Observed at: London Int'l Airport
Date: 4:00 AM EST Tuesday 16 December 2025
Light Snow
Light Snow
Temp.: -8 °C
Wind Chill: -13 °C
Wind: WSW 9 km/h
Humidity: 75 %
Dew point: -12 °C
Pressure: 102.0 kPa
Tendency: 0.03 kPa
Visibility: 24 km
Sunrise: 7:50
Sunset: 16:51
Normals:
Max 0°C Min -7°C
 Extended Forecast - Environment Canada
Today
Chance of flurries (30%)
Chance of flurries
Max: -2°C
Wed, 17 Dec
Cloudy
Cloudy
Max: 4°C
Thu, 18 Dec
Rain
Rain
Max: 5°C
Fri, 19 Dec
Chance of flurries (40%)
Chance of flurries
Max: -5°C
Sat, 20 Dec
Chance of rain showers or flurries (40%)
Chance of rain showers or flurries
Max: 2°C
Sun, 21 Dec
Cloudy
Cloudy
Max: 0°C
Mon, 22 Dec
Cloudy
Cloudy
Max: 2°C
Tonight
Cloudy
Cloudy
Min: -2°C
Night
Cloudy
Cloudy
Min: -1°C
Night
Rain showers or flurries
Rain showers or flurries
Min: -5°C
Night
Cloudy
Cloudy
Min: -7°C
Night
Chance of flurries (40%)
Chance of flurries
Min: -4°C
Night
Cloudy
Cloudy
Min: -3°C
 

Forecast

London, ON (Issued: 5:00 AM EST Tuesday 16 December 2025)

Today
Mainly cloudy. 30 percent chance of flurries early this morning. Wind becoming southwest 30 km/h gusting to 50 late this morning. High minus 2. Wind chill minus 22 this morning and minus 10 this afternoon. UV index 1 or low.
Tonight
Partly cloudy. Becoming cloudy this evening. Wind southwest 30 km/h gusting to 50. Low minus 2. Wind chill minus 10 this evening.
Wed, 17 Dec
Cloudy. Wind southwest 30 km/h gusting to 50. High plus 4. UV index 1 or low.
Night
Cloudy. Low minus 1.
Thu, 18 Dec
Rain. Windy. High plus 5.
Night
Rain showers or flurries. Low minus 5.
Fri, 19 Dec
Cloudy with 40 percent chance of flurries. High minus 5.
Night
Cloudy. Low minus 7.
Sat, 20 Dec
Cloudy with 40 percent chance of rain showers or flurries. High plus 2.
Night
Cloudy with 40 percent chance of flurries. Low minus 4.
Sun, 21 Dec
Cloudy. High zero.
Night
Cloudy. Low minus 3.
Mon, 22 Dec
Cloudy. High plus 2.

24 Hour Forecast - London, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
16 December 2025
5 AM -14 Chance of flurries (30%)  Chance of flurries 30 SW 15
6 AM -14 Chance of flurries (30%)  Chance of flurries 30 SW 15
7 AM -14 Chance of flurries (30%)  Chance of flurries 30 SW 15
8 AM -13 Cloudy (20%)  Cloudy 20 SW 15
9 AM -12 Cloudy (20%)  Cloudy 20 SW 15
10 AM -11 Cloudy (20%)  Cloudy 20 SW 15
11 AM -10 Cloudy (20%)  Cloudy 20 SW 20
12 PM -9 Cloudy (20%)  Cloudy 20 SW 20
1 PM -8 Mainly cloudy (20%)  Mainly cloudy 20 SW 20
2 PM -6 Mainly cloudy (20%)  Mainly cloudy 20 SW 30 gust 50
3 PM -5 A mix of sun and cloud (20%)  A mix of sun and cloud 20 SW 30 gust 50
4 PM -3 A mix of sun and cloud (20%)  A mix of sun and cloud 20 SW 30 gust 50
5 PM -3 A few clouds (20%)  A few clouds 20 SW 30 gust 50
6 PM -2 Partly cloudy (20%)  Partly cloudy 20 SW 30 gust 50
7 PM -2 Partly cloudy (20%)  Partly cloudy 20 SW 30 gust 50
8 PM -2 Partly cloudy (20%)  Partly cloudy 20 SW 30 gust 50
9 PM -2 Mainly cloudy (20%)  Mainly cloudy 20 SW 30 gust 50
10 PM -1 Cloudy (20%)  Cloudy 20 SW 30 gust 50
11 PM -1 Cloudy (20%)  Cloudy 20 SW 30 gust 50
17 December 2025
12 AM -2 Overcast (20%)  Overcast 20 SW 30
1 AM -2 Overcast (20%)  Overcast 20 SW 30
2 AM -2 Overcast (20%)  Overcast 20 SW 30
3 AM -1 Overcast (20%)  Overcast 20 SW 30
4 AM -1 Overcast (20%)  Overcast 20 SW 30
 
† 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