Observed at: St. Catharines / Niagara District Airport
Date: Sunday February 25, 2024 at 09:00 EST
Mainly Sunny
Mainly Sunny
Temp.: -0.7 °C
Wind Chill: -8
Wind: SSW 33 gust 45 km/h
Humidity: 58 %
Dew point: -7.9 °C
Pressure: 101.6 kPa
Tendency: falling
Visibility: 24.1 km
Sunrise: 07:00
Sunset: 18:01
Normals:
Max 2°C Min -6°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm

 Extended Forecast - Environment Canada
Sunday
Mainly sunny
Mainly sunny
Max: 4°C
Monday
Mainly sunny
Mainly sunny
Max: 8°C
Tuesday
Chance of showers (60%)
Chance of showers
Max: 13°C
Wednesday
Showers
Showers
Max: 15°C
Thursday
A mix of sun and cloud
A mix of sun and cloud
Max: -1°C
Friday
A mix of sun and cloud
A mix of sun and cloud
Max: 3°C
Saturday
A mix of sun and cloud
A mix of sun and cloud
Max: 7°C
Sunday night
Chance of showers (40%)
Chance of showers
Min: -1°C
Monday night
Clear
Clear
Min: 6°C
Tuesday night
Showers
Showers
Min: 6°C
Wednesday night
Chance of rain showers or flurries (60%)
Chance of rain showers or flurries
Min: -5°C
Thursday night
Cloudy periods
Cloudy periods
Min: -4°C
Friday night
Cloudy periods
Cloudy periods
Min: 0°C
 

Forecast

St. Catharines, ON (Issued: Sunday February 25, 2024 at 05:00 EST)

Today
Sunny. Increasing cloudiness early this afternoon. Wind southwest 30 km/h gusting to 60. High plus 4. Wind chill minus 12 this morning. UV index 2 or low.
Tonight
Cloudy. 40 percent chance of showers this evening. Fog patches developing overnight. Wind southwest 20 km/h gusting to 40 becoming light near midnight. Low minus 1.
Monday
A mix of sun and cloud. Becoming sunny in the morning. Fog patches dissipating in the morning. High 8.
Monday night
Clear. Low 6.
Tuesday
A mix of sun and cloud with 60 percent chance of showers. High 13.
Tuesday night
Showers. Low 6.
Wednesday
Showers. High 15.
Wednesday night
Cloudy with 60 percent chance of rain showers or flurries. Low minus 5.
Thursday
A mix of sun and cloud. High minus 1.
Thursday night
Cloudy periods. Low minus 4.
Friday
A mix of sun and cloud. High plus 3.
Friday night
Cloudy periods. Low zero.
Saturday
A mix of sun and cloud. High 7.
Averages and extremes
Highest temperature(1972-2000)15.6 °C1976
Lowest temperature(1972-2000)-16.9 °C1993
Average high1.6 °C 
Average low-6.4 °C 
Average-2.4 °C 
Greatest rainfall(1972-2000)2.2 mm2000
Greatest snowfall(1972-2000)7.0 cm1991
Greatest precipitation(1972-2000)6.6 mm1978
Most snow on the ground(1972-2000)23.0 cm1993
Monthly frequency of precipitation48.0 % 

24 Hour Forecast - St. Catharines, ON

Date/Time
(EST)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
Wind
Chill
25 February 2024
10:00 -1 Sunny (10%)  Sunny Low SW 30 gust 60 -8
11:00 0 Sunny (10%)  Sunny Low SW 30 gust 60
12:00 0 Sunny (20%)  Sunny Low SW 30 gust 60
13:00 1 Sunny (20%)  Sunny Low SW 30 gust 60
14:00 2 Mainly sunny (20%)  Mainly sunny Low SW 30 gust 60
15:00 2 A mix of sun and cloud (20%)  A mix of sun and cloud Low SW 30 gust 60
16:00 3 Mainly cloudy (20%)  Mainly cloudy Low SW 30 gust 60
17:00 3 Cloudy (20%)  Cloudy Low SW 30 gust 60
18:00 4 Chance of showers (40%)  Chance of showers Low SW 20 gust 40
19:00 4 Chance of showers (40%)  Chance of showers Low SW 20 gust 40
20:00 4 Chance of showers (40%)  Chance of showers Low SW 20 gust 40
21:00 4 Chance of showers (40%)  Chance of showers Low SW 20 gust 40
22:00 4 Chance of showers (40%)  Chance of showers Low SW 20 gust 40
23:00 4 Chance of showers (40%)  Chance of showers Low SW 20 gust 40
26 February 2024
00:00 3 Cloudy (20%)  Cloudy Low SW 15
01:00 3 Cloudy (20%)  Cloudy Low SW 15
02:00 2 Cloudy (20%)  Cloudy Low SW 15
03:00 2 Mainly cloudy (20%)  Mainly cloudy Low SW 10
04:00 1 Mainly cloudy (20%)  Mainly cloudy Low SW 10
05:00 0 Mainly cloudy (20%)  Mainly cloudy Low SW 10
06:00 0 Partly cloudy (0%)  Partly cloudy Nil VR 5
07:00 -1 A mix of sun and cloud (0%)  A mix of sun and cloud Nil VR 5 -3
08:00 0 A mix of sun and cloud (0%)  A mix of sun and cloud Nil VR 5
09:00 0 A mix of sun and cloud (0%)  A mix of sun and cloud Nil 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%
‡ Value not significant

Environment Canada