Ottawatemperature
It is 37.2°F at OTTAWA CDA RCS, ONT, 19:00 local on Thursday. Ottawa is the 209th hottest of 230 capitals by annual mean.
4 readings held for the last 24 hours, every one of them checked before it appeared.
Source: WMO SYNOP bulletins
Normal for 31 October here is a high of 50.7°F.
Source: WMO SYNOP bulletins · normals from NOAA GHCN-Daily
9 August 2001. The highest daily maximum in the record for this station.
Source: GHCN-Daily, 2000 to 2026
4 February 2023. The lowest daily minimum in the record for this station.
Source: GHCN-Daily, 2000 to 2026
Where Ottawa stands
Ottawa by month
Normal high · record high with its day · record low with its day- Jan23.4°FHigh 53.2°F · 30 Jan 2013Low −25.2°F · 21 Jan 2022
- Feb26.6°FHigh 59.2°F · 28 Feb 2024Low −26.5°F · 4 Feb 2023
- Mar37.2°FHigh 79.7°F · 21 Mar 2012Low −19.5°F · 3 Mar 2003
- Apr52.9°FHigh 87.3°F · 27 Apr 2009Low 11.7°F · 5 Apr 2004
- May67.1°FHigh 95.4°F · 26 May 2010Low 27.1°F · 9 May 2020
- Jun75.6°FHigh 95.2°F · 23 Jun 2025Low 38.1°F · 1 Jun 2020
- Jul · warmest
Nearby, hottest and coldest
Within 84 km · 6 stations reporting26 Julys at OTTAWA CDA RCS, ONT
Full trend →Capitals with a similar climate
The capitals immediately warmer and cooler than Ottawa by annual mean.
How Ottawa’s temperature has been recorded
How hot does it get in Ottawa?
July is the warmest month at OTTAWA CDA RCS, ONT, averaging a daily high of 80.4°F. That is an average of every July day in the archive, not a record: the highest single reading is below.
How cold does it get in Ottawa?
January is the coolest month, averaging a daily high of 23.4°F. The gap between the warmest and coolest month is 89.1°F, which is what the ranking of capitals by annual swing is built on.
What is the highest temperature ever recorded in Ottawa?
98.8°F, on 9 August 2001, in the record held for OTTAWA CDA RCS, 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?
−26.5°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.
What is the weather in Ottawa right now?
Sources and checks for this page
Live readings come from WMO SYNOP bulletins at OTTAWA CDA RCS, 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.