Tomorrow's Weather Ottawa: Rain Likely, Temps Rise to 3°C

Tomorrow's forecast:

Morning: Cloudy, Chilly at -7°C with Light Winds

    The morning in Ottawa starts off cloudy and cold with temperatures near -7°C. Winds are light at 10 km/h but gusts can reach up to 20 km/h, creating a brisk atmosphere. There is a slight chance of precipitation, though no significant rain or snow is expected, setting a calm but chilly tone for the start of the day.

Activities Recommendations for the morning of Dec 18, 2025:

• Dog Walks & Errands: A good time for quick outdoor activities with light winds and no heavy precipitation.

• Outdoor Skating: Enjoy skating on the Rideau Canal early before the evening rain arrives.

• Winter Photography: Capture the moody cloudy skies and winter scenes in the calm morning light.

Temperatures rising from -11°C early morning to 0°C by afternoon

(Click above to view interactive map)

Afternoon: Temperatures Rise to 3°C, Winds Pick Up

    Cloud cover persists into the afternoon with temperatures climbing to around 3°C, marking a noticeable warm-up from the morning chill. Winds increase to 15 km/h with gusts up to 30 km/h, adding a brisk feel to the air. There remains a 30% chance of light precipitation, keeping the atmosphere damp but manageable for outdoor plans.

Activities Recommendations for the afternoon of Dec 18, 2025:

• Winter Walks: Take advantage of the milder temperatures for a stroll through festive light displays like Winter Lights Across Canada.

• Shopping & Markets: Visit the Ottawa Christmas Market for a cozy afternoon amid seasonal festivities.

• Hockey Game: Perfect weather to head to the Ottawa Senators game with manageable winds and no heavy rain yet.

Evening: Rain Likely, Steady 3°C with Gusty Winds

    Rain is likely in the evening with about 0.3 mm expected, accompanied by steady temperatures around 3°C. Winds pick up further to 20 km/h with gusts reaching 35 km/h, creating a blustery and wet end to the day. The chance of precipitation rises to 40%, so expect damp conditions as night falls.

Activities Recommendations for the evening of Dec 18, 2025:

• Indoor Events: Ideal time to enjoy indoor cultural events like Handel’s Messiah or A Sherlock Carol.

• Evening Commute: Prepare for wet and windy conditions if traveling home or out for evening activities.

• Light Displays: If venturing out, dress warmly and enjoy the Magic of Lights at Wesley Clover Parks with rain gear.

Wind speeds increasing gradually to a maximum of 13 km/h with gusts up to 20 km/h

(Click above to view detailed chart)

Packing preparations for tomorrow:

• Waterproof jacket or umbrella to stay dry during evening rain

• Warm layers including hats and gloves for chilly morning and windy conditions

• Comfortable, water-resistant footwear for wet surfaces

• Light scarf or windbreaker to protect against gusty winds

• Portable charger and waterproof bag for electronics during outdoor activities

• Reflective gear if walking or cycling in low light conditions

For active alerts in your area, visit your Alerts page. This article was generated with the use of OpenAI and The Weather Network's forecast data. The article was reviewed by the editorial team for accuracy and clarity. For more details visit our AI Code of Ethics. For feedback, visit our survey.