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Observed at: St. Catharines / Niagara District Airport
Date: 12:00 PM EST Friday 13 December 2024
Partly Cloudy
Partly Cloudy 		Temp.: -4 °C
Wind Chill: -9 °C
Wind: WSW 14 km/h
Humidity: 46 %
Dew point: -14 °C
Pressure: 104.0 kPa
Tendency: 0.27 kPa
Visibility: 24 km 		Sunrise: 7:41
Sunset: 16:42
Normals:
Max 2°C Min -5°C
 Extended Forecast - Environment Canada
Today
Mainly sunny
Mainly sunny
Max: -4°C
 Sat, 14 Dec
Mainly sunny
Mainly sunny
Max: 0°C
 Sun, 15 Dec
Chance of showers (60%)
Chance of showers
Max: 6°C
 Mon, 16 Dec
Chance of showers (30%)
Chance of showers
Max: 6°C
 Tue, 17 Dec
Chance of showers (40%)
Chance of showers
Max: 4°C
 Wed, 18 Dec
A mix of sun and cloud
A mix of sun and cloud
Max: 0°C
 Thu, 19 Dec
Cloudy
Cloudy
Max: 1°C
Tonight
A few clouds
A few clouds
Min: -9°C
 Night
Cloudy
Cloudy
Min: -1°C
 Night
Chance of showers (40%)
Chance of showers
Min: 3°C
 Night
Chance of showers (60%)
Chance of showers
Min: 4°C
 Night
Chance of flurries (30%)
Chance of flurries
Min: -2°C
 Night
Cloudy periods
Cloudy periods
Min: -2°C
  

Forecast

St. Catharines, ON (Issued: 11:00 AM EST Friday 13 December 2024)

Today
Mainly sunny. Wind becoming southwest 20 km/h early this afternoon. High minus 4. Wind chill near minus 11. UV index 1 or low.
Tonight
A few clouds. Wind up to 15 km/h. Low minus 9. Wind chill near minus 12.
Sat, 14 Dec
Mainly sunny. Wind becoming east 20 km/h gusting to 40 in the morning then light late in the afternoon. High zero. Wind chill minus 14 in the morning. UV index 1 or low.
Night
Cloudy. Low minus 1.
Sun, 15 Dec
Cloudy with 60 percent chance of showers. High 6.
Night
Cloudy with 40 percent chance of showers. Low plus 3.
Mon, 16 Dec
Cloudy with 30 percent chance of showers. High 6.
Night
Cloudy with 60 percent chance of showers. Low plus 4.
Tue, 17 Dec
Cloudy with 40 percent chance of showers. High plus 4.
Night
Cloudy periods with 30 percent chance of flurries. Low minus 2.
Wed, 18 Dec
A mix of sun and cloud. High zero.
Night
Cloudy periods. Low minus 2.
Thu, 19 Dec
Cloudy. High plus 1.

24 Hour Forecast - St. Catharines, ON

Date/Time Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
13 December 2024
1 PM -4 Sunny (0%)  Sunny 0 SW 20
2 PM -4 Mainly sunny (0%)  Mainly sunny 0 SW 20
3 PM -4 Mainly sunny (0%)  Mainly sunny 0 SW 20
4 PM -4 Mainly sunny (0%)  Mainly sunny 0 SW 10
5 PM -5 A few clouds (0%)  A few clouds 0 SW 10
6 PM -6 A few clouds (0%)  A few clouds 0 SW 10
7 PM -7 A few clouds (0%)  A few clouds 0 SW 10
8 PM -7 A few clouds (0%)  A few clouds 0 SW 10
9 PM -7 A few clouds (0%)  A few clouds 0 SW 10
10 PM -7 A few clouds (0%)  A few clouds 0 SW 10
11 PM -7 A few clouds (0%)  A few clouds 0 SW 10
14 December 2024
12 AM -7 A few clouds (0%)  A few clouds 0 SW 10
1 AM -7 A few clouds (0%)  A few clouds 0 VR 5
2 AM -8 A few clouds (0%)  A few clouds 0 VR 5
3 AM -8 A few clouds (0%)  A few clouds 0 VR 5
4 AM -9 A few clouds (0%)  A few clouds 0 VR 5
5 AM -9 A few clouds (0%)  A few clouds 0 VR 5
6 AM -9 A few clouds (0%)  A few clouds 0 VR 5
7 AM -9 A few clouds (0%)  A few clouds 0 SE 10
8 AM -8 Mainly sunny (0%)  Mainly sunny 0 SE 10
9 AM -7 A mix of sun and cloud (0%)  A mix of sun and cloud 0 SE 10
10 AM -6 A mix of sun and cloud (0%)  A mix of sun and cloud 0 E 20 gust 40
11 AM -4 A mix of sun and cloud (0%)  A mix of sun and cloud 0 E 20 gust 40
12 PM -2 A mix of sun and cloud (0%)  A mix of sun and cloud 0 E 20 gust 40
 
† 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