Observed at: St. Catharines / Niagara District Airport
Date: 6:00 AM EST Sunday 22 February 2026
Temp.: -1 °C
Wind Chill: -3 °C
Wind: SSW 7 km/h
Humidity: 100 %
Dew point: -1 °C
Pressure: 101.6 kPa
Tendency: kPa
Visibility: km 		Sunrise: 7:05
Sunset: 17:57
Normals:
Max 0°C Min -6°C
 Extended Forecast - Environment Canada
Today
Periods of snow
Periods of snow
Max: 2°C
 Mon, 23 Feb
Flurries
Flurries
Max: -2°C
 Tue, 24 Feb
A mix of sun and cloud
A mix of sun and cloud
Max: -6°C
 Wed, 25 Feb
Chance of flurries (40%)
Chance of flurries
Max: 2°C
 Thu, 26 Feb
Chance of snow or rain (60%)
Chance of snow or rain
Max: 1°C
 Fri, 27 Feb
Cloudy
Cloudy
Max: 4°C
 Sat, 28 Feb
Cloudy
Cloudy
Max: 6°C
Tonight
Periods of snow
Periods of snow
Min: -2°C
 Night
Cloudy
Cloudy
Min: -13°C
 Night
Periods of snow
Periods of snow
Min: -6°C
 Night
Chance of snow or rain (60%)
Chance of snow or rain
Min: -2°C
 Night
Chance of snow (40%)
Chance of snow
Min: -3°C
 Night
Cloudy
Cloudy
Min: 2°C
  

Forecast

St. Catharines, ON (Issued: 5:00 AM EST Sunday 22 February 2026)

Today
Periods of snow. Amount 2 cm. Wind up to 15 km/h. High plus 2. Wind chill minus 5 this morning. UV index 1 or low.
Tonight
Periods of light snow. Local blowing snow overnight. Local amount 2 cm. Wind becoming north 30 km/h gusting to 50 overnight. Low minus 2. Wind chill minus 9 overnight.
Mon, 23 Feb
Flurries. Local blowing snow. Local amount 2 cm. Wind northwest 30 km/h gusting to 50. High minus 2. Wind chill near minus 13. UV index 1 or low.
Night
Cloudy. Low minus 13.
Tue, 24 Feb
A mix of sun and cloud. High minus 6.
Night
Periods of snow. Low minus 6.
Wed, 25 Feb
Cloudy with 40 percent chance of flurries. High plus 2.
Night
Cloudy with 60 percent chance of snow or rain. Low minus 2.
Thu, 26 Feb
Cloudy with 60 percent chance of snow or rain. High plus 1.
Night
Cloudy with 40 percent chance of snow. Low minus 3.
Fri, 27 Feb
Cloudy. High plus 4.
Night
Cloudy. Low plus 2.
Sat, 28 Feb
Cloudy. High 6.

24 Hour Forecast - St. Catharines, ON

Date/Time Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
22 February 2026
7 AM -1 Periods of snow (80%)  Periods of snow 80 SW 10
8 AM 0 Periods of snow (80%)  Periods of snow 80 SW 10
9 AM 0 Periods of snow (80%)  Periods of snow 80 SW 15
10 AM 1 Periods of snow (80%)  Periods of snow 80 SW 15
11 AM 1 Periods of snow (80%)  Periods of snow 80 SW 15
12 PM 2 Periods of snow (80%)  Periods of snow 80 SW 15
1 PM 2 Periods of snow (80%)  Periods of snow 80 SW 15
2 PM 2 Periods of snow (80%)  Periods of snow 80 SW 15
3 PM 2 Periods of snow (80%)  Periods of snow 80 SW 15
4 PM 2 Periods of snow (80%)  Periods of snow 80 SW 15
5 PM 2 Periods of snow (80%)  Periods of snow 80 SW 15
6 PM 1 Periods of light snow (80%)  Periods of light snow 80 NW 10
7 PM 1 Periods of light snow (80%)  Periods of light snow 80 NW 10
8 PM 1 Periods of light snow (80%)  Periods of light snow 80 NW 10
9 PM 0 Periods of light snow (80%)  Periods of light snow 80 NW 10
10 PM 0 Periods of light snow (80%)  Periods of light snow 80 NW 10
11 PM 0 Periods of light snow (80%)  Periods of light snow 80 NW 10
23 February 2026
12 AM -1 Periods of light snow (80%)  Periods of light snow 80 NW 10
1 AM -1 Periods of light snow (80%)  Periods of light snow 80 NW 10
2 AM -1 Periods of light snow (80%)  Periods of light snow 80 NW 10
3 AM -2 Flurries (80%)  Flurries 80 N 30 gust 50
4 AM -2 Flurries (80%)  Flurries 80 N 30 gust 50
5 AM -2 Flurries (80%)  Flurries 80 N 30 gust 50
6 AM -2 Flurries (80%)  Flurries 80 N 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