Observed at: St. Catharines / Niagara District Airport
Date: 11:00 PM EST Wednesday 5 November 2025
Temp.: 7 °C
Wind: WNW 32 gust 48 km/h
Humidity: 69 %
Dew point: 2 °C
Pressure: 101.4 kPa
Tendency: kPa
Visibility: km 		Sunrise: 6:57
Sunset: 17:04
Normals:
Max 10°C Min 3°C
 Extended Forecast - Environment Canada
  Thu, 6 Nov
Chance of showers (40%)
Chance of showers
Max: 9°C
 Fri, 7 Nov
Periods of rain
Periods of rain
Max: 10°C
 Sat, 8 Nov
Cloudy
Cloudy
Max: 8°C
 Sun, 9 Nov
Chance of showers (60%)
Chance of showers
Max: 5°C
 Mon, 10 Nov
Chance of flurries or rain showers (30%)
Chance of flurries or rain showers
Max: 2°C
 Tue, 11 Nov
Cloudy
Cloudy
Max: 4°C
Tonight
Chance of showers (40%)
Chance of showers
Min: 3°C
 Night
A few clouds
A few clouds
Min: 3°C
 Night
Chance of showers (60%)
Chance of showers
Min: 6°C
 Night
Chance of showers (30%)
Chance of showers
Min: 4°C
 Night
Chance of flurries or rain showers (40%)
Chance of flurries or rain showers
Min: -1°C
 Night
Cloudy periods
Cloudy periods
Min: 1°C

Forecast

St. Catharines, ON (Issued: 3:30 PM EST Wednesday 5 November 2025)

Tonight
A few showers ending early this evening then mainly cloudy with 40 percent chance of showers. Wind northwest 30 km/h gusting to 70. Low plus 3.
Thu, 6 Nov
Mainly cloudy. 40 percent chance of showers early in the morning. Wind northwest 20 km/h gusting to 40 becoming light in the morning. High 9. UV index 2 or low.
Night
A few clouds. Low plus 3.
Fri, 7 Nov
Periods of rain. High 10.
Night
Cloudy with 60 percent chance of showers. Low 6.
Sat, 8 Nov
Cloudy. High 8.
Night
Cloudy with 30 percent chance of showers. Low plus 4.
Sun, 9 Nov
Cloudy with 60 percent chance of showers. High plus 5.
Night
Cloudy with 40 percent chance of flurries or rain showers. Low minus 1.
Mon, 10 Nov
Cloudy with 30 percent chance of flurries or rain showers. High plus 2.
Night
Cloudy periods. Low plus 1.
Tue, 11 Nov
Cloudy. High plus 4.

24 Hour Forecast - St. Catharines, ON

Date/Time Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
6 November 2025
12 AM 5 Chance of showers (40%)  Chance of showers 40 NW 30 gust 50
1 AM 4 Chance of showers (40%)  Chance of showers 40 NW 30 gust 50
2 AM 4 Chance of showers (40%)  Chance of showers 40 NW 30 gust 50
3 AM 3 Chance of showers (40%)  Chance of showers 40 NW 30 gust 50
4 AM 3 Chance of showers (40%)  Chance of showers 40 NW 20 gust 40
5 AM 3 Chance of showers (40%)  Chance of showers 40 NW 20 gust 40
6 AM 3 Chance of showers (40%)  Chance of showers 40 NW 20 gust 40
7 AM 3 Chance of showers (40%)  Chance of showers 40 NW 20
8 AM 4 Chance of showers (40%)  Chance of showers 40 NW 20
9 AM 4 Mainly cloudy (20%)  Mainly cloudy 20 NW 20
10 AM 5 Mainly cloudy (20%)  Mainly cloudy 20 W 10
11 AM 6 Mainly cloudy (20%)  Mainly cloudy 20 W 10
12 PM 7 Cloudy (20%)  Cloudy 20 W 10
1 PM 8 Cloudy (20%)  Cloudy 20 W 15
2 PM 8 Mainly cloudy (20%)  Mainly cloudy 20 W 15
3 PM 9 Mainly cloudy (20%)  Mainly cloudy 20 W 15
4 PM 9 A mix of sun and cloud (20%)  A mix of sun and cloud 20 W 10
5 PM 9 Partly cloudy (20%)  Partly cloudy 20 W 10
6 PM 8 Partly cloudy (0%)  Partly cloudy 0 VR 5
7 PM 8 A few clouds (10%)  A few clouds 10 VR 5
8 PM 7 Clear (10%)  Clear 10 VR 5
9 PM 7 Clear (10%)  Clear 10 VR 5
10 PM 6 A few clouds (10%)  A few clouds 10 VR 5
11 PM 5 Partly cloudy (10%)  Partly cloudy 10 VR 5
 
† 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