St Catharines Weather Conditions
Current Temperature Level
St Catharines Weather Conditions
Current Temperature Level
Feels Like 26°C
Chances of Rain1%
26°1%10 PM
23°2%11 PM22°2%12 AM21°2%1 AM21°3%2 AM20°4%3 AM19°6%4 AM19°5%5 AM19°5%6 AM19°6%7 AM
20°8%8 AM21°7%9 AM22°6%10 AM23°5%11 AM25°4%12 PM
25°6%1 PM25°7%2 PM25°6%3 PM25°7%4 PM24°8%5 PM24°9%6 PM
22°53%7 PM21°13%8 PM21°13%Cloud cover is likely with limited sunshine.
Last Updated: 2026-07-31 21:00 (Local Time)
193°SSW
Direction
14.4km/h
Wind Speed
Gust Speed
8.3m/s
Precipitation
Precipitation
0mm
Pressure
1012mb
UV Index
0Low
Today
23
°C
64%Saturday
22
°C67%Sunday
19
°C94%Monday
20
°C89%Tuesday
21
°C88%Wednesday
23
°C83%Thursday
24
°C80%Friday
24
°C80%Saturday
22
°C75%Sunday
22
°C75%Sunny
Clear Sky with temperature at 23 °C and humidity will be at 64% with 15.8 km/h winds.30°C / 16°C
Humi.64 %
Prec.0 mm
Sunrise
06:06 AM14hrs 34min
Sunset
08:40 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
20 °C
68 %
0
8.6 kmph / WNW
Clear
Feels 19 °C
Cover 0 %
Visibility 10 km
1 AM
Clear
19 °C
77 %
0
7.2 kmph / W
ClearFeels 19 °C
Cover 0 %
Visibility 10 km
2 AM
Clear
18 °C
85 %
0
9 kmph / W
ClearFeels 18 °C
Cover 2 %
Visibility 10 km
3 AM
Clear
18 °C
82 %
0
10.4 kmph / W
ClearFeels 18 °C
Cover 0 %
Visibility 10 km
4 AM
Clear
18 °C
83 %
0
10.1 kmph / W
ClearFeels 17 °C
Cover 0 %
Visibility 10 km
5 AM
Clear
17 °C
80 %
0
9.7 kmph / W
ClearFeels 16 °C
Cover 0 %
Visibility 10 km
6 AM
Clear
17 °C
81 %
0
7.6 kmph / W
ClearFeels 16 °C
Cover 0 %
Visibility 10 km
7 AM
Sunny
16 °C
86 %
0.2
7.2 kmph / W
SunnyFeels 16 °C
Cover 1 %
Visibility 10 km
8 AM
Sunny
18 °C
85 %
0.8
8.3 kmph / WSW
SunnyFeels 19 °C
Cover 0 %
Visibility 10 km
9 AM
Sunny
21 °C
79 %
2
7.6 kmph / WSW
SunnyFeels 22 °C
Cover 4 %
Visibility 10 km
10 AM
Sunny
23 °C
76 %
3.7
6.8 kmph / WSW
SunnyFeels 25 °C
Cover 2 %
Visibility 10 km
11 AM
Sunny
26 °C
69 %
5.7
4 kmph / WSW
SunnyFeels 28 °C
Cover 0 %
Visibility 10 km
12 PM
Sunny
27 °C
64 %
7.1
5 kmph / WNW
SunnyFeels 28 °C
Cover 0 %
Visibility 10 km
1 PM
Sunny
30 °C
55 %
7.9
3.6 kmph / NW
SunnyFeels 31 °C
Cover 0 %
Visibility 10 km
2 PM
Sunny
30 °C
47 %
7.7
2.2 kmph / WNW
SunnyFeels 31 °C
Cover 0 %
Visibility 10 km
3 PM
Sunny
30 °C
43 %
6.4
0.7 kmph / SW
SunnyFeels 30 °C
Cover 0 %
Visibility 10 km
4 PM
Sunny
30 °C
43 %
4.6
1.8 kmph / SE
SunnyFeels 30 °C
Cover 0 %
Visibility 10 km
5 PM
Sunny
30 °C
43 %
2.8
4 kmph / S
SunnyFeels 30 °C
Cover 0 %
Visibility 10 km
6 PM
Sunny
29 °C
44 %
1.2
10.1 kmph / S
SunnyFeels 29 °C
Cover 0 %
Visibility 10 km
7 PM
Sunny
28 °C
48 %
0.4
14 kmph / SSW
SunnyFeels 29 °C
Cover 0 %
Visibility 10 km
8 PM
Sunny
26 °C
54 %
0
15.8 kmph / SSW
SunnyFeels 27 °C
Cover 0 %
Visibility 10 km
9 PM
Cloudy
26 °C
54 %
0
14.4 kmph / SSW
CloudyFeels 26 °C
Cover 75 %
Visibility 24.1 km
10 PM
Clear
23 °C
51 %
0
11.9 kmph / SSW
ClearFeels 21 °C
Cover 0 %
Visibility 10 km
11 PM
Clear
22 °C
53 %
0
10.1 kmph / SW
ClearFeels 20 °C
Cover 0 %
Visibility 10 km
37°24°36°23°35°23°30°23°27°19°28°17°28°17°32°17°33°20°28°19°29°17°29°16°33°16°38°21°32°22°
30°20°30°17°35°19°27°16°28°14°30°19°24°15°27°12°27°13°30°15°30°17°32°18°26°20°28°18°28°17°30°16°JulyWeather Overview
No. of days:
Sunny
29
Cloudy
0
Rainy
0
Snowy
0
The monthly weather averages in St Catharines consist of 29 sunny days, 0 cloudy days, 0 rainy days, and 0 snowy days.
St Catharines's Locations Weather Conditions
Canada's Hottest Cities - August 2026
1.
Trail, British Columbia
35 °C
Sunny
12%
0.6
6.1 kmph / SSW
2.
Castlegar, British Columbia
35 °C
Sunny
11%
0.5
7.6 kmph / SSW
3.
Kamloops, British Columbia
34 °C
Sunny
20%
1
17.3 kmph / SW
4.
Vernon, British Columbia
34 °C
Sunny
14%
0.4
3.6 kmph / SSE
5.
Kelowna, British Columbia
34 °C
Sunny
14%
0.3
13.3 kmph / S
6.
Creston, British Columbia
33 °C
Sunny
30%
0.9
7.6 kmph / SSW
7.
Medicine Hat, Alberta
32 °C
Sunny
21%
0.6
9.7 kmph / NW
8.
Redcliff, Alberta
32 °C
Sunny
21%
0.6
9.7 kmph / NW
9.
Grand Forks, British Columbia
32 °C
Smoky haze
14%
0.5
8.3 kmph / SE
10.
Regina, Saskatchewan
31 °C
Partly Cloudy
36%
0.4
11.9 kmph / SSE
Last Updated: 01 Aug 2026, 01:31 AM
City Weather RankingsFAQs About St Catharines Weather Conditions
1. What is the current temperature in St Catharines today - 31 July 2026?
1. What is the current temperature in St Catharines today - 31 July 2026?
The current temperature in St Catharines is 26°C, with a feels-like temperature of 26°C. Today's forecast shows a high of 30°C and a low of 16°C, giving a 14 degree swing through the day as of 09:00 PM 31 July 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 09:00 PM 31 July 2026: Condition : Cloudy Temperature : 26°C Pleasant (Feels like 26°C) Humidity : 54% Wind Speed : 14.4 km/h from SSW (193 degrees), Gust 8.4 m/s UV Index : 0 (Low Air Pressure : 1012 mb Cloud Cover : 75% Visibility : 24.1 km Precipitation : 0 mm (4% chance of rain)
3. What is the 10-day weather forecast for St Catharines from 09:00 PM 31 July 2026?
3. What is the 10-day weather forecast for St Catharines from 09:00 PM 31 July 2026?
From 09:00 PM 31 July 2026, St Catharines's 10-day forecast shows this trend: Today (Jul. 31) : Temp. 23°C, Hum. 64% and Sunny condition. Saturday (Aug. 1) : Temp. 22°C, Hum. 67% and Sunny condition. Sunday (Aug. 2) : Temp. 19°C, Hum. 94% and Rain Shower condition. Monday (Aug. 3) : Temp. 20°C, Hum. 89% and Sunny condition. Tuesday (Aug. 4) : Temp. 21°C, Hum. 88% and Sunny condition. Wednesday (Aug. 5) : Temp. 23°C, Hum. 83% and Patchy rain nearby condition. Thursday (Aug. 6) : Temp. 24°C, Hum. 80% and Sunny condition. Friday (Aug. 7) : Temp. 24°C, Hum. 80% and Sunny condition. Saturday (Aug. 8) : Temp. 22°C, Hum. 75% and Rain Showers condition. Sunday (Aug. 9) : Temp. 22°C, Hum. 75% and Rain Showers condition.
4. Will it rain in St Catharines today?
4. Will it rain in St Catharines today?
As of 09:00 PM 31 July 2026, there is a 1% chance of rainfall in St Catharines later today around 2026-07-31 21:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for St Catharines in July 2026?
5. What is the monthly weather forecast for St Catharines in July 2026?
July 2026 in St Catharines is forecast to have 29 sunny days, 0 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 12°C to highs of 38°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.
