Tomorrow's Weather Ottawa: Windy Morning, Rainy Afternoon

Ottawa Apr 18, 2026: Expect a breezy start with clear skies turning into wet and windy conditions later in the day.

Tomorrow's forecast:

Morning: Clear Skies, Windy with Gusts up to 50 km/h

    The morning begins with clear skies and a cool temperature near 9°C. Winds pick up to 20 km/h with gusts reaching 50 km/h, creating a blustery start. There's a slight chance of light precipitation, but no significant rain is expected, making it a brisk but dry morning.

Activities Recommendations for the morning of Apr 18, 2026:

  • Dog Walks & Errands: Take advantage of the dry morning for pet walks and errands, but be prepared for gusty winds.

  • Commute: Windy conditions may affect travel comfort, so plan accordingly for a breezy commute.

  • Outdoor Yoga or Stretching: Clear skies offer a refreshing environment for morning exercise despite the wind.

Temperatures rising steadily from 7°C early morning to a warm 23°C by afternoon

(Click above to view interactive map)

Afternoon: Rain Showers with Strong Winds and Rising Temperatures

    Afternoon temperatures climb to a warm 23°C accompanied by steady rain showers. Winds intensify to 28 km/h with gusts up to 54 km/h, increasing the chill factor despite the warmth. Expect about 1.7 mm of rain, making it a wet and blustery afternoon.

Activities Recommendations for the afternoon of Apr 18, 2026:

  • Outdoor Sports & Activities: Consider indoor alternatives as rain and strong winds may disrupt outdoor plans.

  • Cycling & Nature Walks: If venturing out, prepare for wet conditions and gusty winds along trails like the Rideau Canal.

  • Picnics & Outdoor Dining: Postpone or relocate to covered areas to stay dry during afternoon showers.

Evening: Persistent Rain and Windy Conditions Continue

    Rain continues into the evening with temperatures cooling to around 19°C. Winds remain strong at 24 km/h with gusts up to 53 km/h. The probability of precipitation is high at 90%, with heavier rainfall totaling approximately 8.7 mm, creating a damp and windy night.

Activities Recommendations for the evening of Apr 18, 2026:

  • Evening Commute: Expect wet and windy conditions; allow extra travel time and drive cautiously.

  • Indoor Events & Entertainment: Ideal time to enjoy local performances and concerts indoors.

  • Gardening & Outdoor Chores: Postpone outdoor tasks due to persistent rain and gusty winds.

Wind speeds increasing to a windy 29 km/h with gusts up to 50 km/h around noon

(Click above to view detailed chart)

Packing preparations for tomorrow:

  • Windbreaker or sturdy jacket to protect against strong gusts

  • Waterproof umbrella or raincoat for afternoon and evening showers

  • Layered clothing to adjust from cool morning to warm afternoon

  • Water-resistant footwear to keep feet dry during rain

  • Air quality mask recommended for sensitive individuals

  • Sunglasses for moderate UV exposure around midday

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.