December 22, 2024 at 2:30 PM
September summary: #Ottawa broke (or almost broke) 0 records during September. #YowWx #OttWeather
October 2, 2026 at 12:19 PM
September summary: #Ottawa broke (or almost broke) 0 records during September. #YowWx #OttWeather
For only the 12th time in recorded history, #Ottawa stayed above 3.9°C during an entire September (September 2026). #YowWx #OttWeather
October 3, 2026 at 11:46 AM
For only the 12th time in recorded history, #Ottawa stayed above 3.9°C during an entire September (September 2026). #YowWx #OttWeather
December 28, 2024 at 2:17 PM
#Ottawa just had its lowest September maximum temperature since September 2009. The maximum temperature was 26.6°C. #YowWx #OttWeather
October 3, 2026 at 11:01 AM
#Ottawa just had its lowest September maximum temperature since September 2009. The maximum temperature was 26.6°C. #YowWx #OttWeather
During September 2026, #Ottawa had 15 above median days and 15 below median days (by maximum temperature). #YowWx #OttWeather
October 2, 2026 at 12:34 PM
During September 2026, #Ottawa had 15 above median days and 15 below median days (by maximum temperature). #YowWx #OttWeather
#Ottawa white Christmases over the past 50 years (2025 edition) #YowWx #OttWeather #OttNews
December 25, 2025 at 12:37 PM
#Ottawa white Christmases over the past 50 years (2025 edition) #YowWx #OttWeather #OttNews
#Ottawa's weather extremes for September 2026: #YowWx #OttWeather
October 2, 2026 at 12:04 PM
#Ottawa's weather extremes for September 2026: #YowWx #OttWeather
CONSTANT lightning in the west end of Ottawa! 9:20pm #onstorm #ottweather
July 1, 2026 at 1:29 AM
CONSTANT lightning in the west end of Ottawa! 9:20pm #onstorm #ottweather
Today is the 2nd rainiest day on record in #Ottawa: 111.4mm. #YowWx #OttWeather #YOW #OttNews #ONWx
July 2, 2026 at 12:49 AM
Today is the 2nd rainiest day on record in #Ottawa: 111.4mm. #YowWx #OttWeather #YOW #OttNews #ONWx
Instead of watching any news today, I reflooded the rink!
The soundtrack was provided by tree swallows and ravens
-17c (1.4f)
#ODR #Ottawa #Ottweather #Ontario #Canada
The soundtrack was provided by tree swallows and ravens
-17c (1.4f)
#ODR #Ottawa #Ottweather #Ontario #Canada
January 20, 2025 at 8:57 PM
Instead of watching any news today, I reflooded the rink!
The soundtrack was provided by tree swallows and ravens
-17c (1.4f)
#ODR #Ottawa #Ottweather #Ontario #Canada
The soundtrack was provided by tree swallows and ravens
-17c (1.4f)
#ODR #Ottawa #Ottweather #Ontario #Canada
OMG what a glorious day! Get out there if you can!
#ottweather
#ottweather
February 14, 2026 at 3:46 PM
OMG what a glorious day! Get out there if you can!
#ottweather
#ottweather
🥇Wednesday was #Ottawa's 30th consecutive September day with minimum temperature ≥4°C which puts this run in a 11-way tie for 1st place for the longest run on record. #YowWx #OttWeather #YOW #OttNews #ONWx
October 3, 2026 at 11:16 AM
🥇Wednesday was #Ottawa's 30th consecutive September day with minimum temperature ≥4°C which puts this run in a 11-way tie for 1st place for the longest run on record. #YowWx #OttWeather #YOW #OttNews #ONWx
Extremely dangerous tornado warned storm coming into Ottawa's west end at Kinburn #onstorm #ottweather 9:00pm
July 1, 2026 at 1:01 AM
Extremely dangerous tornado warned storm coming into Ottawa's west end at Kinburn #onstorm #ottweather 9:00pm
March 16, 2025 at 9:48 PM
Currently hailing over Centretown!
#ottweather
#ottweather
July 15, 2026 at 2:22 AM
Currently hailing over Centretown!
#ottweather
#ottweather
#Ottawa's in 2nd place for most rain year-to-date Aug 23. #YowWx #OttWeather
August 24, 2026 at 12:07 AM
#Ottawa's in 2nd place for most rain year-to-date Aug 23. #YowWx #OttWeather
Over the past 152 years, #Ottawa's mean temperature has increased by 2.2 ± 0.5°C (95% CI). #YowWx #OttWeather #OttNews
January 2, 2026 at 11:51 AM
Over the past 152 years, #Ottawa's mean temperature has increased by 2.2 ± 0.5°C (95% CI). #YowWx #OttWeather #OttNews
March 20, 2025 at 3:00 PM
#Ottawa's total rain so far this year is 619.2 mm, 53% above the July 29 median of 404.3 mm #YowWx #OttWeather
July 30, 2026 at 12:38 AM
#Ottawa's total rain so far this year is 619.2 mm, 53% above the July 29 median of 404.3 mm #YowWx #OttWeather
🥈Yesterday was #Ottawa's 20th consecutive September day with <1mm of precip which puts this run in 2nd place for the longest run on record. #YowWx #OttWeather #YOW #OttNews #ONWx
October 1, 2026 at 12:10 AM
🥈Yesterday was #Ottawa's 20th consecutive September day with <1mm of precip which puts this run in 2nd place for the longest run on record. #YowWx #OttWeather #YOW #OttNews #ONWx
Today is the rainiest July day on record in #Ottawa: 111.4mm. #YowWx #OttWeather #YOW #OttNews #ONWx
July 2, 2026 at 1:04 AM
Today is the rainiest July day on record in #Ottawa: 111.4mm. #YowWx #OttWeather #YOW #OttNews #ONWx
With 45cm of snow-on-the-ground, today is #Ottawa's deepest day since Mar 10th, 2023. #YowWx #OttWeather
February 13, 2025 at 12:29 PM
With 45cm of snow-on-the-ground, today is #Ottawa's deepest day since Mar 10th, 2023. #YowWx #OttWeather
Historically, today is #Ottawa's last day of the year with a median high temperature ≥ 20°C. #YowWx #OttWeather
September 27, 2026 at 6:08 AM
Historically, today is #Ottawa's last day of the year with a median high temperature ≥ 20°C. #YowWx #OttWeather