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Ottawa, Canada

Last updated: 2:40 AM CDT  ·  Refresh
7°C
Feels like 4°
Rain
▲ 11°  /  ▼ -1°
Wind
11 mph E
Humidity
86%
Dew Point
4°
Pressure
29.56 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
95%
Sunrise
7:19 AM
Sunset
6:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ottawa is currently rain at 7°C. Precipitation is likely — peak probability 90% around 3 AM. Sunrise: 7:19AM · Sunset: 6:14PM.

19 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
7°
90%
4 AM
7°
90%
5 AM
6°
90%
6 AM
6°
90%
7 AM
6°
90%
8 AM
6°
90%
9 AM
7°
85%
10 AM
7°
83%
11 AM
8°
76%
12 PM
8°
71%
1 PM
11°
66%
2 PM
11°
42%
3 PM
10°
26%
4 PM
9°
26%
5 PM
9°
14%
6 PM
8°
10%
7 PM
8°
5%
8 PM
7°
5%
9 PM
7°
5%
10 PM
7°
5%
11 PM
6°
3%
12 AM
6°
3%
1 AM
4°
3%
2 AM
3°
3%
7-Day Forecast
Today
11° -1°
Rain, 90% chance.
Sat
7° -1°
Clear.
Sun
14° 0°
Mostly Clear.
Mon
14° 2°
Fog.
Tue
17° 3°
Clear.
Wed
13° 1°
Clear.
Thu
14° -1°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 7° Rain 90% 11 mph E 86%
4 AM 7° Rain 90% 12 mph E 92%
5 AM 6° Rain 90% 12 mph E 95%
6 AM 6° Rain 90% 11 mph E 96%
7 AM 6° Overcast 90% 10 mph E 97%
8 AM 6° Overcast 90% 9 mph E 97%
9 AM 7° Rain 85% 7 mph E 98%
10 AM 7° Rain 83% 4 mph E 98%
11 AM 8° Overcast 76% 2 mph NE 98%
12 PM 8° Overcast 71% 3 mph WNW 97%
1 PM 11° Overcast 66% 6 mph WNW 96%
2 PM 11° Overcast 42% 9 mph WNW 94%
3 PM 10° Overcast 26% 11 mph WNW 91%
4 PM 9° Overcast 26% 12 mph WNW 88%
5 PM 9° Overcast 14% 12 mph WNW 86%
6 PM 8° Overcast 10% 12 mph WNW 85%
7 PM 8° Overcast 5% 13 mph NW 84%
8 PM 7° Overcast 5% 13 mph NW 82%
9 PM 7° Overcast 5% 13 mph NW 81%
10 PM 7° Overcast 5% 12 mph NW 80%
11 PM 6° Mostly Cloudy 3% 12 mph NW 79%
12 AM 6° Mostly Cloudy 3% 12 mph NW 78%
1 AM 4° Mostly Cloudy 3% 12 mph NW 78%
2 AM 3° Partly Cloudy 3% 12 mph NW 77%
15-Day Forecast
Today
10/16
Rain
90%
-1°
11°
Sat
10/17
Clear
3%
-1°
7°
Sun
10/18
Mostly Clear
3%
0°
14°
Mon
10/19
Fog
3%
2°
14°
Tue
10/20
Clear
3%
3°
17°
Wed
10/21
Clear
3%
1°
13°
Thu
10/22
Clear
8%
-1°
14°
Fri
10/23
Clear
18%
3°
16°
Sat
10/24
Clear
19%
4°
17°
Sun
10/25
Clear
36%
4°
18°
Mon
10/26
Drizzle
60%
4°
15°
Tue
10/27
Drizzle
60%
6°
14°
Wed
10/28
Drizzle
60%
5°
13°
Thu
10/29
Drizzle
60%
4°
12°
Fri
10/30
Drizzle
60%
5°
13°
19
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
6 AQI 1.2 µg/m³
O3
Ground-level ozone
Dominant
19 AQI 21 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 19 Good 19 6
Sat 20 Good 20 14
Sun 28 Good 28 4
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 Fri Oct 16, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 110 120 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE20 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index23.8
Kinematics
0–6 km Shear74 kt
0–1 km Shear28 kt
Eff. Shear—
0–1 km SRH372
0–3 km SRH550
Eff. SRH—
Storm Motion253° @ 35 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index17.3
Thermo & Levels
PWAT1.20 in
0–3 km LR1.5 °C/km
700–500 LR4.5 °C/km
Total Totals26.9
LCL957 hPa
LFC1001 hPa
EL1001 hPa
Freezing Lvl12,365 ft