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Weather in Ottawa, Canada 🇨🇦

Weather Forecast in Ottawa

Current Weather in Ottawa

Overcast
17°C
Feels like 17°C. Overcast.
🌬️ 9 km/h SE
💧 77% Humidity
🧭 1008 hPa
👁️ 24.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 15°C
🌅 Sunrise: 05:35 AM
🌇 Sunset: 08:43 PM
Map Overlays:

In Ottawa right now it is 17°C and overcast, feeling like 17°C. Humidity is 77% with winds around 9 km/h, and the UV index is 0 (low). Across the coming days, Ottawa should see roughly 9°C to 26°C.

Hourly Forecast for Ottawa

05:00
Clear
16°
14%
06:00
Sunny
15°
14%
07:00
Sunny
16°
12%
08:00
Sunny
19°
9%
09:00
Sunny
21°
10%
10:00
Sunny
22°
8%
11:00
Sunny
23°
7%
12:00
Sunny
25°
6%
13:00
Sunny
26°
5%
14:00
Light rain
20°
77%
15:00
Light rain shower
20°
74%
16:00
Heavy rain
20°
95%
17:00
Light rain shower
20°
79%
18:00
Patchy rain nearby
21°
32%
19:00
Light rain shower
21°
47%
20:00
Light drizzle
21°
72%
21:00
Light rain shower
19°
80%
22:00
Light rain shower
19°
81%
23:00
Light rain shower
19°
80%
00:00
Light rain shower
18°
73%
01:00
Light rain shower
18°
59%
02:00
Light rain shower
18°
59%
03:00
Light rain shower
18°
50%
04:00
Patchy rain nearby
17°
46%

14-Day Forecast for Ottawa

Tue, Jul 21
Sunny Sunny
26° / 15°
Wed, Jul 22
Patchy rain nearby Patchy rain nearby
18° / 12°
Thu, Jul 23
Partly Cloudy Partly Cloudy
24° /
Fri, Jul 24
Sunny Sunny
26° / 11°
Sat, Jul 25
Sunny Sunny
27° / 12°
Sun, Jul 26
Sunny Sunny
25° / 15°
Mon, Jul 27
Light rain shower Light rain shower
21° / 17°
Tue, Jul 28
Patchy rain nearby Patchy rain nearby
22° / 14°
Wed, Jul 29
Partly Cloudy Partly Cloudy
23° / 12°
Thu, Jul 30
Sunny Sunny
24° / 12°
Fri, Jul 31
Partly Cloudy Partly Cloudy
25° / 16°
Sat, Aug 01
Sunny Sunny
26° / 14°
Sun, Aug 02
Sunny Sunny
28° / 14°
Mon, Aug 03
Sunny Sunny
30° / 16°

Additional Forecasts for Ottawa

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 145.0 μg/m³
O₃ (Ozone) 65.0 μg/m³
NO₂ (Nitrogen Dioxide) 6.6 μg/m³
SO₂ (Sulphur Dioxide) 1.5 μg/m³
PM2.5 (Fine particles) 4.3 μg/m³
PM10 (Coarse particles) 4.5 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Canada

Browse Weather in Canada by cities in alphabetical order:

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Weather in Canada ›

Best Time to Be Outside in Ottawa Today

The most comfortable window in Ottawa today looks like 09:00 to 11:00, when it is around 22°C. It should stay dry through that window. The next likely rain is around 14:00.

Frequently Asked Questions about Weather in Ottawa

What is the temperature in Ottawa right now?

It is currently 17°C (63°F) in Ottawa, overcast (feels like 17°C).

What's the weather like in Ottawa right now?

Current weather in Ottawa: Overcast, humidity 77%, wind 9 km/h SE.

What is today's forecast for Ottawa?

Today in Ottawa: high 26°C, low 15°C, sunny. Chance of rain: 81%.

What is the 7-day weather forecast for Ottawa?

Daily highs and lows for Ottawa:

  • 2026-07-21: 26°C / 15°C
  • 2026-07-22: 18°C / 12°C
  • 2026-07-23: 24°C / 9°C
  • 2026-07-24: 26°C / 11°C
  • 2026-07-25: 27°C / 12°C
  • 2026-07-26: 25°C / 15°C
  • 2026-07-27: 21°C / 17°C
Is it going to rain in Ottawa today?

There is a 81% chance of rain in Ottawa today. Total expected precipitation: 24.18 mm.

What is the wind speed in Ottawa right now?

Wind in Ottawa is currently 9 km/h (6 mph) from the SE.

What is the UV index in Ottawa right now?

The UV index in Ottawa is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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