London, Canada

Last updated: 10:04 PM CDT  ·  Refresh
11°C
Feels like 7°
Clear
▲ 17°  /  ▼ 9°
Wind
11 mph ENE
Humidity
75%
Dew Point
6°
Pressure
29,45 inHg
Visibility
10 mi
UV Index
0,0
Cloud Cover
7%
Sunrise
7:12 AM
Sunset
7:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: London is currently clear at 11°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:12AM · Sunset: 7:22PM.

Alerts

No active alerts for this location.
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
11°
3%
12 AM
12°
3%
1 AM
12°
3%
2 AM
11°
3%
3 AM
11°
3%
4 AM
11°
3%
5 AM
10°
3%
6 AM
9°
3%
7 AM
10°
3%
8 AM
11°
3%
9 AM
13°
3%
10 AM
15°
3%
11 AM
17°
3%
12 PM
18°
3%
1 PM
19°
3%
2 PM
20°
3%
3 PM
20°
3%
4 PM
20°
3%
5 PM
19°
3%
6 PM
19°
3%
7 PM
18°
3%
8 PM
17°
3%
9 PM
17°
3%
10 PM
14°
3%
7-Day Forecast
Tonight
17° 9°
Clear.
Wed
20° 9°
Partly Cloudy.
Thu
22° 9°
Clear.
Fri
23° 4°
Clear.
Sat
26° 11°
Clear.
Sun
26° 10°
Clear.
Mon
23° 11°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 11° Clear 3% 11 mph ENE 75%
12 AM 12° Clear 3% 12 mph ENE 74%
1 AM 12° Clear 3% 12 mph ENE 77%
2 AM 11° Clear 3% 11 mph ENE 78%
3 AM 11° Clear 3% 11 mph ENE 82%
4 AM 11° Mostly Clear 3% 11 mph ENE 86%
5 AM 10° Partly Cloudy 3% 11 mph ENE 90%
6 AM 9° Mostly Cloudy 3% 11 mph ENE 90%
7 AM 10° Mostly Cloudy 3% 12 mph ENE 90%
8 AM 11° Mostly Cloudy 3% 12 mph ENE 88%
9 AM 13° Mostly Cloudy 3% 13 mph ENE 78%
10 AM 15° Partly Cloudy 3% 13 mph E 69%
11 AM 17° Partly Cloudy 3% 14 mph E 59%
12 PM 18° Mostly Cloudy 3% 15 mph E 51%
1 PM 19° Mostly Cloudy 3% 16 mph E 44%
2 PM 20° Partly Cloudy 3% 16 mph E 42%
3 PM 20° Partly Cloudy 3% 16 mph E 42%
4 PM 20° Partly Cloudy 3% 16 mph E 43%
5 PM 19° Partly Cloudy 3% 15 mph E 44%
6 PM 19° Partly Cloudy 3% 15 mph E 49%
7 PM 18° Partly Cloudy 3% 14 mph E 55%
8 PM 17° Partly Cloudy 3% 14 mph ENE 60%
9 PM 17° Mostly Clear 3% 14 mph ENE 63%
10 PM 14° Mostly Clear 3% 13 mph ENE 66%
15-Day Forecast
Today
9/22
Clear
3%
9°
17°
Wed
9/23
Partly Cloudy
3%
9°
20°
Thu
9/24
Clear
3%
9°
22°
Fri
9/25
Clear
3%
4°
23°
Sat
9/26
Clear
3%
11°
26°
Sun
9/27
Clear
3%
10°
26°
Mon
9/28
Clear
3%
11°
23°
Tue
9/29
Clear
17%
12°
26°
Wed
9/30
Drizzle
44%
14°
28°
Thu
10/1
Rain
68%
12°
23°
Fri
10/2
Drizzle
60%
12°
21°
Sat
10/3
Drizzle
60%
13°
23°
Sun
10/4
Drizzle
60%
12°
21°
Mon
10/5
Drizzle
60%
9°
19°
Tue
10/6
Drizzle
60%
9°
19°
28
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
14 AQI 2.6 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 28 14
Thu 29 Good 29 17
Fri 31 Good 31 11
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 mer. sept. 23, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE12 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index14.9
Kinematics
0–6 km Shear20 kt
0–1 km Shear15 kt
Eff. Shear—
0–1 km SRH-42
0–3 km SRH-3
Eff. SRH—
Storm Motion17° @ 18 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-29.0
Thermo & Levels
PWAT0.39 in
0–3 km LR2.7 °C/km
700–500 LR6.3 °C/km
Total Totals20.1
LCL928 hPa
LFC997 hPa
EL997 hPa
Freezing Lvl11,335 ft