Tomorrow's Weather Ottawa: Mixed Precipitation, Cold Wind Chill

Tomorrow's forecast:

Morning: Chilly Start with Mixed Rain and Snow, Windy

    The morning begins cold at around 1°C but feels much colder near -5°C due to a brisk wind chill. Expect a 40% chance of mixed precipitation, including rain and snow, with steady winds around 24 km/h. The air remains fresh and the skies mostly cloudy, setting a wintry tone for the start of the day.

Activities Recommendations for the morning of Dec 17, 2025:

• Dog Walks & Errands: Dress warmly for brisk winds and possible wet conditions during morning outings.

• Commute: Allow extra time for travel as mixed precipitation may cause slick roads and reduced visibility.

• Outdoor Photography: Capture the wintry mix and cloudy skies for seasonal shots with proper cold weather gear.

Temperatures remain cold, ranging from -1°C to 3°C with a cold wind chill down to -7°C.

(Click above to view interactive map)

Afternoon: Slight Warm-Up with Increased Chance of Mixed Precipitation

    Temperatures rise slightly to around 3°C, but the cold wind persists at 25 km/h, keeping the chill noticeable. The chance of mixed rain and snow increases to 60%, so expect damp and cloudy conditions throughout the afternoon. The atmosphere remains cool and blustery, typical for mid-December in the region.

Activities Recommendations for the afternoon of Dec 17, 2025:

• Outdoor Shopping & Market Visits: Dress in layers and waterproof gear to stay comfortable while exploring local holiday markets.

• Skating Activities: Enjoy skating events but be mindful of slippery surfaces due to mixed precipitation.

• Cultural Events: Attend indoor performances or festivals to stay warm while enjoying seasonal festivities.

Evening: Cooling Down with Snow Showers and Light Winds

    Temperatures drop to around -2°C, feeling closer to -8°C with the wind chill. Snow showers are likely with a 40% chance, and winds ease slightly to 16 km/h. Cloudy skies dominate the evening, with a risk of freezing rain transitioning to showers overnight, so expect a cold and wintry night ahead.

Activities Recommendations for the evening of Dec 17, 2025:

• Evening Walks: Bundle up warmly if heading out for evening strolls to enjoy festive lights and events.

• Indoor Gatherings: Perfect time to enjoy cozy indoor activities and holiday performances.

• Travel: Exercise caution on roads as freezing rain may create slick conditions late at night.

Consistent light wind speeds around 24-26 km/h with gusts up to 39 km/h throughout the day.

(Click above to view detailed chart)

Packing preparations for tomorrow:

• • Warm insulated jacket and layers to combat cold temperatures and wind chill

• • Waterproof boots and outerwear to stay dry during mixed rain and snow

• • Hat, gloves, and scarf to protect against biting winds

• • Umbrella or rain gear for mixed precipitation

• • Reflective accessories for visibility during cloudy and low-light conditions

• • Extra time planned for travel due to possible slick roads

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.