Ottawa
It is 55.9°F at Ottawa Int'L. Ont., 08:00 local on Monday. Ottawa is the 124th hottest of 139 capitals by annual mean, and the 200th hottest capital right now.
08:00 local · Monday 28 September 2026
Source: WMO SYNOP bulletins
Normal for this date here is a high of 68.0°F.
Friday, 10 July 2020
Source: GHCN-Daily
Saturday, 4 February 2023
Source: GHCN-Daily
The record for 28 September here is 80.6°F, set in 2020. Today reached 59.0°F.
The whole record bookKuwait City, at 114.8°F. The two ends of the capitals table right now.
See Kuwait CityWhere Ottawa stands
- Among capitals, annual mean
- #124
- of 139
- Among capitals, right now
- #200
- of 213 reporting
- Hottest month
- July
- 82.0°F
- Widest annual swing
- #3
- of 139
Ottawa by month
Normal high · record high · record low- Jan23.7°FHigh 53.4°F · 12 Jan 2018Low −22.4°F · 1 Jan 2018
- Feb26.6°FHigh 60.3°F · 28 Feb 2024Low −27.6°F · 4 Feb 2023
- Mar37.0°FHigh 81.3°F · 21 Mar 2012Low −10.3°F · 6 Mar 2015
- Apr52.5°FHigh 86.4°F · 13 Apr 2023Low 11.1°F · 5 Apr 2018
- May68.9°FHigh 95.0°F · 27 May 2020Low 23.7°F · 12 May 2020
- Jun76.3°FHigh 95.2°F · 1 Jun 2023Low 33.3°F · 1 Jun 2020
- Jul · warmest
Nearby, hottest and coldest
8 of 8 nearby stations reported today.
Capitals with a similar climate
The capitals immediately warmer and cooler than Ottawa by annual mean.
How Ottawa’s temperature has been recorded
When did temperature records begin in Ottawa?
The archive held here for Ottawa, Canada starts in 2011, which is 13 years of record, across 8,923 days with a stored reading.
Which station measures Ottawa's temperature?
Ottawa Int'L. Ont. (CYOW), 116 m above sea level. Every figure on this page comes from that one station rather than from a city-wide average, so it is a measurement at a known place rather than an estimate for an area.
What is the highest temperature ever recorded in Ottawa?
98.4°F, on 10 July 2020, in the record held for Ottawa Int'L. Ont.. That is the highest daily maximum in the archive for this station, not a national record and not an official figure: those are set by national meteorological services.
What is the lowest temperature ever recorded in Ottawa?
−27.6°F, on 4 February 2023, in the same archive. Like the high, it is the lowest daily minimum this station has recorded rather than an official national figure.
How is the temperature measured and checked?
Sources and checks for this page
Live readings come from WMO SYNOP bulletins at Ottawa Int'L. Ont.. Monthly means and every record on this page are computed from NOAA GHCN-Daily observations stored per station, per year, per month, and the capital list is GeoNames, CC BY 4.0. Nothing here is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. See how this is built.