YOW Weather Records

🥇With a low of 3.1°C, yesterday was #Ottawa's highest low temperature recorded on Mar 8th since records began in 1873. #YowWx #OttWeather #YOW #OttNews #ONWx

Today is #Ottawa's 3rd consecutive day with maximum temperature ≥ 9°C. This is the longest run before March 10 in more than 18 years, since Jan 9th, 2008. #YowWx #OttWeather #YOW #OttNews #ONWx

Today is #Ottawa's first 12°C of the year. Typical first is March 28. Record earliest is Jan 4, 1874; latest Apr 28, 1887/1972. #YowWx #OttWeather

Today is #Ottawa's first 11°C of the year. Typical first is March 12. Record earliest is Jan 1, 1876; latest Apr 25, 1888. #YowWx #OttWeather

After almost 2 full months with above-median snow depth, these last 3 days have finally dipped below the median.

🥇With a 7pm rain total of 26.0mm, today is #Ottawa's wettest Mar 7th since records began in 1873. #YowWx #OttWeather #YOW #OttNews #ONWx

With 26.0mm of rain, today is #Ottawa's wettest day since Oct 30th. #YowWx #OttWeather

Today is #Ottawa's first 10°C of the year. Typical first is March 10. Record earliest is Jan 1, 1876; latest Apr 25, 1888. #YowWx #OttWeather

Today is #Ottawa's first 9°C of the year. Typical first is March 8. Record earliest is Jan 1, 1876/1966/2011; latest Apr 25, 1888. #YowWx #OttWeather

Today is #Ottawa's first 8°C of the year. Typical first is February 18. Record earliest is Jan 1, 1876/.../2011; latest Apr 22, 1939. #YowWx #OttWeather

With 16.9mm of rain, today is #Ottawa's wettest day since 🎃Halloween🎃. #YowWx #OttWeather

Winter is not over. More snow next week after spring weather. Details here (free for members): https://buymeacoffee.com/rolfcampbell/winter-4557305

As for rain. We almost always measure rain in mm. There was also snow, but this is just talking about rain.

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#Ottawa just had its driest meteorological winter since meteorological winter 1943. Total rain was just 16.5 mm. #YowWx #OttWeather #OttNews

#Ottawa just had its coldest meteorological winter since meteorological winter 2014. Mean temperature was just -9.1°C. #YowWx #OttWeather

We did. More than normal, but very little rain.

For only the 7th time in recorded history, #Ottawa had less than 129mm of precipitation during a meteorological winter (meteorological winter 2025). #YowWx #OttWeather

#Ottawa just had its driest February since February 2015. Mean Humidity was just 67.9%. #YowWx #OttWeather

#Ottawa just had its driest meteorological winter since meteorological winter 2014. Total precipitation was just 128.5 mm. #YowWx #OttWeather

During February 2026, #Ottawa had 11 above median days and 16 below median days (by maximum temperature). #YowWx #OttWeather

February summary: #Ottawa broke (or almost broke) 2 records during February. #YowWx #OttWeather

#Ottawa's weather extremes for meteorological winter 2026: #YowWx #OttWeather

#Ottawa's weather extremes for February 2026: #YowWx #OttWeather

Tomorrow's forecast low of -28°C would be the lowest temperature #Ottawa has recorded on Mar 2nd since 1936. #YowWx #OttWeather

What about today?

Historically, today is #Ottawa's first day of the year with a median high temperature ≥ 0°C. #YowWx #OttWeather

Heavy snow likely tonight. Details here (free for members): https://buymeacoffee.com/rolfcampbell/heavy-snow-tonight

Streak over. After 33 consecutive days with maximum temperature < 1°C in #Ottawa, the maximum temperature was 3.5°C yesterday. This was the longest run in almost 11 years, since Mar 3rd, 2015. #YowWx #OttWeather #YOW #OttNews #ONWx

Two smallish snowstorms possible over the next 10 days. Details here (free for members): https://buymeacoffee.com/rolfcampbell/possible-snowstorm-friday-next-wednesday