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Observed at: London Int'l Airport
Date: 12:00 AM EDT Sunday 18 October 2026
Clear
Clear 		Temp.: 4 °C
Wind: SW 11 km/h
Humidity: 74 %
Dew point: 0 °C
Pressure: 103.1 kPa
Tendency: 0.04 kPa
Visibility: 24 km 		Sunrise: 7:42
Sunset: 18:38
Normals:
Max 13°C Min 4°C
 Extended Forecast - Environment Canada
  Sun, 18 Oct
Sunny
Sunny
Max: 15°C
 Mon, 19 Oct
Sunny
Sunny
Max: 17°C
 Tue, 20 Oct
Sunny
Sunny
Max: 18°C
 Wed, 21 Oct
Sunny
Sunny
Max: 16°C
 Thu, 22 Oct
A mix of sun and cloud
A mix of sun and cloud
Max: 15°C
 Fri, 23 Oct
A mix of sun and cloud
A mix of sun and cloud
Max: 15°C
Tonight
Clear
Clear
Min: 2°C
 Night
Clear
Clear
Min: 2°C
 Night
Clear
Clear
Min: 3°C
 Night
Clear
Clear
Min: 0°C
 Night
Clear
Clear
Min: 6°C
 Night
Cloudy periods
Cloudy periods
Min: 5°C

Forecast

London, ON (Issued: 3:30 PM EDT Saturday 17 October 2026)

Tonight
Clear. Low plus 2.
Sun, 18 Oct
Sunny. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 15. UV index 4 or moderate.
Night
Clear. Wind southwest 40 km/h gusting to 60 becoming light after midnight. Low plus 2.
Mon, 19 Oct
Sunny. High 17.
Night
Clear. Low plus 3.
Tue, 20 Oct
Sunny. High 18.
Night
Clear. Low zero.
Wed, 21 Oct
Sunny. High 16.
Night
Clear. Low 6.
Thu, 22 Oct
A mix of sun and cloud. High 15.
Night
Cloudy periods. Low plus 5.
Fri, 23 Oct
A mix of sun and cloud. High 15.

24 Hour Forecast - London, ON

Date/Time Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
18 October 2026
2 AM 2 Clear (0%)  Clear 0 SW 10
3 AM 2 Clear (0%)  Clear 0 SW 15
4 AM 2 Clear (0%)  Clear 0 SW 15
5 AM 2 Clear (0%)  Clear 0 SW 15
6 AM 2 Clear (0%)  Clear 0 SW 15
7 AM 3 Clear (0%)  Clear 0 SW 15
8 AM 3 Sunny (0%)  Sunny 0 SW 15
9 AM 5 Sunny (0%)  Sunny 0 SW 20
10 AM 6 Sunny (0%)  Sunny 0 SW 20
11 AM 8 Sunny (0%)  Sunny 0 SW 20
12 PM 10 Sunny (0%)  Sunny 0 SW 30 gust 50
1 PM 11 Sunny (0%)  Sunny 0 SW 30 gust 50
2 PM 13 Sunny (0%)  Sunny 0 SW 30 gust 50
3 PM 14 Sunny (0%)  Sunny 0 SW 30 gust 50
4 PM 14 Sunny (0%)  Sunny 0 SW 30 gust 50
5 PM 15 Sunny (0%)  Sunny 0 SW 30 gust 50
6 PM 14 Sunny (0%)  Sunny 0 SW 40 gust 60
7 PM 13 Clear (0%)  Clear 0 SW 40 gust 60
8 PM 12 Clear (0%)  Clear 0 SW 40 gust 60
9 PM 10 Clear (0%)  Clear 0 SW 40 gust 60
10 PM 9 Clear (0%)  Clear 0 SW 40 gust 60
11 PM 7 Clear (0%)  Clear 0 SW 40 gust 60
19 October 2026
12 AM 6 Clear (0%)  Clear 0 SW 40 gust 60
1 AM 6 Clear (0%)  Clear 0 SW 40 gust 60
 
† 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