Ottawa
Today
Today weather in Ottawa
Friday, 11th September 2026
21°
Sunny
Feels like 18° · Low 9°
Mild temperatures are expected in Ottawa Today, peaking at around 20 °C and dropping to 9 °C by night. Gentle breezes are expected across Ottawa Today, with speeds reaching around 14 km/h. There's a slight chance of rain at 6%.
21° / 9°
Temp
6%
Rain
14 km/h
Wind
71%
Humidity
Ottawa Weather Pages
Ottawa hourly forecast for today
Scroll right to see more weather forecasts for Ottawa today
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 06:36 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 19:22 | 20:00 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | | |  | | | | | | | | | | | | | |  | | | | | Next |
| temperatures | 12.5° | 11.8° | 11.3° | 10.8° | 10.3° | 10° | 9.6° | Sunrise | 9.3° | 10.9° | 13° | 14.4° | 16.5° | 17.2° | 18.3° | 19.5° | 20.1° | 20.7° | 18.4° | 17.7° | 15.5° | Sunset | 13.8° | 13.1° | 12.3° | 11.4° | |
| Feels like | 10.8° | 10.5° | 9.9° | 9.7° | 9.2° | 9° | 8.7° | 8.5° | 10.2° | 11.7° | 12° | 14.3° | 14.9° | 16° | 17.1° | 17.6° | 18.1° | 16° | 16.9° | 15.1° | 12.9° | 11.8° | 11.2° | 10° | |||
| wind speed | 8 km/h | 7 km/h | 8 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 6 km/h | 7 km/h | 11 km/h | 12 km/h | 12 km/h | 13 km/h | 14 km/h | 14 km/h | 15 km/h | 11 km/h | 6 km/h | 2 km/h | 3 km/h | 4 km/h | 5 km/h | 5 km/h | |||
| wind degree | 294° | 286° | 284° | 289° | 286° | 277° | 278° | 276° | 275° | 271° | 295° | 297° | 262° | 288° | 280° | 275° | 279° | 281° | 273° | 238° | 200° | 208° | 215° | 216° | |||
| wind direction | WNW | WNW | WNW | WNW | WNW | W | W | W | W | W | WNW | WNW | W | WNW | W | W | W | WNW | W | WSW | SSW | SSW | SW | SW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 6% | 7% | 8% | 10% | 11% | 11% | 11% | 11% | 12% | 8% | 6% | 5% | 4% | 4% | 3% | 3% | 2% | 2% | 4% | 5% | 6% | 6% | 7% | 9% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 70% | 75% | 77% | 82% | 84% | 85% | 85% | 85% | 88% | 78% | 70% | 66% | 63% | 60% | 58% | 55% | 53% | 53% | 65% | 68% | 69% | 70% | 74% | 78% | |||
| dew point | 7.3° | 7.5° | 7.5° | 7.9° | 7.8° | 7.6° | 7.1° | 6.9° | 9° | 9.3° | 9.1° | 10.2° | 10.2° | 10.5° | 11° | 10.8° | 10.9° | 8.8° | 11° | 9.7° | 8.3° | 7.9° | 7.7° | 7.8° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 2% | 3% | 2% | 1% | 0% | 0% | 0% | 1% | 0% | 0% | 1% | 4% | 0% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 1.1 | 2.3 | 3.7 | 4.8 | 5.3 | 5 | 3.9 | 2.5 | 1.3 | 0.4 | 0 | 0 | 0 | 0 | 0 |
View of Ottawa today
Explore Ottawa live webcam feed to see how the weather is shaping up today in Ottawa. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
Stay informed and make the most of your day with our live weather updates from Ottawa today.
Weather in Ottawa today
The weather in Ottawa today is expected to be slightly cooler than usual, with a forecast temperature of 21 °C, compared to an average of 23 °C for 11th of September in recent years.
temperatures
21 °C
rain
0 mm
wind
14 km/h
UV
Moderate
🌫️ Air quality, UV & pollen - Ottawa Live AQI, UV index and pollen levels. Air Quality →
Ottawa Today Weather Indexes for Outdoor Activities & Health
Live indexes for outdoor activities, pollen allergies, air quality (AQI), UV index and health in Ottawa - Friday, 11th September 2026
UV Sun Exposure Risk
Moderate
5 / 11+
Air Quality Index (AQI)
Excellent
10 / 10
Pollen Allergy Risk
Very High
10 / 10
Cold & Flu Risk
Very Low
1 / 10
Asthma Risk Index
Low
4 / 10
Arthritis Pain Index
Low
4 / 10
Outdoor Activity Index
Excellent
8 / 10
Running & Jogging Index
Excellent
8 / 10
Cycling Weather Index
Excellent
10 / 10
Pet Walking Index
Excellent
10 / 10
Gardening Weather Index
Excellent
10 / 10
Photography Light Index
Good
7 / 10
Driving & Road Safety
Excellent
9 / 10
Construction Work Index
Excellent
10 / 10
Ottawa daylight overview ☀️
Today in Ottawa, The sun rises at 06:36 and sets at 19:22, giving a total daylight duration of 12 hours and 46 minutes.
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What to wear today in Ottawa? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Ottawa forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
The weather today in Ottawa - FAQ
What is the maximum temperature for today in Ottawa?
The maximum temperature for today in Ottawa is expected to be 21° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Ottawa? 🌧️
Yes, there is a 6% chance of rain in Ottawa today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Ottawa? 🌀
The wind in Ottawa is expected to blow at 14 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Ottawa today?
Given the forecast of 21 °C with a 6% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Ottawa today.
What is the sunrise and sunset time for Ottawa today?
The sun is expected to rise at 06:36 and set at 19:22 in Ottawa.
How accurate is the weather forecast Ottawa today? ✅
Ottawa weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Ottawa?Get accurate weather forecasts for Ottawa, located at latitude 45.411 and longitude -75.698. Stay updated with localized weather information tailored for Ottawa.
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