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)	Relative humidity (%)	Dew point (°C)	Dew point (°F)	Pressure (kPa)	Pressure (inches)	Visibility (km)	Visibility (mi)
15 June 2026
23:00	Mainly Clear	13 (12.6)	55 (54.7)	SW 11	SW 7	82	10	49	100.9	29.8	24	15
22:00	Mainly Clear	13 (12.8)	55 (55.0)	SW 10	SW 6	81	10	50	100.9	29.8	24	15
21:00	Mainly Clear	14 (13.5)	56 (56.3)	SW 10	SW 6	75	9	49	100.9	29.8	24	15
20:00	Mostly Cloudy	16 (15.8)	60 (60.4)	WSW 8	WSW 5	69	10	50	100.9	29.8	24	15
19:00	Mostly Cloudy	16 (15.8)	60 (60.4)	W 15	W 9	62	9	48	100.9	29.8	24	15
18:00	Mostly Cloudy	17 (16.5)	62 (61.7)	WNW 18	WNW 11	59	8	47	100.8	29.8	24	15
17:00	Mostly Cloudy	17 (17.1)	63 (62.8)	WNW 23	WNW 14	56	8	47	100.8	29.8	24	15
16:00	Mostly Cloudy	18 (18.0)	64 (64.4)	WSW 22 gusts 34	WSW 14 gusts 21	55	9	48	100.7	29.7	24	15
15:00	Mostly Cloudy	17 (16.8)	62 (62.2)	WNW 24	WNW 15	60	9	48	100.7	29.7	24	15
14:00	Mostly Cloudy	17 (17.2)	63 (63.0)	WNW 28	WNW 17	58	9	48	100.7	29.7	24	15
13:00	Mostly Cloudy	16 (16.1)	61 (61.0)	WNW 19 gusts 30	WNW 12 gusts 19	61	9	48	100.7	29.7	24	15
12:00	Mostly Cloudy	18 (18.1)	65 (64.6)	W 27	W 17	59	10	50	100.7	29.7	24	15
11:00	Mostly Cloudy	17 (17.1)	63 (62.8)	WNW 22	WNW 14	64	10	51	100.7	29.7	24	15
10:00	Mostly Cloudy	16 (15.8)	60 (60.4)	WNW 17	WNW 11	75	11	52	100.6	29.7	24	15
09:00	Mostly Cloudy	14 (14.3)	58 (57.7)	WNW 17	WNW 11	83	12	53	100.6	29.7	24	15
08:00	Mostly Cloudy	14 (13.7)	57 (56.7)	W 17 gusts 27	W 11 gusts 17	90	12	54	100.6	29.7	24	15
07:00	Mostly Cloudy	13 (13.0)	55 (55.4)	W 13	W 8	95	12	54	100.5	29.7	24	15
06:00	Mostly Cloudy	13 (12.6)	55 (54.7)	W 13	W 8	96	12	54	100.5	29.7	24	15
05:00	Mostly Cloudy	12 (12.2)	54 (54.0)	WSW 13	WSW 8	96	12	53	100.4	29.6	24	15
04:00	Partly Cloudy	13 (12.5)	55 (54.5)	W 16	W 10	96	12	53	100.4	29.6	24	15
03:00	Mainly Clear	13 (12.8)	55 (55.0)	WSW 15	WSW 9	97	12	54	100.3	29.6	24	15
02:00	Mainly Clear	13 (13.1)	56 (55.6)	WSW 13	WSW 8	98	13	55	100.3	29.6	24	15
01:00	Partly Cloudy	14 (13.7)	57 (56.7)	WSW 8	WSW 5	98	13	56	100.3	29.6	24	15
00:00	Mostly Cloudy	14 (14.0)	57 (57.2)	SW 9	SW 6	98	14	57	100.4	29.6	24	15
14 June 2026
23:00	Mostly Cloudy	14 (14.2)	58 (57.6)	WSW 5	WSW 3	97	14	57	100.3	29.6	24	15

Legend

n/a: not available

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

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