Observed at: St. Catharines / Niagara District Airport
Date: Saturday October 01, 2022 at 22:00 EDT
Temp.: 16.2 °C
Wind: NE 28 gust 41 km/h
Humidity: 70 %
Dew point: 10.8 °C
Pressure: 102.1 kPa
Tendency:
Sunrise: 07:14
Sunset: 18:59
Normals:
Max 18°C Min 9°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm

 Extended Forecast - Environment Canada
  Sunday
Clearing
Clearing
Max: 15°C
Monday
Sunny
Sunny
Max: 16°C
Tuesday
Sunny
Sunny
Max: 18°C
Wednesday
Sunny
Sunny
Max: 20°C
Thursday
Chance of showers (30%)
Chance of showers
Max: 19°C
Friday
Chance of showers (30%)
Chance of showers
Max: 11°C
Saturday night
Mainly cloudy
Mainly cloudy
Min: 9°C
Sunday night
Clear
Clear
Min: 4°C
Monday night
Clear
Clear
Min: 4°C
Tuesday night
Clear
Clear
Min: 7°C
Wednesday night
Cloudy periods
Cloudy periods
Min: 11°C
Thursday night
Showers
Showers
Min: 6°C

Forecast

St. Catharines, ON (Issued: Saturday October 01, 2022 at 20:35 EDT)

Tonight
Mainly cloudy. Wind northeast 30 km/h gusting to 50. Low 9.
Sunday
Clearing in the morning. Wind northeast 30 km/h gusting to 50. High 15. UV index 5 or moderate.
Sunday night
Clear. Low plus 4.
Monday
Sunny. High 16.
Monday night
Clear. Low plus 4.
Tuesday
Sunny. High 18.
Tuesday night
Clear. Low 7.
Wednesday
Sunny. High 20.
Wednesday night
Cloudy periods. Low 11.
Thursday
A mix of sun and cloud with 30 percent chance of showers. High 19.
Thursday night
Showers. Low 6.
Friday
Cloudy with 30 percent chance of showers. High 11.
Averages and extremes
Highest temperature(1971-2000)27.0 °C1988
Lowest temperature(1971-2000)2.2 °C1972
Average high18.3 °C 
Average low8.5 °C 
Average13.4 °C 
Greatest rainfall(1971-2000)20.6 mm1977
Greatest snowfall(1971-2000)0.0 cm1971
Greatest precipitation(1971-2000)20.6 mm1977
Most snow on the ground(1971-2000)0.0 cm1971
Monthly frequency of precipitation38.0 % 

24 Hour Forecast - St. Catharines, ON

Date/Time
(EDT)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
1 October 2022
23:00 13 Mainly cloudy (10%)  Mainly cloudy Low NE 30 gust 50
2 October 2022
00:00 12 Mainly cloudy (10%)  Mainly cloudy Low NE 30 gust 50
01:00 12 Mainly cloudy (10%)  Mainly cloudy Low NE 30 gust 50
02:00 11 Mainly cloudy (10%)  Mainly cloudy Low NE 30 gust 50
03:00 10 Mainly cloudy (10%)  Mainly cloudy Low NE 30 gust 50
04:00 10 Mainly cloudy (10%)  Mainly cloudy Low NE 30 gust 50
05:00 9 Mainly cloudy (0%)  Mainly cloudy Nil NE 30 gust 50
06:00 9 Mainly cloudy (0%)  Mainly cloudy Nil NE 30 gust 50
07:00 10 A mix of sun and cloud (0%)  A mix of sun and cloud Nil NE 30 gust 50
08:00 10 A mix of sun and cloud (0%)  A mix of sun and cloud Nil NE 30 gust 50
09:00 11 A mix of sun and cloud (0%)  A mix of sun and cloud Nil NE 30 gust 50
10:00 11 Sunny (0%)  Sunny Nil NE 30 gust 50
11:00 12 Sunny (0%)  Sunny Nil NE 30 gust 50
12:00 13 Sunny (0%)  Sunny Nil NE 30 gust 50
13:00 13 Sunny (0%)  Sunny Nil NE 30 gust 50
14:00 14 Sunny (0%)  Sunny Nil NE 30 gust 50
15:00 14 Sunny (0%)  Sunny Nil NE 30 gust 50
16:00 15 Sunny (0%)  Sunny Nil NE 30 gust 50
17:00 15 Sunny (0%)  Sunny Nil NE 30 gust 50
18:00 14 Sunny (0%)  Sunny Nil NE 15
19:00 13 Clear (0%)  Clear Nil NE 15
20:00 12 Clear (0%)  Clear Nil NE 15
21:00 11 Clear (0%)  Clear Nil NE 10
22:00 9 Clear (0%)  Clear Nil NE 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