Observed at: London Int'l Airport
Date: 12:00 AM EDT Monday 14 September 2026
Clear
Clear
Temp.: 15 °C
Wind: N 17 km/h
Humidity: 81 %
Dew point: 11 °C
Pressure: 101.9 kPa
Tendency: 0.30 kPa
Visibility: 24 km
Sunrise: 7:03
Sunset: 19:37
Normals:
Max 21°C Min 11°C
 Extended Forecast - Environment Canada
  Mon, 14 Sep
A mix of sun and cloud
A mix of sun and cloud
Max: 20°C
Tue, 15 Sep
Cloudy
Cloudy
Max: 24°C
Wed, 16 Sep
Chance of showers (40%)
Chance of showers
Max: 25°C
Thu, 17 Sep
Chance of showers (60%)
Chance of showers
Max: 21°C
Fri, 18 Sep
A mix of sun and cloud
A mix of sun and cloud
Max: 20°C
Sat, 19 Sep
Cloudy
Cloudy
Max: 19°C
Tonight
Chance of showers (40%)
Chance of showers
Min: 11°C
Night
Clear
Clear
Min: 9°C
Night
Chance of showers (60%)
Chance of showers
Min: 19°C
Night
Cloudy periods
Cloudy periods
Min: 13°C
Night
Cloudy
Cloudy
Min: 13°C
Night
Cloudy periods
Cloudy periods
Min: 11°C

Forecast

London, ON (Issued: 3:30 PM EDT Sunday 13 September 2026)

Tonight
Partly cloudy. 40 percent chance of showers this evening. Wind northwest 20 km/h gusting to 40 becoming light late this evening. Low 11.
Mon, 14 Sep
A mix of sun and cloud. Clearing late in the afternoon. Wind north 20 km/h becoming light in the afternoon. High 20. UV index 5 or moderate.
Night
Clear. Fog patches developing overnight. Low 9.
Tue, 15 Sep
Cloudy. High 24.
Night
Cloudy with 60 percent chance of showers. Low 19.
Wed, 16 Sep
A mix of sun and cloud with 40 percent chance of showers. High 25.
Night
Cloudy periods. Low 13.
Thu, 17 Sep
Cloudy with 60 percent chance of showers. High 21.
Night
Cloudy. Low 13.
Fri, 18 Sep
A mix of sun and cloud. High 20.
Night
Cloudy periods. Low 11.
Sat, 19 Sep
Cloudy. High 19.

24 Hour Forecast - London, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
14 September 2026
1 AM 14 Partly cloudy (0%)  Partly cloudy 0 N 15
2 AM 13 Partly cloudy (0%)  Partly cloudy 0 N 10
3 AM 13 Partly cloudy (0%)  Partly cloudy 0 N 10
4 AM 12 Partly cloudy (0%)  Partly cloudy 0 N 10
5 AM 12 Partly cloudy (0%)  Partly cloudy 0 VR 5
6 AM 12 Partly cloudy (0%)  Partly cloudy 0 VR 5
7 AM 11 A mix of sun and cloud (0%)  A mix of sun and cloud 0 VR 5
8 AM 11 Mainly cloudy (0%)  Mainly cloudy 0 N 20
9 AM 13 Mainly cloudy (0%)  Mainly cloudy 0 N 20
10 AM 15 Mainly cloudy (0%)  Mainly cloudy 0 N 20
11 AM 17 Mainly cloudy (0%)  Mainly cloudy 0 NW 20
12 PM 18 Mainly cloudy (0%)  Mainly cloudy 0 NW 20
1 PM 18 Mainly cloudy (0%)  Mainly cloudy 0 NW 20
2 PM 19 A mix of sun and cloud (0%)  A mix of sun and cloud 0 NW 10
3 PM 19 A mix of sun and cloud (0%)  A mix of sun and cloud 0 NW 10
4 PM 20 A mix of sun and cloud (0%)  A mix of sun and cloud 0 NW 10
5 PM 20 Sunny (0%)  Sunny 0 VR 5
6 PM 18 Sunny (0%)  Sunny 0 VR 5
7 PM 17 Sunny (0%)  Sunny 0 VR 5
8 PM 15 Clear (0%)  Clear 0 VR 5
9 PM 14 Clear (0%)  Clear 0 VR 5
10 PM 13 Clear (0%)  Clear 0 VR 5
11 PM 12 Clear (0%)  Clear 0 SE 10
15 September 2026
12 AM 11 Clear (0%)  Clear 0 SE 10
 
† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time.
  Nil: 0%
  Low: 40% or below
  Medium: 60% or 70%
  High: Above 70%

Environment Canada