St Catharines Weather Conditions
Current Temperature Level
St Catharines Weather Conditions
Current Temperature Level
Feels Like 10°C
Chances of Rain19%
13°19%8 AM13°20%9 AM
14°7%10 AM16°7%11 AM17°18%12 PM18°17%1 PM19°5%2 PM19°5%3 PM19°4%4 PM20°3%5 PM20°4%6 PM19°4%7 PM
18°4%8 PM17°6%9 PM16°20%10 PM
17°21%11 PM17°23%12 AM15°8%1 AM15°6%2 AM14°6%3 AM14°4%4 AM14°4%5 AM13°4%6 AM13°4%Skies may remain grey and overcast.
Last Updated: 2026-10-04 07:00 (Local Time)
183°S
Direction
11.5km/h
Wind Speed
Gust Speed
5.02m/s
Precipitation
Precipitation
0mm
Pressure
1020mb
UV Index
0Low
Trending in Canada
What Is PM2.5? And Why Does That Number Matter?
Today
16
°C
67%Monday
14
°C56%Tuesday
12
°C63%Wednesday
17
°C71%Thursday
16
°C69%Friday
15
°C62%Saturday
14
°C68%Sunday
17
°C70%Monday
13
°C71%Tuesday
13
°C75%Sunny
Clear Sky with temperature at 16 °C and humidity will be at 67% with 27.7 km/h winds.20°C / 12°C
Humi.67 %
Prec.0.02 mm
Sunrise
07:17 AM11hrs 36min
Sunset
06:53 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
12 °C
61 %
0
17.6 kmph / ESE
Clear
Feels 9 °C
Cover 8 %
Visibility 10 km
1 AM
Clear
12 °C
61 %
0
16.6 kmph / ESE
ClearFeels 9 °C
Cover 24 %
Visibility 10 km
2 AM
Cloudy
12 °C
63 %
0
16.6 kmph / ESE
CloudyFeels 9 °C
Cover 79 %
Visibility 10 km
3 AM
Overcast
12 °C
64 %
0
16.9 kmph / ESE
OvercastFeels 9 °C
Cover 100 %
Visibility 10 km
4 AM
Overcast
12 °C
63 %
0
14 kmph / SE
OvercastFeels 9 °C
Cover 93 %
Visibility 10 km
5 AM
Cloudy
12 °C
65 %
0
11.5 kmph / SSE
CloudyFeels 10 °C
Cover 82 %
Visibility 10 km
6 AM
Overcast
12 °C
67 %
0
9 kmph / SSW
OvercastFeels 10 °C
Cover 99 %
Visibility 10 km
7 AM
Overcast
13 °C
71 %
0
11.5 kmph / S
OvercastFeels 10 °C
Cover 100 %
Visibility 10 km
8 AM
Overcast
13 °C
74 %
0
12.2 kmph / SSW
OvercastFeels 11 °C
Cover 100 %
Visibility 10 km
9 AM
Sunny
14 °C
74 %
0.5
13.3 kmph / SSW
SunnyFeels 12 °C
Cover 1 %
Visibility 10 km
10 AM
Sunny
16 °C
73 %
1.3
16.9 kmph / SW
SunnyFeels 13 °C
Cover 5 %
Visibility 10 km
11 AM
Overcast
17 °C
71 %
2.4
16.2 kmph / WSW
OvercastFeels 14 °C
Cover 95 %
Visibility 10 km
12 PM
Overcast
18 °C
68 %
3.5
19.8 kmph / SSE
OvercastFeels 15 °C
Cover 100 %
Visibility 10 km
1 PM
Sunny
19 °C
67 %
2.2
20.9 kmph / SSW
SunnyFeels 15 °C
Cover 5 %
Visibility 10 km
2 PM
Sunny
19 °C
64 %
3.8
25.9 kmph / SW
SunnyFeels 15 °C
Cover 8 %
Visibility 10 km
3 PM
Sunny
19 °C
61 %
3.1
22.3 kmph / SW
SunnyFeels 15 °C
Cover 2 %
Visibility 10 km
4 PM
Sunny
20 °C
58 %
1.9
20.5 kmph / SW
SunnyFeels 16 °C
Cover 1 %
Visibility 10 km
5 PM
Sunny
20 °C
60 %
0.9
21.6 kmph / SW
SunnyFeels 16 °C
Cover 4 %
Visibility 10 km
6 PM
Sunny
19 °C
63 %
0.2
22.3 kmph / SW
SunnyFeels 15 °C
Cover 5 %
Visibility 10 km
7 PM
Clear
18 °C
64 %
0
24.5 kmph / SW
ClearFeels 14 °C
Cover 4 %
Visibility 10 km
8 PM
Clear
17 °C
68 %
0
26.6 kmph / SSW
ClearFeels 12 °C
Cover 14 %
Visibility 10 km
9 PM
Overcast
16 °C
74 %
0
25.6 kmph / SW
OvercastFeels 12 °C
Cover 97 %
Visibility 10 km
10 PM
Patchy rain nearby
17 °C
75 %
0
25.2 kmph / SW
Patchy rain nearbyFeels 13 °C
Cover 100 %
Visibility 10 km
11 PM
Patchy rain nearby
17 °C
76 %
0
27.7 kmph / WNW
Patchy rain nearbyFeels 12 °C
Cover 100 %
Visibility 10 km
25°18°20°13°15°10°19°12°16°12°14°9°21°14°19°15°17°13°
16°11°
17°10°17°11°16°11°15°10°15°9°14°9°13°8°
14°8°15°8°14°10°15°9°14°8°14°9°13°8°14°8°12°8°12°7°12°6°11°7°11°7°12°7°OctoberWeather Overview
No. of days:
Sunny
6
Cloudy
1
Rainy
21
Snowy
0
The monthly weather averages in St Catharines consist of 6 sunny days, 1 cloudy days, 21 rainy days, and 0 snowy days.
St Catharines's Locations Weather Conditions
Canada's Hottest Cities - October 2026
1.
West Vancouver, British Columbia
17 °C
Clear
83%
0
3.6 kmph / E
2.
Gibsons, British Columbia
17 °C
Clear
83%
0
3.6 kmph / E
3.
Sechelt, British Columbia
17 °C
Clear
83%
0
3.6 kmph / E
4.
Squamish, British Columbia
17 °C
Clear
83%
0
3.6 kmph / E
5.
St Thomas, Ontario
15 °C
Clear
72%
0
11.5 kmph / WSW
6.
Central Elgin, Ontario
15 °C
Clear
72%
0
11.5 kmph / WSW
7.
North Vancouver, British Columbia
14 °C
Clear
83%
0
3.6 kmph / E
8.
Vancouver, British Columbia
14 °C
Clear
83%
0
3.6 kmph / E
9.
Richmond, British Columbia
14 °C
Clear
83%
0
3.6 kmph / E
10.
Powell River, British Columbia
14 °C
Clear
89%
0
4 kmph / NW
Last Updated: 04 Oct 2026, 11:30 AM
City Weather RankingsFAQs About St Catharines Weather Conditions
1. What is the current temperature in St Catharines today - 04 October 2026?
1. What is the current temperature in St Catharines today - 04 October 2026?
The current temperature in St Catharines is 13°C, with a feels-like temperature of 10°C. Today's forecast shows a high of 20°C and a low of 12°C, giving a 8 degree swing through the day as of 07:00 AM 04 October 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 07:00 AM 04 October 2026: Condition : Overcast Temperature : 13°C Cool (Feels like 10°C) Humidity : 71% Wind Speed : 11.5 km/h from S (183 degrees), Gust 5 m/s UV Index : 0 (Low Air Pressure : 1020 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 0 mm (10% chance of rain)
3. What is the 10-day weather forecast for St Catharines from 07:00 AM 04 October 2026?
3. What is the 10-day weather forecast for St Catharines from 07:00 AM 04 October 2026?
From 07:00 AM 04 October 2026, St Catharines's 10-day forecast shows this trend: Today (Oct. 4) : Temp. 16°C, Hum. 67% and Sunny condition. Monday (Oct. 5) : Temp. 14°C, Hum. 56% and Sunny condition. Tuesday (Oct. 6) : Temp. 12°C, Hum. 63% and Sunny condition. Wednesday (Oct. 7) : Temp. 17°C, Hum. 71% and Overcast condition. Thursday (Oct. 8) : Temp. 16°C, Hum. 69% and Sunny condition. Friday (Oct. 9) : Temp. 15°C, Hum. 62% and Sunny condition. Saturday (Oct. 10) : Temp. 14°C, Hum. 68% and Sunny condition. Sunday (Oct. 11) : Temp. 17°C, Hum. 70% and Overcast condition. Monday (Oct. 12) : Temp. 13°C, Hum. 71% and Rain Showers condition. Tuesday (Oct. 13) : Temp. 13°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 07:00 AM 04 October 2026, there is a 19% chance of rainfall in St Catharines later today around 2026-10-04 07:00. 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 October 2026?
5. What is the monthly weather forecast for St Catharines in October 2026?
October 2026 in St Catharines is forecast to have 6 sunny days, 21 rainy days, 1 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 6°C to highs of 25°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.
