Observed at: London Int'l Airport
Date: 12:00 PM EDT Friday 17 April 2026
Cloudy
Cloudy
Temp.: 13 °C
Wind: E 12 km/h
Humidity: 91 %
Dew point: 11 °C
Pressure: 101.8 kPa
Tendency: 0.14 kPa
Visibility: 16 km
Sunrise: 6:40
Sunset: 20:10
Normals:
Max 13°C Min 3°C
 Extended Forecast - Environment Canada
Today
A mix of sun and cloud
A mix of sun and cloud
Max: 20°C
Sat, 18 Apr
Showers
Showers
Max: 19°C
Sun, 19 Apr
Chance of showers (40%)
Chance of showers
Max: 4°C
Mon, 20 Apr
Chance of flurries (30%)
Chance of flurries
Max: 4°C
Tue, 21 Apr
Chance of showers (30%)
Chance of showers
Max: 12°C
Wed, 22 Apr
A mix of sun and cloud
A mix of sun and cloud
Max: 18°C
Thu, 23 Apr
A mix of sun and cloud
A mix of sun and cloud
Max: 19°C
Tonight
A few clouds
A few clouds
Min: 11°C
Night
Cloudy periods
Cloudy periods
Min: -1°C
Night
Chance of rain showers or flurries (40%)
Chance of rain showers or flurries
Min: -5°C
Night
Clear
Clear
Min: -4°C
Night
Chance of showers (30%)
Chance of showers
Min: 6°C
Night
Cloudy periods
Cloudy periods
Min: 6°C
 

Forecast

London, ON (Issued: 11:00 AM EDT Friday 17 April 2026)

Today
Cloudy. Becoming a mix of sun and cloud this afternoon. High 20. UV index 7 or high.
Tonight
Clear. Becoming partly cloudy near midnight. Low 11.
Sat, 18 Apr
Cloudy. Showers beginning in the morning and ending late in the afternoon. Risk of a thunderstorm in the morning and afternoon. Local amount 10 to 15 mm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 19. UV index 3 or moderate.
Night
Cloudy periods. Low minus 1.
Sun, 19 Apr
Cloudy with 40 percent chance of showers. High plus 4.
Night
Cloudy periods with 40 percent chance of rain showers or flurries. Low minus 5.
Mon, 20 Apr
A mix of sun and cloud with 30 percent chance of flurries. High plus 4.
Night
Clear. Low minus 4.
Tue, 21 Apr
A mix of sun and cloud with 30 percent chance of showers. High 12.
Night
Cloudy periods with 30 percent chance of showers. Low 6.
Wed, 22 Apr
A mix of sun and cloud. High 18.
Night
Cloudy periods. Low 6.
Thu, 23 Apr
A mix of sun and cloud. High 19.

24 Hour Forecast - London, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
17 April 2026
1 PM 17 A mix of sun and cloud (10%)  A mix of sun and cloud 10 S 15
2 PM 18 A mix of sun and cloud (10%)  A mix of sun and cloud 10 S 15
3 PM 19 A mix of sun and cloud (10%)  A mix of sun and cloud 10 S 15
4 PM 20 A mix of sun and cloud (10%)  A mix of sun and cloud 10 S 15
5 PM 20 A mix of sun and cloud (10%)  A mix of sun and cloud 10 S 15
6 PM 18 Sunny (10%)  Sunny 10 S 15
7 PM 17 Sunny (10%)  Sunny 10 S 15
8 PM 15 Clear (10%)  Clear 10 SE 15
9 PM 14 Clear (10%)  Clear 10 SE 15
10 PM 12 Clear (10%)  Clear 10 SE 15
11 PM 11 A few clouds (10%)  A few clouds 10 SE 15
18 April 2026
12 AM 11 A few clouds (20%)  A few clouds 20 SE 15
1 AM 11 A few clouds (20%)  A few clouds 20 SE 15
2 AM 11 A few clouds (20%)  A few clouds 20 SW 10
3 AM 11 Partly cloudy (20%)  Partly cloudy 20 SW 10
4 AM 11 Partly cloudy (20%)  Partly cloudy 20 SW 10
5 AM 11 Mainly cloudy (20%)  Mainly cloudy 20 SW 10
6 AM 12 Cloudy (20%)  Cloudy 20 SW 15
7 AM 13 Cloudy (20%)  Cloudy 20 SW 15
8 AM 14 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms 80 SW 15
9 AM 15 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms 80 SW 15
10 AM 16 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms 80 SW 30 gust 50
11 AM 17 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms 80 SW 30 gust 50
12 PM 18 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms 80 SW 30 gust 50
 
† 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