Weather Forecast for Ottawa
Ontario, Canada
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Current Weather - Ottawa: 13°C
Current Weather - Ottawa: 13°C
Ontario, Canada
Overcast
Feels like 13°C
Wind
7 km/h WSW
Humidity
58%
Pressure
1011 mb
UV Index
6
Visibility
24 km
Moderate rain
Wednesday, April 29, 2026
High
18°C
Low
10°C
Rain Chance
88%
Hourly Forecast
14°C
12°C
11°C
11°C
10°C
10°C
Day Statistics
Maximum Wind
19 km/h
Humidity
76%
Precipitation
15 mm
UV Index
6
Visibility
9 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
08:07 PM
Moonrise
06:23 PM
Moonset
04:42 AM
Moon Phase
Waxing Gibbous
Moon Illumination
93%
Air Quality
PM2.5
5
μg/m³
PM10
5.4
μg/m³
NO₂
6
μg/m³
O₃
79.6
μg/m³
SO₂
3.1
μg/m³
CO
218.1
μg/m³
Moderate rain
Thursday, April 30, 2026
High
10°C
Low
4°C
Rain Chance
92%
Hourly Forecast
9°C
9°C
8°C
8°C
8°C
7°C
7°C
6°C
6°C
6°C
7°C
7°C
8°C
9°C
9°C
10°C
9°C
9°C
9°C
7°C
6°C
5°C
4°C
4°C
Day Statistics
Maximum Wind
16 km/h
Humidity
86%
Precipitation
5 mm
UV Index
2
Visibility
8 km
Rain Chance
92%
Snow Chance
0%
Sun & Moon
Sunrise
05:53 AM
Sunset
08:08 PM
Moonrise
07:31 PM
Moonset
05:01 AM
Moon Phase
Waxing Gibbous
Moon Illumination
97%
Air Quality
PM2.5
3.3
μg/m³
PM10
3.3
μg/m³
NO₂
4.5
μg/m³
O₃
75.3
μg/m³
SO₂
1.9
μg/m³
CO
206.2
μg/m³
Patchy rain nearby
Friday, May 01, 2026
High
10°C
Low
2°C
Rain Chance
88%
Hourly Forecast
3°C
3°C
3°C
3°C
3°C
3°C
3°C
4°C
4°C
4°C
5°C
6°C
7°C
8°C
9°C
9°C
9°C
9°C
9°C
7°C
5°C
4°C
3°C
2°C
Day Statistics
Maximum Wind
17 km/h
Humidity
76%
Precipitation
1 mm
UV Index
4
Visibility
9 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
08:09 PM
Moonrise
08:39 PM
Moonset
05:21 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
1.5
μg/m³
PM10
1.6
μg/m³
NO₂
3.3
μg/m³
O₃
73.3
μg/m³
SO₂
1.8
μg/m³
CO
162.4
μg/m³
Patchy rain nearby
Saturday, May 02, 2026
High
10°C
Low
-0°C
Rain Chance
86%
Hourly Forecast
2°C
1°C
1°C
1°C
0°C
-0°C
1°C
2°C
4°C
5°C
7°C
8°C
8°C
9°C
9°C
9°C
9°C
9°C
8°C
7°C
5°C
4°C
3°C
2°C
Day Statistics
Maximum Wind
17 km/h
Humidity
65%
Precipitation
1 mm
UV Index
4
Visibility
10 km
Rain Chance
86%
Snow Chance
0%
Sun & Moon
Sunrise
05:50 AM
Sunset
08:11 PM
Moonrise
09:46 PM
Moonset
05:46 AM
Moon Phase
Waning Gibbous
Moon Illumination
100%
Air Quality
PM2.5
2.4
μg/m³
PM10
2.4
μg/m³
NO₂
5.4
μg/m³
O₃
63.5
μg/m³
SO₂
2.2
μg/m³
CO
167.4
μg/m³
Patchy rain nearby
Sunday, May 03, 2026
High
10°C
Low
-0°C
Rain Chance
87%
Hourly Forecast
2°C
1°C
1°C
1°C
1°C
0°C
1°C
2°C
4°C
5°C
6°C
7°C
8°C
8°C
9°C
10°C
10°C
10°C
10°C
8°C
6°C
5°C
4°C
3°C
Day Statistics
Maximum Wind
17 km/h
Humidity
65%
Precipitation
0 mm
UV Index
1
Visibility
10 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
05:48 AM
Sunset
08:12 PM
Moonrise
10:50 PM
Moonset
06:15 AM
Moon Phase
Waning Gibbous
Moon Illumination
98%
Air Quality
PM2.5
6.4
μg/m³
PM10
7.1
μg/m³
NO₂
13.6
μg/m³
O₃
47.2
μg/m³
SO₂
3.9
μg/m³
CO
211.7
μg/m³
Patchy rain nearby
Monday, May 04, 2026
High
13°C
Low
3°C
Rain Chance
82%
Hourly Forecast
3°C
3°C
3°C
3°C
4°C
4°C
5°C
6°C
7°C
9°C
10°C
11°C
12°C
12°C
12°C
12°C
12°C
11°C
10°C
9°C
9°C
9°C
9°C
9°C
Day Statistics
Maximum Wind
25 km/h
Humidity
82%
Precipitation
1 mm
UV Index
2
Visibility
10 km
Rain Chance
82%
Snow Chance
0%
Sun & Moon
Sunrise
05:47 AM
Sunset
08:13 PM
Moonrise
11:49 PM
Moonset
06:53 AM
Moon Phase
Waning Gibbous
Moon Illumination
95%
Patchy rain nearby
Tuesday, May 05, 2026
High
10°C
Low
3°C
Rain Chance
88%
Hourly Forecast
9°C
9°C
9°C
7°C
6°C
5°C
5°C
5°C
5°C
5°C
6°C
6°C
7°C
8°C
8°C
9°C
9°C
9°C
8°C
7°C
6°C
5°C
4°C
3°C
Day Statistics
Maximum Wind
22 km/h
Humidity
80%
Precipitation
1 mm
UV Index
2
Visibility
9 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:45 AM
Sunset
08:14 PM
Moonrise
No moonrise
Moonset
07:41 AM
Moon Phase
Waning Gibbous
Moon Illumination
90%
Solar Radiation Data
Shortwave Radiation
443.74
Diffuse Radiation
187.35
DNI
388.33
GTI
266.73
Weather Alerts
yellow warning - rainfall - in effect
Heavy rain is expected Wednesday night. The ground, already near saturation, has little ability to absorb further rainfall. What: Rainfall amounts of 30 to 50 mm. When: Wednesday evening into Thursday morning. Additional information: A low pressure system will bring heavy, widespread rain Wednesday night. ### Water will likely pool on roads and in low-lying areas. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #QCStorm.
Don't drive through flooded roadways. Watch for washouts near rivers, creeks and culverts.
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