St Catharines Weather Conditions
Current Temperature Level
St Catharines Weather Conditions
Current Temperature Level
Feels Like 26°C
Chances of Rain3%
26°3%1 PM27°3%2 PM28°2%3 PM29°2%4 PM28°2%5 PM28°1%6 PM28°1%7 PM27°2%8 PM25°3%9 PM
24°2%10 PM23°2%11 PM21°4%12 AM20°5%1 AM19°7%2 AM19°5%3 AM19°4%4 AM19°4%5 AM19°4%6 AM18°4%7 AM18°4%8 AM20°3%9 AM21°3%10 AM22°2%11 AM23°2%It is likely to be sunny; sun protection may help.
Last Updated: 2026-07-30 12:30 (Local Time)
336°NNW
Direction
14.8km/h
Wind Speed
Gust Speed
5.8m/s
Precipitation
Precipitation
0mm
Pressure
1014mb
UV Index
7.4Very High
Today
22
°C
64%Friday
22
°C56%Saturday
23
°C66%Sunday
21
°C89%Monday
21
°C89%Tuesday
21
°C90%Wednesday
22
°C86%Thursday
22
°C75%Friday
22
°C73%Saturday
22
°C75%Sunny
Clear Sky with temperature at 22 °C and humidity will be at 64% with 21.6 km/h winds.29°C / 17°C
Humi.64 %
Prec.0 mm
Sunrise
06:05 AM14hrs 36min
Sunset
08:41 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
19 °C
64 %
0
21.6 kmph / NNW
Clear
Feels 15 °C
Cover 0 %
Visibility 10 km
1 AM
Clear
18 °C
69 %
0
19.4 kmph / NNW
ClearFeels 15 °C
Cover 0 %
Visibility 10 km
2 AM
Clear
18 °C
73 %
0
18.7 kmph / NNW
ClearFeels 15 °C
Cover 0 %
Visibility 10 km
3 AM
Clear
18 °C
76 %
0
18.4 kmph / NNW
ClearFeels 15 °C
Cover 0 %
Visibility 10 km
4 AM
Clear
17 °C
78 %
0
17.6 kmph / NNW
ClearFeels 15 °C
Cover 0 %
Visibility 10 km
5 AM
Clear
17 °C
79 %
0
16.9 kmph / NNW
ClearFeels 15 °C
Cover 0 %
Visibility 10 km
6 AM
Clear
17 °C
81 %
0
18 kmph / NNW
ClearFeels 15 °C
Cover 0 %
Visibility 10 km
7 AM
Sunny
17 °C
84 %
0.2
19.1 kmph / NNW
SunnyFeels 14 °C
Cover 0 %
Visibility 10 km
8 AM
Sunny
19 °C
77 %
0.8
19.4 kmph / NNW
SunnyFeels 17 °C
Cover 0 %
Visibility 10 km
9 AM
Sunny
20 °C
71 %
2
20.9 kmph / NNW
SunnyFeels 18 °C
Cover 0 %
Visibility 10 km
10 AM
Sunny
21 °C
66 %
3.8
18 kmph / NNW
SunnyFeels 20 °C
Cover 0 %
Visibility 10 km
11 AM
Sunny
25 °C
62 %
5.7
16.6 kmph / NNW
SunnyFeels 24 °C
Cover 0 %
Visibility 10 km
12 PM
Sunny
26 °C
61 %
7.4
14.8 kmph / NNW
SunnyFeels 26 °C
Cover 0 %
Visibility 10 km
1 PM
Sunny
27 °C
59 %
8.2
12.2 kmph / NNW
SunnyFeels 28 °C
Cover 0 %
Visibility 10 km
2 PM
Sunny
28 °C
55 %
7.8
10.8 kmph / NW
SunnyFeels 29 °C
Cover 0 %
Visibility 10 km
3 PM
Sunny
29 °C
52 %
6.6
9.4 kmph / WNW
SunnyFeels 29 °C
Cover 0 %
Visibility 10 km
4 PM
Sunny
28 °C
50 %
4.7
9.7 kmph / W
SunnyFeels 29 °C
Cover 2 %
Visibility 10 km
5 PM
Sunny
28 °C
48 %
2.9
11.9 kmph / W
SunnyFeels 29 °C
Cover 1 %
Visibility 10 km
6 PM
Sunny
28 °C
48 %
1.4
14 kmph / W
SunnyFeels 28 °C
Cover 0 %
Visibility 10 km
7 PM
Sunny
27 °C
49 %
0.5
15.8 kmph / W
SunnyFeels 27 °C
Cover 0 %
Visibility 10 km
8 PM
Sunny
25 °C
58 %
0
15.8 kmph / W
SunnyFeels 24 °C
Cover 0 %
Visibility 10 km
9 PM
Clear
24 °C
53 %
0
14 kmph / WSW
ClearFeels 22 °C
Cover 0 %
Visibility 10 km
10 PM
Clear
23 °C
51 %
0
13 kmph / WSW
ClearFeels 21 °C
Cover 0 %
Visibility 10 km
11 PM
Clear
21 °C
61 %
0
11.5 kmph / W
ClearFeels 19 °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°26°17°26°18°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 - July 2026
1.
Windsor, Ontario
32 °C
Sunny
39%
6.8
11.9 kmph / N
2.
Thunder Bay, Ontario
31 °C
Sunny
63%
4.2
3.6 kmph / WSW
3.
Brantford, Ontario
30 °C
Sunny
32%
7.4
18 kmph / N
4.
Winnipeg, Manitoba
30 °C
Sunny
60%
3.3
12.6 kmph / N
5.
Oakbank, Manitoba
30 °C
Sunny
60%
3.3
12.6 kmph / N
6.
Toronto, Ontario
29 °C
Sunny
43%
7.3
17.3 kmph / NNW
7.
Mississauga, Ontario
29 °C
Sunny
41%
7.3
17.3 kmph / N
8.
Oshawa, Ontario
29 °C
Sunny
51%
7.3
17.3 kmph / NNW
9.
Sault Ste. Marie, Ontario
29 °C
Sunny
46%
6
5 kmph / WSW
10.
Brampton, Ontario
29 °C
Sunny
42%
7.3
19.1 kmph / N
Last Updated: 30 Jul 2026, 04:38 PM
City Weather RankingsFAQs About St Catharines Weather Conditions
1. What is the current temperature in St Catharines today - 30 July 2026?
1. What is the current temperature in St Catharines today - 30 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 29°C and a low of 17°C, giving a 12 degree swing through the day as of 12:30 PM 30 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 12:30 PM 30 July 2026: Condition : Sunny Temperature : 26°C Pleasant (Feels like 26°C) Humidity : 61% Wind Speed : 14.8 km/h from NNW (336 degrees), Gust 5.8 m/s UV Index : 7.4 (Very High Air Pressure : 1014 mb Cloud Cover : 0% Visibility : 10 km Precipitation : 0 mm (4% chance of rain)
3. What is the 10-day weather forecast for St Catharines from 12:30 PM 30 July 2026?
3. What is the 10-day weather forecast for St Catharines from 12:30 PM 30 July 2026?
From 12:30 PM 30 July 2026, St Catharines's 10-day forecast shows this trend: Today (Jul. 30) : Temp. 22°C, Hum. 64% and Sunny condition. Friday (Jul. 31) : Temp. 22°C, Hum. 56% and Sunny condition. Saturday (Aug. 1) : Temp. 23°C, Hum. 66% and Sunny condition. Sunday (Aug. 2) : Temp. 21°C, Hum. 89% and Rain Shower condition. Monday (Aug. 3) : Temp. 21°C, Hum. 89% and Patchy rain nearby condition. Tuesday (Aug. 4) : Temp. 21°C, Hum. 90% and Rain Shower condition. Wednesday (Aug. 5) : Temp. 22°C, Hum. 86% and Patchy rain nearby condition. Thursday (Aug. 6) : Temp. 22°C, Hum. 75% and Sunny condition. Friday (Aug. 7) : Temp. 22°C, Hum. 73% and Rain Showers condition. Saturday (Aug. 8) : 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 12:30 PM 30 July 2026, there is a 3% chance of rainfall in St Catharines later today around 2026-07-30 13:00. 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.
