Observed at: St. Catharines / Niagara District Airport
Date: 10:00 PM EST Wednesday 11 February 2026
Temp.: -2 °C
Wind Chill: -8 °C
Wind: NW 23 gust 35 km/h
Humidity: 69 %
Dew point: -7 °C
Pressure: 101.8 kPa
Tendency: kPa
Visibility: km
Sunrise: 7:21
Sunset: 17:43
Normals:
Max -1°C Min -8°C
 Extended Forecast - Environment Canada
  Thu, 12 Feb
Mainly cloudy
Mainly cloudy
Max: -3°C
Fri, 13 Feb
Chance of flurries (40%)
Chance of flurries
Max: 0°C
Sat, 14 Feb
A mix of sun and cloud
A mix of sun and cloud
Max: 1°C
Sun, 15 Feb
Cloudy
Cloudy
Max: 3°C
Mon, 16 Feb
Cloudy
Cloudy
Max: 5°C
Tue, 17 Feb
Cloudy
Cloudy
Max: 6°C
Tonight
Chance of flurries (30%)
Chance of flurries
Min: -7°C
Night
A few clouds
A few clouds
Min: -15°C
Night
Chance of flurries (30%)
Chance of flurries
Min: -3°C
Night
Cloudy periods
Cloudy periods
Min: -5°C
Night
Cloudy
Cloudy
Min: -1°C
Night
Cloudy
Cloudy
Min: 1°C

Forecast

St. Catharines, ON (Issued: 3:30 PM EST Wednesday 11 February 2026)

Tonight
Cloudy. 30 percent chance of flurries this evening. Wind west 40 km/h gusting to 60 becoming light after midnight. Low minus 7. Wind chill minus 13 overnight.
Thu, 12 Feb
Cloudy. Becoming a mix of sun and cloud in the afternoon. Wind becoming northwest 20 km/h early in the afternoon. High minus 3. Wind chill minus 13 in the morning and minus 7 in the afternoon. UV index 1 or low.
Night
A few clouds. Wind up to 15 km/h. Low minus 15. Wind chill minus 8 in the evening and minus 20 overnight.
Fri, 13 Feb
A mix of sun and cloud with 40 percent chance of flurries. High zero.
Night
Cloudy with 30 percent chance of flurries. Low minus 3.
Sat, 14 Feb
A mix of sun and cloud. High plus 1.
Night
Cloudy periods. Low minus 5.
Sun, 15 Feb
Cloudy. High plus 3.
Night
Cloudy. Low minus 1.
Mon, 16 Feb
Cloudy. High plus 5.
Night
Cloudy. Low plus 1.
Tue, 17 Feb
Cloudy. High 6.

24 Hour Forecast - St. Catharines, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
11 February 2026
11 PM -3 Chance of flurries (30%)  Chance of flurries 30 W 30
12 February 2026
12 AM -4 Cloudy (20%)  Cloudy 20 W 30
1 AM -5 Cloudy (20%)  Cloudy 20 W 15
2 AM -5 Cloudy (20%)  Cloudy 20 W 15
3 AM -6 Cloudy (20%)  Cloudy 20 W 15
4 AM -6 Cloudy (20%)  Cloudy 20 W 15
5 AM -6 Cloudy (20%)  Cloudy 20 W 15
6 AM -7 Cloudy (20%)  Cloudy 20 W 15
7 AM -7 Cloudy (20%)  Cloudy 20 W 15
8 AM -6 Cloudy (20%)  Cloudy 20 W 15
9 AM -5 Cloudy (20%)  Cloudy 20 W 15
10 AM -4 Cloudy (20%)  Cloudy 20 W 15
11 AM -4 Cloudy (20%)  Cloudy 20 W 15
12 PM -3 Cloudy (20%)  Cloudy 20 W 15
1 PM -3 Cloudy (20%)  Cloudy 20 NW 20
2 PM -3 Mainly cloudy (20%)  Mainly cloudy 20 NW 20
3 PM -3 A mix of sun and cloud (20%)  A mix of sun and cloud 20 NW 20
4 PM -3 A mix of sun and cloud (20%)  A mix of sun and cloud 20 NW 10
5 PM -3 A mix of sun and cloud (20%)  A mix of sun and cloud 20 NW 10
6 PM -4 Partly cloudy (0%)  Partly cloudy 0 NW 10
7 PM -4 Partly cloudy (0%)  Partly cloudy 0 NW 10
8 PM -4 A few clouds (0%)  A few clouds 0 NW 10
9 PM -5 A few clouds (0%)  A few clouds 0 NW 10
10 PM -5 A few clouds (0%)  A few clouds 0 NW 10
 
† 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