Tomorrow's Weather Ottawa: Morning Thunderstorms, Afternoon Clears
Ottawa Sep 13, 2026: Expect a stormy start with clearing skies and warm, humid afternoon conditions.
Tomorrow's forecast:
Morning Thunderstorms Bring Wet Start to Ottawa
Tomorrow morning in Ottawa kicks off with thunderstorms and a 60% chance of rain. Temperatures hover around a mild 20°C with light winds at 15 km/h, gusting up to 27 km/h. Compared to today’s calm start, expect a wetter and more dynamic morning with occasional gusts adding to the stormy feel.
Activities Recommendations for the morning of Sep 13, 2026:
Pet Walks Dress pets in waterproof gear to keep them dry during morning showers.
Running Prepare for slippery surfaces and consider waterproof running shoes for safety.
Walking Use a sturdy umbrella and wear water-resistant footwear to stay comfortable.
Temperatures steadily rise from morning to afternoon, with a warm feels-like peak in the early afternoon.
(Click above to view interactive map)
Afternoon Sunshine Warms Ottawa After Morning Storms
By afternoon, Ottawa will see a welcome break from the rain with mostly clear skies and temperatures rising to around 24°C. Light winds at 18 km/h with gusts up to 30 km/h will keep the air moving, while the 'feels like' temperature climbs to a warm 30°C, making it feel hotter than the thermometer suggests.
Activities Recommendations for the afternoon of Sep 13, 2026:
Picnics Ideal time for outdoor meals with mostly dry and warm conditions.
Cycling Light winds and clear skies create perfect cycling weather.
Walking Enjoy a comfortable stroll but stay hydrated due to the warm feels-like temperature.
Evening Rain Returns with Cooler Temperatures
As evening falls, rain showers are expected to return with a 40% chance of precipitation. Temperatures will cool down to around 18°C, accompanied by light winds at 15 km/h and gusts up to 27 km/h. The rain will bring a refreshing end to the day but may require some extra layers for comfort.
Activities Recommendations for the evening of Sep 13, 2026:
Commuting Carry a rain jacket or umbrella to stay dry during evening travel.
Walking Plan shorter walks or stay close to shelter to avoid getting soaked.
Pet Care Ensure pets have a dry place to retreat after outdoor time.
Light winds and minimal precipitation after morning storms create favorable conditions for outdoor activities later in the day.
(Click above to view detailed chart)
Packing preparations for tomorrow:
Light rain jacket or umbrella for morning and evening showers
Layered clothing to adjust from cool morning to warm afternoon
Sun protection such as sunscreen and a hat for afternoon warmth
Water bottle to stay hydrated during warm afternoon hours
Comfortable waterproof footwear for wet conditions
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