Observed at: St. Catharines / Niagara District Airport
Date: 3:00 AM EST Wednesday 14 January 2026
Temp.: 5 °C
Wind: SW 30 gust 42 km/h
Humidity: 77 %
Dew point: 1 °C
Pressure: 99.8 kPa
Tendency: kPa
Visibility: km 		Sunrise: 7:47
Sunset: 17:06
Normals:
Max -2°C Min -8°C
 Extended Forecast - Environment Canada
Tonight
Periods of drizzle (40%)
Periods of drizzle
Min: 5°C
 Night
Snow
Snow
Min: -12°C
 Night
Chance of flurries (30%)
Chance of flurries
Min: -10°C
 Night
Chance of flurries (60%)
Chance of flurries
Min: -2°C
 Night
Chance of flurries (40%)
Chance of flurries
Min: -6°C
 Night
Chance of flurries (40%)
Chance of flurries
Min: -6°C
  
Wed, 14 Jan
Flurries
Flurries
Max: 3°C
 Thu, 15 Jan
Chance of flurries (40%)
Chance of flurries
Max: -8°C
 Fri, 16 Jan
Periods of snow
Periods of snow
Max: -1°C
 Sat, 17 Jan
Chance of flurries (60%)
Chance of flurries
Max: 1°C
 Sun, 18 Jan
Chance of flurries (40%)
Chance of flurries
Max: -3°C
 Mon, 19 Jan
Chance of flurries (60%)
Chance of flurries
Max: -4°C

Forecast

St. Catharines, ON (Issued: 6:20 PM EST Tuesday 13 January 2026)

Tonight
Cloudy. 40 percent chance of drizzle late this evening and overnight. Wind southwest 50 km/h gusting to 70 diminishing to 30 gusting to 50 after midnight. Temperature steady near plus 5.
Wed, 14 Jan
Cloudy. 40 percent chance of drizzle early in the morning. Flurries beginning in the morning. Wind southwest 20 km/h gusting to 40 becoming northwest 20 gusting to 40 in the morning. Temperature falling to minus 1 in the afternoon. Wind chill minus 8 in the afternoon.
Night
Snow. Amount 5 cm. Wind northwest 30 km/h gusting to 50. Low minus 12. Wind chill minus 8 in the evening and minus 21 overnight.
Thu, 15 Jan
Cloudy with 40 percent chance of flurries. High minus 8.
Night
Cloudy periods with 30 percent chance of flurries. Low minus 10.
Fri, 16 Jan
Periods of snow. Windy. High minus 1.
Night
Cloudy with 60 percent chance of flurries. Windy. Low minus 2.
Sat, 17 Jan
Cloudy with 60 percent chance of flurries. High plus 1.
Night
Cloudy with 40 percent chance of flurries. Low minus 6.
Sun, 18 Jan
Cloudy with 40 percent chance of flurries. High minus 3.
Night
Cloudy with 40 percent chance of flurries. Low minus 6.
Mon, 19 Jan
Cloudy with 60 percent chance of flurries. High minus 4.

24 Hour Forecast - St. Catharines, ON

Date/Time Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
14 January 2026
4 AM 5 Periods of drizzle (40%)  Periods of drizzle 40 SW 20 gust 40
5 AM 5 Periods of drizzle (40%)  Periods of drizzle 40 SW 20 gust 40
6 AM 4 Periods of drizzle (40%)  Periods of drizzle 40 SW 20 gust 40
7 AM 4 Periods of drizzle (40%)  Periods of drizzle 40 SW 20
8 AM 3 Periods of drizzle (40%)  Periods of drizzle 40 SW 20
9 AM 3 Flurries (80%)  Flurries 80 SW 20
10 AM 2 Flurries (80%)  Flurries 80 NW 20 gust 40
11 AM 1 Flurries (80%)  Flurries 80 NW 20 gust 40
12 PM 1 Flurries (80%)  Flurries 80 NW 20 gust 40
1 PM 0 Flurries (80%)  Flurries 80 NW 20 gust 40
2 PM 0 Flurries (80%)  Flurries 80 NW 20 gust 40
3 PM -1 Flurries (80%)  Flurries 80 NW 20 gust 40
4 PM -1 Flurries (80%)  Flurries 80 NW 20 gust 40
5 PM -2 Flurries (80%)  Flurries 80 NW 20 gust 40
6 PM -2 Snow (80%)  Snow 80 NW 20 gust 40
7 PM -3 Snow (80%)  Snow 80 NW 30 gust 50
8 PM -4 Snow (80%)  Snow 80 NW 30 gust 50
9 PM -5 Snow (80%)  Snow 80 NW 30 gust 50
10 PM -6 Snow (80%)  Snow 80 NW 30 gust 50
11 PM -7 Snow (80%)  Snow 80 NW 30 gust 50
15 January 2026
12 AM -8 Snow (80%)  Snow 80 NW 30 gust 50
1 AM -9 Snow (80%)  Snow 80 NW 30 gust 50
2 AM -10 Snow (80%)  Snow 80 NW 30 gust 50
3 AM -10 Snow (80%)  Snow 80 NW 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