St Catharines Weather Conditions
Current Temperature Level
St Catharines Weather Conditions
Current Temperature Level
Feels Like 23°C
Chances of Rain26%
21°26%5 AM
21°16%6 AM21°15%7 AM21°27%8 AM22°23%9 AM
22°64%10 AM
22°87%11 AM
22°35%12 PM
23°52%1 PM
24°86%2 PM
23°68%3 PM
23°85%4 PM
24°43%5 PM23°33%6 PM
19°73%7 PM19°48%8 PM19°46%9 PM19°39%10 PM19°78%11 PM19°68%12 AM19°33%1 AM18°35%2 AM18°40%3 AM18°78%Light rain may develop in some areas.
Last Updated: 2026-08-02 04:30 (Local Time)
10°N
Direction
13km/h
Wind Speed
Gust Speed
5.9m/s
Precipitation
Precipitation
0.01mm
Pressure
1010mb
UV Index
0Low
Today
21
°C
92%Monday
20
°C83%Tuesday
21
°C74%Wednesday
22
°C80%Thursday
24
°C82%Friday
24
°C82%Saturday
24
°C82%Sunday
23
°C87%Monday
23
°C74%Tuesday
22
°C73%Patchy rain nearby
Occasional light rain is expected and humidity will be 92%, with winds at 16.9 km/h.24°C / 19°C
Humi.92 %
Prec.25.03 mm
Sunrise
06:08 AM14hrs 29min
Sunset
08:37 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
23 °C
85 %
0
6.5 kmph / NE
Clear
Feels 26 °C
Cover 0 %
Visibility 10 km
1 AM
Patchy rain nearby
23 °C
86 %
0
7.2 kmph / SSE
Patchy rain nearbyFeels 25 °C
Cover 72 %
Visibility 10 km
2 AM
Patchy rain nearby
22 °C
90 %
0
3.6 kmph / SE
Patchy rain nearbyFeels 25 °C
Cover 75 %
Visibility 10 km
3 AM
Clear
22 °C
94 %
0
9.4 kmph / N
ClearFeels 24 °C
Cover 6 %
Visibility 2 km
4 AM
Patchy rain nearby
21 °C
92 %
0
13 kmph / N
Patchy rain nearbyFeels 23 °C
Cover 74 %
Visibility 9 km
5 AM
Clear
21 °C
88 %
0
14.4 kmph / NNE
ClearFeels 22 °C
Cover 0 %
Visibility 2 km
6 AM
Clear
21 °C
87 %
0
14 kmph / NNE
ClearFeels 22 °C
Cover 0 %
Visibility 2 km
7 AM
Patchy rain nearby
21 °C
87 %
0
14.8 kmph / NE
Patchy rain nearbyFeels 22 °C
Cover 87 %
Visibility 10 km
8 AM
Patchy rain nearby
22 °C
84 %
0.1
13.7 kmph / NE
Patchy rain nearbyFeels 23 °C
Cover 78 %
Visibility 10 km
9 AM
Light Rain
22 °C
88 %
0.3
16.2 kmph / NE
Light RainFeels 23 °C
Cover 60 %
Visibility 10 km
10 AM
Heavy Rain
22 °C
95 %
0.6
16.9 kmph / ENE
Heavy RainFeels 23 °C
Cover 57 %
Visibility 10 km
11 AM
Mist
22 °C
96 %
0.9
16.2 kmph / NE
MistFeels 23 °C
Cover 94 %
Visibility 9 km
12 PM
Light Drizzle
23 °C
92 %
0.7
11.5 kmph / NE
Light DrizzleFeels 26 °C
Cover 74 %
Visibility 5 km
1 PM
Rain
24 °C
90 %
1
15.5 kmph / NNE
RainFeels 26 °C
Cover 82 %
Visibility 7 km
2 PM
Light Rain
23 °C
88 %
1.2
15.1 kmph / NE
Light RainFeels 25 °C
Cover 100 %
Visibility 10 km
3 PM
Rain
23 °C
91 %
1.2
14.4 kmph / NE
RainFeels 25 °C
Cover 100 %
Visibility 10 km
4 PM
Light Drizzle
24 °C
92 %
0.6
12.2 kmph / NE
Light DrizzleFeels 26 °C
Cover 99 %
Visibility 10 km
5 PM
Patchy rain nearby
23 °C
94 %
0.4
11.9 kmph / NNE
Patchy rain nearbyFeels 26 °C
Cover 66 %
Visibility 10 km
6 PM
Rain Shower
19 °C
97 %
0.3
9.7 kmph / NNE
Rain ShowerFeels 19 °C
Cover 100 %
Visibility 10 km
7 PM
Mist
19 °C
97 %
0
9 kmph / NE
MistFeels 20 °C
Cover 100 %
Visibility 2 km
8 PM
Rain Shower
19 °C
96 %
0
10.8 kmph / NE
Rain ShowerFeels 19 °C
Cover 97 %
Visibility 10 km
9 PM
Mist
19 °C
96 %
0
11.5 kmph / NE
MistFeels 19 °C
Cover 100 %
Visibility 2 km
10 PM
Light Rain
19 °C
96 %
0
10.4 kmph / NE
Light RainFeels 19 °C
Cover 100 %
Visibility 9 km
11 PM
Rain Shower
19 °C
96 %
0
10.1 kmph / NE
Rain ShowerFeels 20 °C
Cover 91 %
Visibility 10 km
31°19°24°19°24°18°25°17°26°19°28°21°25°22°27°22°26°19°26°20°26°19°26°19°25°19°25°19°25°19°26°19°26°19°25°19°25°18°25°19°25°19°24°18°24°18°25°18°25°19°24°18°24°18°24°18°25°18°24°18°24°18°AugustWeather Overview
No. of days:
Sunny
4
Cloudy
0
Rainy
25
Snowy
0
The monthly weather averages in St Catharines consist of 4 sunny days, 0 cloudy days, 25 rainy days, and 0 snowy days.
St Catharines's Locations Weather Conditions
Canada's Hottest Cities - August 2026
1.
Meadow Lake, Saskatchewan
25 °C
Clear
35%
0
26.6 kmph / SSE
2.
Swift Current, Saskatchewan
24 °C
Clear
34%
0
19.1 kmph / W
3.
Lloydminster, Saskatchewan
24 °C
Partly Cloudy
26%
0
22.7 kmph / SW
4.
Medicine Hat, Alberta
23 °C
Clear
25%
0
43.9 kmph / W
5.
Redcliff, Alberta
23 °C
Clear
25%
0
43.9 kmph / W
6.
Regina, Saskatchewan
22 °C
Clear
72%
0
20.5 kmph / SE
7.
Bratts Lake No 129, Saskatchewan
22 °C
Clear
74%
0
21.6 kmph / SSE
8.
Charlemagne, Quebec
22 °C
Cloudy
83%
0
6.1 kmph / SSE
9.
Boucherville, Quebec
22 °C
Cloudy
83%
0
6.1 kmph / SSE
10.
Longueuil, Quebec
22 °C
Cloudy
83%
0
6.1 kmph / SSE
Last Updated: 02 Aug 2026, 08:46 AM
City Weather RankingsFAQs About St Catharines Weather Conditions
1. What is the current temperature in St Catharines today - 02 August 2026?
1. What is the current temperature in St Catharines today - 02 August 2026?
The current temperature in St Catharines is 21°C, with a feels-like temperature of 23°C. Today's forecast shows a high of 24°C and a low of 19°C, giving a 5 degree swing through the day as of 04:30 AM 02 August 2026.
2. What are the current weather parameters in St Catharines today?
2. What are the current weather parameters in St Catharines today?
Here is a complete overview of St Catharines's current weather conditions as of 04:30 AM 02 August 2026: Condition : Patchy rain nearby Temperature : 21°C Pleasant (Feels like 23°C) Humidity : 92% Wind Speed : 13 km/h from N (10 degrees), Gust 5.9 m/s UV Index : 0 (Low Air Pressure : 1010 mb Cloud Cover : 74% Visibility : 9 km Precipitation : 0.01 mm (88% chance of rain)
3. What is the 10-day weather forecast for St Catharines from 04:30 AM 02 August 2026?
3. What is the 10-day weather forecast for St Catharines from 04:30 AM 02 August 2026?
From 04:30 AM 02 August 2026, St Catharines's 10-day forecast shows this trend: Today (Aug. 2) : Temp. 21°C, Hum. 92% and Patchy rain nearby condition. Monday (Aug. 3) : Temp. 20°C, Hum. 83% and Sunny condition. Tuesday (Aug. 4) : Temp. 21°C, Hum. 74% and Sunny condition. Wednesday (Aug. 5) : Temp. 22°C, Hum. 80% and Sunny condition. Thursday (Aug. 6) : Temp. 24°C, Hum. 82% and Sunny condition. Friday (Aug. 7) : Temp. 24°C, Hum. 82% and Patchy rain nearby condition. Saturday (Aug. 8) : Temp. 24°C, Hum. 82% and Sunny condition. Sunday (Aug. 9) : Temp. 23°C, Hum. 87% and Partly Cloudy condition. Monday (Aug. 10) : Temp. 23°C, Hum. 74% and Rain Showers condition. Tuesday (Aug. 11) : Temp. 22°C, Hum. 73% and Rain Showers condition.
4. Will it rain in St Catharines today?
4. Will it rain in St Catharines today?
As of 04:30 AM 02 August 2026, yes — St Catharines is currently experiencing rainfall with 0.01 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.
5. What is the monthly weather forecast for St Catharines in August 2026?
5. What is the monthly weather forecast for St Catharines in August 2026?
August 2026 in St Catharines is forecast to have 4 sunny days, 25 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 17°C to highs of 31°C.
6. How does the weather in St Catharines affect air quality?
6. How does the weather in St Catharines affect air quality?
Weather directly impacts air quality in St Catharines. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.
