Tuesday night: Clear. Low minus 12. The warning Environment Canada Ottawa Weather Forecast Ottawa Weather Forecast Sunday night: Clear. Low minus 8. Environment Canada Environment Canada Weather Local Weather Saturday: A mix of sun and cloud. High plus 1. Sunday night: Clear. Low minus 8. Saturday night: Cloudy periods. Low minus 8. Ottawa Weather https://weather.gc.ca/city/pages/on-118_metric_e.html Environment Canada Environment Canada Local Weather Environment Canada http://weather.gc.ca/city/pages/on-118_metric_e.html Environment Canada Weather: Ottawa Sunday: A mix of sun and cloud. High plus 5. may be rainy Thursday night: Cloudy periods. Low minus 5. experiencing an average of -23°C https://weather.gc.ca/city/pages/on-118_metric_e.html Thursday: A mix of sun and cloud. High plus 4. Friday: A mix of sun and cloud. High zero. Environment Canada Weather: Ottawa Ottawa’s Forecast from Environment Canada: The warning Environment Canada http://weather.gc.ca/city/pages/on-118_metric_e.html experiencing an average of -23°C Environment Canada Saturday night: Cloudy periods. Low minus 8. Monday: Sunny. High plus 5. Environment Canada Civil Weather Wednesday night: A few clouds. Low minus 9. Environment Canada Environment Canada Environment Canada Weather Weather Friday night: Cloudy periods. Low minus 11. Sunday: A mix of sun and cloud. High plus 5. Thursday: A mix of sun and cloud. High plus 4. Friday night: Cloudy periods. Low minus 11. http://weather.gc.ca/city/pages/on-118_metric_e.html Friday: A mix of sun and cloud. High zero. Ottawa Weather watching Monday: Sunny. High plus 5. Tuesday night: Clear. Low minus 12. Saturday: A mix of sun and cloud. High plus 1. Wednesday night: A few clouds. Low minus 9. Ottawa Weather Forecast Wednesday: Mainly sunny. High plus 1. Wednesday: Mainly sunny. High plus 1. Environment Canada Ottawa may be rainy Thursday night: Cloudy periods. Low minus 5.