Observed at: London Int'l Airport
Date: 5:00 PM EDT Friday 11 September 2026
Sunny
Sunny
Temp.: 22 °C
Wind: NNE 4 km/h
Humidity: 48 %
Dew point: 10 °C
Pressure: 101.7 kPa
Tendency: 0.21 kPa
Visibility: 24 km
Sunrise: 7:00
Sunset: 19:43
Normals:
Max 22°C Min 11°C
 Extended Forecast - Environment Canada
  Sat, 12 Sep
Chance of showers (40%)
Chance of showers
Max: 25°C
Sun, 13 Sep
Chance of showers (30%)
Chance of showers
Max: 24°C
Mon, 14 Sep
Sunny
Sunny
Max: 20°C
Tue, 15 Sep
Chance of showers (30%)
Chance of showers
Max: 25°C
Wed, 16 Sep
Chance of showers (40%)
Chance of showers
Max: 23°C
Thu, 17 Sep
Cloudy
Cloudy
Max: 23°C
Tonight
Clear
Clear
Min: 13°C
Night
Chance of showers (40%)
Chance of showers
Min: 18°C
Night
Chance of showers (40%)
Chance of showers
Min: 10°C
Night
Cloudy
Cloudy
Min: 12°C
Night
Chance of showers (60%)
Chance of showers
Min: 15°C
Night
Chance of showers (40%)
Chance of showers
Min: 14°C

Forecast

London, ON (Issued: 3:30 PM EDT Friday 11 September 2026)

Tonight
Clear. Low 13.
Sat, 12 Sep
Increasing cloudiness. 40 percent chance of showers late in the afternoon with risk of thunderstorms. Wind becoming south 30 km/h in the morning. High 25. Humidex 32. UV index 7 or high.
Night
Partly cloudy with 40 percent chance of showers and risk of thunderstorms. Wind becoming southwest 20 km/h near midnight. Low 18.
Sun, 13 Sep
A mix of sun and cloud with 30 percent chance of showers. High 24.
Night
Cloudy periods with 40 percent chance of showers. Low 10.
Mon, 14 Sep
Sunny. High 20.
Night
Increasing cloudiness. Low 12.
Tue, 15 Sep
Cloudy with 30 percent chance of showers. High 25.
Night
Cloudy with 60 percent chance of showers. Low 15.
Wed, 16 Sep
Cloudy with 40 percent chance of showers. High 23.
Night
Cloudy with 40 percent chance of showers. Low 14.
Thu, 17 Sep
Cloudy. High 23.

24 Hour Forecast - London, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
11 September 2026
6 PM 22 Sunny (0%)  Sunny 0 VR Calm
7 PM 21 Sunny (0%)  Sunny 0 VR Calm
8 PM 19 Clear (0%)  Clear 0 SE 10
9 PM 17 Clear (0%)  Clear 0 SE 10
10 PM 16 Clear (0%)  Clear 0 SE 10
11 PM 14 Clear (0%)  Clear 0 SE 10
12 September 2026
12 AM 14 Clear (0%)  Clear 0 SE 10
1 AM 13 Clear (0%)  Clear 0 SE 10
2 AM 13 Clear (0%)  Clear 0 E 10
3 AM 13 Clear (0%)  Clear 0 E 10
4 AM 13 Clear (0%)  Clear 0 E 10
5 AM 13 Clear (0%)  Clear 0 E 10
6 AM 14 Clear (0%)  Clear 0 E 10
7 AM 15 Sunny (0%)  Sunny 0 E 10
8 AM 16 Sunny (0%)  Sunny 0 S 20
9 AM 18 Mainly sunny (0%)  Mainly sunny 0 S 20
10 AM 21 Mainly sunny (0%)  Mainly sunny 0 S 20
11 AM 23 A mix of sun and cloud (0%)  A mix of sun and cloud 0 S 20
12 PM 24 A mix of sun and cloud (0%)  A mix of sun and cloud 0 S 20
1 PM 24 Cloudy (0%)  Cloudy 0 S 20
2 PM 25 Overcast (0%)  Overcast 0 S 30
3 PM 24 Chance of showers. Risk of thunderstorms (40%)  Chance of showers. Risk of thunderstorms 40 S 30
4 PM 22 Chance of showers. Risk of thunderstorms (40%)  Chance of showers. Risk of thunderstorms 40 S 30
5 PM 21 Chance of showers. Risk of thunderstorms (40%)  Chance of showers. Risk of thunderstorms 40 SW 15
 
† 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