Ottawa, Canada

Last updated: 6:14 AM CDT  ·  Refresh
17°C
Feels like 17°
Mostly Clear
▲ 25°  /  ▼ 16°
Wind
5 mph W
Humidity
93%
Dew Point
16°
Pressure
29.57 inHg
Visibility
9 mi
UV Index
3.5
Cloud Cover
16%
Sunrise
5:58 AM
Sunset
8:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ottawa is currently mostly clear at 17°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:58AM · Sunset: 8:15PM.

Alerts

No active alerts for this location.
38 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
17°
12%
8 AM
18°
21%
9 AM
20°
21%
10 AM
21°
15%
11 AM
23°
15%
12 PM
23°
15%
1 PM
24°
8%
2 PM
25°
4%
3 PM
24°
7%
4 PM
24°
7%
5 PM
24°
7%
6 PM
23°
17%
7 PM
22°
6%
8 PM
21°
3%
9 PM
20°
3%
10 PM
19°
3%
11 PM
19°
3%
12 AM
18°
3%
1 AM
18°
3%
2 AM
17°
3%
3 AM
17°
8%
4 AM
17°
8%
5 AM
16°
20%
6 AM
17°
20%
7-Day Forecast
Today
25° 16°
Mostly Clear.
Wed
26° 16°
Partly Cloudy with a 46% chance of rain.
Thu
25° 14°
Partly Cloudy with a 68% chance of rain.
Fri
22° 10°
Mostly Cloudy.
Sat
23° 9°
Clear.
Sun
22° 13°
Rain, 80% chance.
Mon
24° 13°
Partly Cloudy with a 25% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 17° Mostly Clear 12% 5 mph W 93%
8 AM 18° Clear 21% 6 mph WNW 87%
9 AM 20° Mostly Clear 21% 6 mph WNW 80%
10 AM 21° Mostly Clear 15% 7 mph WNW 74%
11 AM 23° Mostly Clear 15% 7 mph WNW 68%
12 PM 23° Partly Cloudy 15% 8 mph WNW 63%
1 PM 24° Partly Cloudy 8% 8 mph WNW 58%
2 PM 25° Partly Cloudy 4% 8 mph W 54%
3 PM 24° Partly Cloudy 7% 7 mph WNW 54%
4 PM 24° Mostly Clear 7% 7 mph WNW 56%
5 PM 24° Mostly Clear 7% 6 mph WNW 58%
6 PM 23° Mostly Clear 17% 6 mph WNW 62%
7 PM 22° Clear 6% 4 mph W 67%
8 PM 21° Clear 3% 4 mph W 71%
9 PM 20° Clear 3% 4 mph W 73%
10 PM 19° Mostly Clear 3% 4 mph W 76%
11 PM 19° Mostly Clear 3% 3 mph W 77%
12 AM 18° Mostly Clear 3% 3 mph WNW 79%
1 AM 18° Mostly Clear 3% 3 mph WNW 82%
2 AM 17° Partly Cloudy 3% 4 mph WNW 84%
3 AM 17° Mostly Clear 8% 3 mph WNW 85%
4 AM 17° Mostly Clear 8% 3 mph WNW 86%
5 AM 16° Mostly Clear 20% 3 mph WNW 87%
6 AM 17° Partly Cloudy 20% 3 mph WNW 85%
15-Day Forecast
Today
8/11
Mostly Clear
15%
16°
25°
Wed
8/12
Partly Cloudy
46%
16°
26°
Thu
8/13
Partly Cloudy
68%
14°
25°
Fri
8/14
Mostly Cloudy
15%
10°
22°
Sat
8/15
Clear
7%
9°
23°
Sun
8/16
Rain
80%
13°
22°
Mon
8/17
Partly Cloudy
25%
13°
24°
Tue
8/18
Rain
66%
13°
26°
Wed
8/19
Rain
72%
14°
25°
Thu
8/20
Rain
66%
14°
23°
Fri
8/21
Drizzle
60%
12°
23°
Sat
8/22
Drizzle
60%
12°
23°
Sun
8/23
Drizzle
60%
12°
24°
Mon
8/24
Drizzle
60%
12°
23°
Tue
8/25
Drizzle
60%
12°
24°
38
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
35 AQI 6.3 µg/m³
O3
Ground-level ozone
Dominant
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 38 Good 38 35
Wed 28 Good 21 28
Thu 27 Good 20 27
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Aug 11, 10:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5 J/kg
MLCAPE12 J/kg
MUCAPE6 J/kg
SBCIN-180 J/kg
MLCIN0 J/kg
Lifted Index3.0
Kinematics
0–6 km Shear41 kt
0–1 km Shear14 kt
Eff. Shear—
0–1 km SRH3
0–3 km SRH40
Eff. SRH—
Storm Motion311° @ 31 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index18.3
Thermo & Levels
PWAT0.89 in
0–3 km LR5.2 °C/km
700–500 LR5.1 °C/km
Total Totals40.1
LCL987 hPa
LFC771 hPa
EL701 hPa
Freezing Lvl10,932 ft