SSW 27 gusts 46	SSW 17 gusts 29	*	*	25	77	76	16	60	100.3	29.6	16	10

Legend

n/a: not available

*: value not significant

This table displays weather elements available for this station

Highest temperature

Lowest temperature

Equal temperature values are all highlighted

This is an automated product, generated using preliminary data.

If you require additional historical weather information, please visit Climate website.

Highlighting criteria

Significant Weather Conditions

To highlight potentially dangerous weather conditions the following are displayed in bold characters:

Tornado
Funnel Cloud
Thunderstorm
Lightning
Hail
Freezing precipitation
Heavy precipitation
Any other weather condition, if the visibility is 1.0 km0.6 miles or less

In addition some weather elements are displayed in bold characters when they reach the following values:

Temperatures:

Hot: 30.0°C86°F and higher
Cold: -30.0°C-22°F and lower

Humidex:

Values of 3595 and more

Wind chill

Values of -35-31 and below

Winds:

Mean speed of 60 km/h37 mph or more
Gust speed of 90 km/h56 mph or more

Visibility:

1.0 km0.6 miles or less along with the weather conditions

How to use

Add to shortcuts
- Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button
- Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired name
- Click on the "Save" button to add the link to the list
- Click on the "X" button to close the panel
Delete a link
- Click on the "Organize shortcuts" button
- Select the link to delete
- Click on the "Delete" button to remove the link from the list
- Click on the "Close" button to save the change
Move a link up/down the list
- Click on the "Organize shortcuts" button
- Click and hold the link and move to new location in the list
- Click on the "Close" button to save the change
Rename a link
- Click on the "Organize shortcuts" button
- Select the link to rename
- Click on the "Rename" button and change the link name
- Click the enter or tab key
- Click on the "Close" button to save the change
Keyboard navigation
- Use the Tab key to move to a button or link
- Use the Enter key to click on buttons or links
- Organize shortcuts navigation
  - Use the ↑ Up key to select the link above. If none are selected, it will select the first link.
  - Use the ↓ Down key to select the link below. If none are selected, it will select the last link.
  - Use the Page Up key to move a selection up in the list.
  - Use the Page Down key to move a selection down in the list.
Restore default list

Warning: Clicking on the button below will remove all your customized links.

Feedbackabout this web site

Date modified:: 2025-04-30

Language selection

Search

Ottawa Macdonald-Cartier Int'l Airport, Ontario

Past 24 Hour Conditions

Add this page

Ottawa Macdonald-Cartier Int'l Airport, Ontario

No shortcuts

Add this page

Add to shortcuts

Rename shortcut

Add to shortcuts