Observed at: St. Catharines / Niagara District Airport
Date: Thursday October 29, 2020 at 06:00 EDT
Temp.: 5.0 °C
Wind: SSW 9 km/h
Humidity: 90 %
Dew point: 3.6 °C
Pressure: 101.2 kPa
Tendency:
Sunrise: 07:48
Sunset: 18:13
Normals:
Max 11°C Min 3°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm

 Extended Forecast - Environment Canada
Thursday
Rain
Rain
Max: 11°C
Friday
Clearing
Clearing
Max: 4°C
Saturday
Sunny
Sunny
Max: 9°C
Sunday
Chance of showers (70%)
Chance of showers
Max: 9°C
Monday
Chance of showers (30%)
Chance of showers
Max: 5°C
Tuesday
A mix of sun and cloud
A mix of sun and cloud
Max: 8°C
Wednesday
Sunny
Sunny
Max: 12°C
Thursday night
Periods of rain (30%)
Periods of rain
Min: 2°C
Friday night
Clear
Clear
Min: 0°C
Saturday night
Clear
Clear
Min: 6°C
Sunday night
Chance of rain showers or flurries (40%)
Chance of rain showers or flurries
Min: 0°C
Monday night
Cloudy
Cloudy
Min: 3°C
Tuesday night
Clear
Clear
Min: 7°C
 

Forecast

St. Catharines, ON (Issued: Thursday October 29, 2020 at 05:00 EDT)

Today
Cloudy. Rain beginning this morning. Wind becoming northeast 30 km/h late this morning. High 11. UV index 1 or low.
Tonight
Rain ending this evening then cloudy with 30 percent chance of rain. Wind northeast 30 km/h. Low plus 2 with risk of frost.
Friday
Cloudy. Clearing in the afternoon. Temperature steady near plus 4. UV index 2 or low.
Friday night
Clear. Low zero.
Saturday
Sunny. High 9.
Saturday night
Clear. Low 6.
Sunday
Cloudy with 70 percent chance of showers. Windy. High 9.
Sunday night
Cloudy with 40 percent chance of rain showers or flurries. Windy. Low zero.
Monday
Cloudy with 30 percent chance of showers. High plus 5.
Monday night
Cloudy. Low plus 3.
Tuesday
A mix of sun and cloud. High 8.
Tuesday night
Clear. Low 7.
Wednesday
Sunny. High 12.
Averages and extremes
Highest temperature(1971-2000)22.4 °C1989
Lowest temperature(1971-2000)-3.3 °C1985
Average high12.0 °C 
Average low3.5 °C 
Average7.8 °C 
Greatest rainfall(1971-2000)30.7 mm1973
Greatest snowfall(1971-2000)0.0 cm1971
Greatest precipitation(1971-2000)30.7 mm1973
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)
29 October 2020
07:00 5 Overcast (20%)  Overcast Low VR 5
08:00 5 Overcast (20%)  Overcast Low VR 5
09:00 6 Rain (80%)  Rain High VR 5
10:00 8 Rain (80%)  Rain High VR 5
11:00 9 Rain (80%)  Rain High NE 30
12:00 10 Rain (80%)  Rain High NE 30
13:00 10 Rain (80%)  Rain High NE 30
14:00 11 Rain (80%)  Rain High NE 30
15:00 10 Rain (80%)  Rain High NE 30
16:00 10 Rain (80%)  Rain High NE 30
17:00 9 Rain (80%)  Rain High NE 30
18:00 8 Rain (80%)  Rain High NE 30
19:00 8 Rain (80%)  Rain High NE 30
20:00 7 Rain (80%)  Rain High NE 30
21:00 7 Chance of rain (30%)  Chance of rain Low NE 30
22:00 6 Chance of rain (30%)  Chance of rain Low NE 30
23:00 6 Chance of rain (30%)  Chance of rain Low NE 20
30 October 2020
00:00 6 Chance of showers (30%)  Chance of showers Low NE 20
01:00 5 Chance of showers (30%)  Chance of showers Low NE 20
02:00 5 Chance of showers (30%)  Chance of showers Low NE 20
03:00 4 Overcast (20%)  Overcast Low NE 20
04:00 3 Overcast (20%)  Overcast Low NE 20
05:00 2 Overcast (20%)  Overcast Low NE 15
06:00 2 Overcast (20%)  Overcast Low NE 15
 
† 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