Ottawa

Canada › Ontario

Temperature:

Weather Forecast

Ottawa

Chance of rain: 88%

66°F

Feels like 66°F

Mist
Mist

Today's Forecast

8 AM 67°F
9 AM 68°F
10 AM 69°F
11 AM 68°F
12 PM 69°F
1 PM 70°F

Air Conditions

Real Feel 66°F
Wind E 8 km/h
Chance of Rain 88%
UV Index 0.2

Air quality: Good

Weather Alerts

special weather statement in effect

Heavy rainfall possible tonight through Wednesday morning. What: Total rainfall amounts of 50 to 100 mm locally. When: Tonight through Wednesday morning. Additional information: A low pressure system is forecast to develop tonight and then stall over the area by Tuesday. Multiple rounds of showers and thunderstorms are expected for some areas, leading to rainfall amounts that exceed 50 mm and may approach 100 mm in a few locales. Note that rainfall amounts will vary widely across the area due to the convective nature of this precipitation. Rainfall warnings may be issued for some regions as confidence increases. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or post reports on social media using #QCStorm.

Effective: 2026-07-28T03:10:11-00:00
yellow watch - severe thunderstorm - in effect

What: Rainfall amounts of 50 millimetres or more locally. When: Tonight Additional information: Thunderstorms will move over these areas overnight. These thunderstorms could leave heavy amounts of rain locally. ### Fast-moving and rapidly rising water can sweep vehicles away and damage infrastructure. Heavy rain can cause flash flooding and significant reductions to visibility. Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or post reports on social media using #QCStorm.

Effective: 2026-07-28T04:29:02-00:00
special weather statement in effect

Heavy rainfall possible tonight through Wednesday morning. What: Total rainfall amounts of 50 to 100 mm locally. When: Tonight through Wednesday morning. Additional information: A low pressure system is forecast to develop tonight and then stall over the area by Tuesday. Multiple rounds of showers and thunderstorms are expected for some areas, leading to rainfall amounts that exceed 50 mm and may approach 100 mm in a few locales. Note that rainfall amounts will vary widely across the area due to the convective nature of this precipitation. Rainfall warnings may be issued for some regions as confidence increases. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or post reports on social media using #ONStorm.

Effective: 2026-07-28T03:09:53-00:00
special weather statement in effect

Heavy rainfall possible tonight through Wednesday morning. What: Total rainfall amounts of 50 to 100 mm locally. When: Tonight through Wednesday morning. Additional information: A low pressure system is forecast to develop tonight and then stall over the area by Tuesday. Multiple rounds of showers and thunderstorms are expected for some areas, leading to rainfall amounts that exceed 50 mm and may approach 100 mm in a few locales. Note that rainfall amounts will vary widely across the area due to the convective nature of this precipitation. Rainfall warnings may be issued for some regions as confidence increases. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or post reports on social media using #ONStorm.

Effective: 2026-07-28T07:44:28-00:00

Temperature - Past 7 Days & Forecast

Detailed 7-Day Forecast

Day High Low Condition Rain Wind Humidity UV Sunrise Sunset
Tue Jul 28 74°F 65°F Sunny 88% 16 km/h 93% 2.3 05:42 AM 08:36 PM
Wed Jul 29 66°F 63°F Moderate rain 93% 19 km/h 97% 0.6 05:43 AM 08:34 PM
Thu Jul 30 78°F 62°F Mist 77% 10 km/h 88% 3.5 05:44 AM 08:33 PM
Fri Jul 31 81°F 60°F Sunny 10% 6 km/h 80% 6 05:46 AM 08:32 PM
Sat Aug 1 83°F 62°F Partly Cloudy 17% 8 km/h 80% 7 05:47 AM 08:31 PM
Sun Aug 2 68°F 63°F Light rain 90% 10 km/h 96% 5 05:48 AM 08:29 PM
Mon Aug 3 80°F 60°F Partly Cloudy 14% 15 km/h 76% 7 05:49 AM 08:28 PM