YOW Weather Records
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With a high of just -7.4°C, yesterday was #Ottawa's coldest day since Mar 2nd. #YowWx #OttWeather
December 6, 2025 at 11:10 AM
With a high of just -7.4°C, yesterday was #Ottawa's coldest day since Mar 2nd. #YowWx #OttWeather
🥈With a max gust of 76km/h, yesterday was #Ottawa's windiest Dec 4th in 70 years, since 1955. #YowWx #OttWeather #YOW #ONWx
December 5, 2025 at 11:41 AM
🥈With a max gust of 76km/h, yesterday was #Ottawa's windiest Dec 4th in 70 years, since 1955. #YowWx #OttWeather #YOW #ONWx
With a wind gust of 76km/h, yesterday was #Ottawa's windiest day since Apr 29th. #YowWx #OttWeather
December 5, 2025 at 11:26 AM
With a wind gust of 76km/h, yesterday was #Ottawa's windiest day since Apr 29th. #YowWx #OttWeather
Today's ~3am temperature (-22.2°C) was #Ottawa's coldest temperature since Mar 3rd. #YowWx #OttWeather
December 5, 2025 at 11:11 AM
Today's ~3am temperature (-22.2°C) was #Ottawa's coldest temperature since Mar 3rd. #YowWx #OttWeather
Today is #Ottawa's first -22°C of the season, which is the earliest since 1989-12-05. Typical first is January 3. Record earliest is Nov 19, 1933; latest never, 2001/2005/2023. #YowWx #OttWeather #YOW #OttNews #ONWx
December 5, 2025 at 8:02 AM
Today is #Ottawa's first -22°C of the season, which is the earliest since 1989-12-05. Typical first is January 3. Record earliest is Nov 19, 1933; latest never, 2001/2005/2023. #YowWx #OttWeather #YOW #OttNews #ONWx
Today is #Ottawa's first -21°C of the season. Typical first is December 31. Record earliest is Nov 19, 1933; latest never, 2023. #YowWx #OttWeather
December 5, 2025 at 7:18 AM
Today is #Ottawa's first -21°C of the season. Typical first is December 31. Record earliest is Nov 19, 1933; latest never, 2023. #YowWx #OttWeather
Today is #Ottawa's first -20°C of the season. Typical first is December 29. Record earliest is Nov 16, 1883; latest never, 2023. #YowWx #OttWeather
December 5, 2025 at 7:03 AM
Today is #Ottawa's first -20°C of the season. Typical first is December 29. Record earliest is Nov 16, 1883; latest never, 2023. #YowWx #OttWeather
Today is #Ottawa's first -19°C of the season. Typical first is December 22. Record earliest is Nov 16, 1883; latest never, 2023. #YowWx #OttWeather
December 5, 2025 at 4:03 AM
Today is #Ottawa's first -19°C of the season. Typical first is December 22. Record earliest is Nov 16, 1883; latest never, 2023. #YowWx #OttWeather
With a forecast windchill of -32, tomorrow could be #Ottawa's windchilliest Dec 5th since records began in 1953. #YowWx #OttWeather
December 5, 2025 at 2:18 AM
With a forecast windchill of -32, tomorrow could be #Ottawa's windchilliest Dec 5th since records began in 1953. #YowWx #OttWeather
Tomorrow's forecast low of -24°C would be the lowest temperature #Ottawa has recorded on Dec 5th since 1893. #YowWx #OttWeather
December 5, 2025 at 2:03 AM
Tomorrow's forecast low of -24°C would be the lowest temperature #Ottawa has recorded on Dec 5th since 1893. #YowWx #OttWeather
Today is #Ottawa's first -27 windchill of the season. Typical first is December 28. Record earliest is Nov 21, 2018; latest Feb 5, 2002. #YowWx #OttWeather
December 5, 2025 at 1:48 AM
Today is #Ottawa's first -27 windchill of the season. Typical first is December 28. Record earliest is Nov 21, 2018; latest Feb 5, 2002. #YowWx #OttWeather
Today is #Ottawa's first -26 windchill of the season. Typical first is December 21. Record earliest is Nov 13, 2019; latest Feb 2, 2002/2023. #YowWx #OttWeather
December 5, 2025 at 1:32 AM
Today is #Ottawa's first -26 windchill of the season. Typical first is December 21. Record earliest is Nov 13, 2019; latest Feb 2, 2002/2023. #YowWx #OttWeather
Today's ~8pm temperature (-18.4°C) was #Ottawa's coldest temperature since Mar 3rd. #YowWx #OttWeather
December 5, 2025 at 1:17 AM
Today's ~8pm temperature (-18.4°C) was #Ottawa's coldest temperature since Mar 3rd. #YowWx #OttWeather
Today is #Ottawa's first -18°C of the season. Typical first is December 19. Record earliest is Nov 16, 1883; latest Jan 21, 2024. #YowWx #OttWeather
December 5, 2025 at 1:02 AM
Today is #Ottawa's first -18°C of the season. Typical first is December 19. Record earliest is Nov 16, 1883; latest Jan 21, 2024. #YowWx #OttWeather
Today is #Ottawa's first -17°C of the season. Typical first is December 18. Record earliest is Nov 15, 1883; latest Jan 19, 2002. #YowWx #OttWeather
December 5, 2025 at 12:18 AM
Today is #Ottawa's first -17°C of the season. Typical first is December 18. Record earliest is Nov 15, 1883; latest Jan 19, 2002. #YowWx #OttWeather
Today is #Ottawa's first -16°C of the season. Typical first is December 15. Record earliest is Nov 12, 1933; latest Jan 19, 2002. #YowWx #OttWeather
December 5, 2025 at 12:03 AM
Today is #Ottawa's first -16°C of the season. Typical first is December 15. Record earliest is Nov 12, 1933; latest Jan 19, 2002. #YowWx #OttWeather
Today is #Ottawa's first -15°C of the season. Typical first is December 10. Record earliest is Nov 6, 1951; latest Jan 19, 2002. #YowWx #OttWeather
December 4, 2025 at 11:09 PM
Today is #Ottawa's first -15°C of the season. Typical first is December 10. Record earliest is Nov 6, 1951; latest Jan 19, 2002. #YowWx #OttWeather
Today's ~5pm temperature (-14.8°C) was #Ottawa's coldest temperature since Mar 3rd. #YowWx #OttWeather
December 4, 2025 at 10:54 PM
Today's ~5pm temperature (-14.8°C) was #Ottawa's coldest temperature since Mar 3rd. #YowWx #OttWeather
With a wind gust of 65km/h, today is #Ottawa's windiest day since Aug 13th. #YowWx #OttWeather
December 4, 2025 at 9:22 PM
With a wind gust of 65km/h, today is #Ottawa's windiest day since Aug 13th. #YowWx #OttWeather
Today is #Ottawa's first -25 windchill of the season. Typical first is December 21. Record earliest is Nov 13, 2019; latest Feb 2, 2002. #YowWx #OttWeather
December 4, 2025 at 9:02 PM
Today is #Ottawa's first -25 windchill of the season. Typical first is December 21. Record earliest is Nov 13, 2019; latest Feb 2, 2002. #YowWx #OttWeather
Today is #Ottawa's first -24 windchill of the season. Typical first is December 15. Record earliest is Nov 13, 2019; latest Jan 31, 2002. #YowWx #OttWeather
December 4, 2025 at 8:34 PM
Today is #Ottawa's first -24 windchill of the season. Typical first is December 15. Record earliest is Nov 13, 2019; latest Jan 31, 2002. #YowWx #OttWeather
Today is #Ottawa's first -23 windchill of the season. Typical first is December 15. Record earliest is Nov 13, 2019; latest Jan 31, 2002. #YowWx #OttWeather
December 4, 2025 at 8:19 PM
Today is #Ottawa's first -23 windchill of the season. Typical first is December 15. Record earliest is Nov 13, 2019; latest Jan 31, 2002. #YowWx #OttWeather
Today is #Ottawa's first -22 windchill of the season. Typical first is December 14. Record earliest is Nov 10, 2017; latest Jan 17, 2024. #YowWx #OttWeather
December 4, 2025 at 8:04 PM
Today is #Ottawa's first -22 windchill of the season. Typical first is December 14. Record earliest is Nov 10, 2017; latest Jan 17, 2024. #YowWx #OttWeather
Today is #Ottawa's first -21 windchill of the season. Typical first is December 7. Record earliest is Nov 7, 2002; latest Jan 1, 2002. #YowWx #OttWeather
December 4, 2025 at 7:04 PM
Today is #Ottawa's first -21 windchill of the season. Typical first is December 7. Record earliest is Nov 7, 2002; latest Jan 1, 2002. #YowWx #OttWeather
Today is #Ottawa's first -20 windchill of the season. Typical first is December 7. Record earliest is Nov 7, 2002; latest Jan 1, 2002. #YowWx #OttWeather
December 4, 2025 at 6:03 PM
Today is #Ottawa's first -20 windchill of the season. Typical first is December 7. Record earliest is Nov 7, 2002; latest Jan 1, 2002. #YowWx #OttWeather