Observed at: London Int'l Airport
Date: 11:00 AM EDT Friday 15 May 2026
Mostly Cloudy
Mostly Cloudy
Temp.: 16 °C
Wind: SW 10 km/h
Humidity: 42 %
Dew point: 3 °C
Pressure: 101.8 kPa
Tendency: 0.11 kPa
Visibility: 24 km
Sunrise: 6:02
Sunset: 20:41
Normals:
Max 20°C Min 8°C
 Extended Forecast - Environment Canada
Today
A mix of sun and cloud
A mix of sun and cloud
Max: 20°C
Sat, 16 May
Chance of showers (70%)
Chance of showers
Max: 23°C
Sun, 17 May
Cloudy
Cloudy
Max: 21°C
Mon, 18 May
Chance of showers (30%)
Chance of showers
Max: 30°C
Tue, 19 May
Chance of showers (30%)
Chance of showers
Max: 30°C
Wed, 20 May
Chance of showers (60%)
Chance of showers
Max: 22°C
Thu, 21 May
A mix of sun and cloud
A mix of sun and cloud
Max: 17°C
Tonight
Clearing
Clearing
Min: 9°C
Night
Clear
Clear
Min: 11°C
Night
Clear
Clear
Min: 14°C
Night
Chance of showers (40%)
Chance of showers
Min: 19°C
Night
Chance of showers (60%)
Chance of showers
Min: 14°C
Night
Cloudy periods
Cloudy periods
Min: 4°C
 

Forecast

London, ON (Issued: 11:00 AM EDT Friday 15 May 2026)

Today
A mix of sun and cloud. High 20. UV index 7 or high.
Tonight
Clearing this evening. Low 9.
Sat, 16 May
Cloudy. 70 percent chance of showers late in the morning and in the afternoon. Risk of a thunderstorm in the afternoon. Wind south 30 km/h. High 23. Humidex 29. UV index 3 or moderate.
Night
Clear. Low 11.
Sun, 17 May
Cloudy. High 21.
Night
Clear. Low 14.
Mon, 18 May
A mix of sun and cloud with 30 percent chance of showers. Windy. High 30.
Night
Cloudy periods with 40 percent chance of showers. Low 19.
Tue, 19 May
A mix of sun and cloud with 30 percent chance of showers. Windy. High 30.
Night
Cloudy with 60 percent chance of showers. Low 14.
Wed, 20 May
A mix of sun and cloud with 60 percent chance of showers. High 22.
Night
Cloudy periods. Low plus 4.
Thu, 21 May
A mix of sun and cloud. High 17.

24 Hour Forecast - London, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
15 May 2026
12 PM 15 A mix of sun and cloud (20%)  A mix of sun and cloud 20 SW 10
1 PM 16 A mix of sun and cloud (20%)  A mix of sun and cloud 20 SW 10
2 PM 17 A mix of sun and cloud (20%)  A mix of sun and cloud 20 S 15
3 PM 18 A mix of sun and cloud (20%)  A mix of sun and cloud 20 S 15
4 PM 19 A mix of sun and cloud (20%)  A mix of sun and cloud 20 S 15
5 PM 20 A mix of sun and cloud (20%)  A mix of sun and cloud 20 S 15
6 PM 19 A mix of sun and cloud (20%)  A mix of sun and cloud 20 S 15
7 PM 18 Sunny (20%)  Sunny 20 S 15
8 PM 17 Sunny (20%)  Sunny 20 S 10
9 PM 15 Clear (0%)  Clear 0 S 10
10 PM 12 Clear (0%)  Clear 0 S 10
11 PM 10 Clear (0%)  Clear 0 S 10
16 May 2026
12 AM 10 Clear (0%)  Clear 0 S 10
1 AM 9 Clear (0%)  Clear 0 S 10
2 AM 9 Clear (0%)  Clear 0 S 10
3 AM 9 Clear (0%)  Clear 0 S 10
4 AM 9 A few clouds (0%)  A few clouds 0 S 10
5 AM 9 Partly cloudy (0%)  Partly cloudy 0 S 10
6 AM 11 Mainly cloudy (0%)  Mainly cloudy 0 S 20
7 AM 12 Cloudy (0%)  Cloudy 0 S 20
8 AM 14 Overcast (0%)  Overcast 0 S 20
9 AM 14 Chance of showers (70%)  Chance of showers 70 S 20
10 AM 14 Chance of showers (70%)  Chance of showers 70 S 20
11 AM 14 Chance of showers (70%)  Chance of showers 70 S 20
 
† 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