St Catharines Weather Conditions
Current Temperature Level
9 °C
17 AQI
Air quality index is: Good
Last Updated: 2025-10-31 17:00 (Local Time)
MapSt Catharines
St Catharines Weather Parameters
45 km/h
17 m/s
295° WNW
100 %
24 km
0 mm
1000 mb
UV Index0
Suggestions for
TodaySt Catharines31 Oct.
Hydration• Stay Hydrated
Clothing• More Layered
Driving• Avoid Driving
Sunscreen• ApplySt Catharines 10-Days Weather Forecast
Today
7°C
85 %Saturday
7°C67 %Sunday
6°C61 %Monday
9°C72 %Tuesday
11°C67 %Wednesday
8°C61 %Thursday
9°C60 %Friday
6°C76 %Saturday
3°C64 %Sunday
6°C61 %Heavy rain
Constant heavy rain throughout the day with a high of 7 °C with humidity at 85%.7°C / 5°C
Humi.85 %
Prec.30.85 mm
Sunrise
07:51 AM10hrs 18min
Sunset
06:09 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Overcast
9 °C
84 %
0
32.8 kmph / NNE
Overcast 
Feels 5.3 °C
Cover 94 %
Visibility 9 km
1 AM
Overcast
9 °C
83 %
0
32 kmph / N
Overcast Feels 5.2 °C
Cover 92 %
Visibility 9 km
2 AM
Overcast
8 °C
81 %
0
28.4 kmph / N
Overcast Feels 4.6 °C
Cover 90 %
Visibility 9 km
3 AM
Overcast
8 °C
82 %
0
27.4 kmph / NNW
Overcast Feels 4 °C
Cover 68 %
Visibility 7 km
4 AM
Overcast
7 °C
83 %
0
30.6 kmph / NW
Overcast Feels 3.5 °C
Cover 57 %
Visibility 9 km
5 AM
Partly Cloudy
7 °C
83 %
0
33.1 kmph / NW
Partly Cloudy Feels 3 °C
Cover 46 %
Visibility 9 km
6 AM
Partly Cloudy
7 °C
83 %
0
31.7 kmph / NW
Partly Cloudy Feels 2.6 °C
Cover 65 %
Visibility 7 km
7 AM
Partly Cloudy
7 °C
82 %
0
32.4 kmph / WNW
Partly Cloudy Feels 2.3 °C
Cover 74 %
Visibility 7 km
8 AM
Cloudy
6 °C
82 %
0
33.5 kmph / WNW
Cloudy Feels 1.9 °C
Cover 83 %
Visibility 9 km
9 AM
Moderate or heavy rain shower
6 °C
88 %
0
36 kmph / WNW
Moderate or heavy rain showerFeels 1.6 °C
Cover 92 %
Visibility 9 km
10 AM
Moderate or heavy rain shower
6 °C
91 %
0.1
40 kmph / WNW
Moderate or heavy rain showerFeels 1.3 °C
Cover 96 %
Visibility 2 km
11 AM
Moderate rain
6 °C
94 %
0.2
42.5 kmph / WNW
Moderate rainFeels 1.3 °C
Cover 100 %
Visibility 10 km
12 PM
Moderate rain
6 °C
94 %
0.3
42.8 kmph / WNW
Moderate rainFeels 1.4 °C
Cover 100 %
Visibility 10 km
1 PM
Moderate rain
6 °C
94 %
0.4
43.6 kmph / WNW
Moderate rainFeels 1.5 °C
Cover 100 %
Visibility 10 km
2 PM
Moderate rain
6 °C
93 %
0.3
43.6 kmph / WNW
Moderate rainFeels 1.7 °C
Cover 100 %
Visibility 10 km
3 PM
Moderate rain
7 °C
87 %
0.3
43.2 kmph / WNW
Moderate rainFeels 1.8 °C
Cover 95 %
Visibility 10 km
4 PM
Overcast
9 °C
62 %
0.3
44.6 kmph / WNW
OvercastFeels 1.9 °C
Cover 100 %
Visibility 24 km
5 PM
Overcast
6 °C
81 %
0.1
45 kmph / WNW
Overcast Feels 1.7 °C
Cover 90 %
Visibility 10 km
6 PM
Overcast
6 °C
81 %
0
43.9 kmph / WNW
Overcast Feels 1.5 °C
Cover 61 %
Visibility 10 km
7 PM
Overcast
6 °C
81 %
0
43.2 kmph / WNW
Overcast Feels 1.2 °C
Cover 47 %
Visibility 10 km
8 PM
Partly Cloudy
6 °C
81 %
0
41.4 kmph / WNW
Partly Cloudy Feels 1 °C
Cover 33 %
Visibility 10 km
9 PM
Partly Cloudy
6 °C
83 %
0
38.5 kmph / WNW
Partly Cloudy Feels 0.9 °C
Cover 34 %
Visibility 10 km
10 PM
Partly Cloudy
7 °C
84 %
0
33.5 kmph / WNW
Partly Cloudy Feels 3.2 °C
Cover 35 %
Visibility 10 km
11 PM
Overcast
6 °C
88 %
0
31.7 kmph / WNW
Overcast Feels 1.9 °C
Cover 99 %
Visibility 10 km
Today
7°C85 %Saturday
7°C67 %Sunday
6°C61 %Monday
9°C72 %Tuesday
11°C67 %Wednesday
8°C61 %Thursday
9°C60 %Friday
6°C76 %Saturday
3°C64 %Sunday
6°C61 %Temp6 °C
ConditionOvercast
Humidity81 %
Feels1.7 °C
Cover90 %
Visibility10 km
Wind Speed & Dir.45 kmph / WNW
UV0.1
St Catharines 30-Days (October 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Wed.
21°8 °C
2Thu.
24°6 °C
3Fri.
28°8 °C
4Sat.
32°13 °C
5Sun.
32°14 °C
6Mon.
32°16 °C
7Tue.
22°16 °C
8Wed.
16°10 °C
9Thu.
14°6 °C
10Fri.
21°3 °C
11Sat.
18°10 °C
12Sun.
22°8 °C
13Mon.
19°9 °C
14Tue.
22°9 °C
15Wed.
17°10 °C
16Thu.
16°6 °C
17Fri.
18°4 °C
18Sat.
26°11 °C
19Sun.
27°15 °C
20Mon.
14°9 °C
21Tue.
17°6 °C
22Wed.
12°7 °C
23Thu.
14°7 °C
24Fri.
12°5 °C
25Sat.
15°4 °C
26Sun.
10°2 °C
27Mon.
11°0 °C
28Tue.
14°1 °C
29Wed.
14°0 °C
30Thu.
10°6 °C
31Today
7°5 °C
OctoberWeather Overview
No. of days:
Sunny
18
Cloudy
2
Rainy
11
Snowy
0
The monthly weather averages in St Catharines consist of 18 sunny days, 2 cloudy days, 11 rainy days, and 0 snowy days.
St Catharines's Locations Weather Conditions
Canada's Hottest Cities - October 2025
1.
Aylesford, Canada
Partly cloudy
72%
0
20.2 kmph / SW
2.
New Glasgow, Canada
Heavy rain
95%
0
31 kmph / SSE
3.
Pictou, Canada
Heavy rain
95%
0
31 kmph / SSE
4.
Kentville, Canada
Overcast
91%
0
20.2 kmph / SW
5.
Halifax, Canada
Overcast
91%
0
34.9 kmph / SW
6.
Wellington, Canada
Heavy rain
89%
0
33.8 kmph / ESE
7.
Saint Peters Bay, Canada
Heavy rain
93%
0
40.7 kmph / SE
8.
Charlottetown, Canada
Light rain
100%
0
31.3 kmph / SE
9.
Lake Loon, Canada
Overcast
97%
0
33.5 kmph / SW
10.
Antigonish, Canada
Heavy rain
100%
0
26.3 kmph / SE
Last Updated: 31 Oct 2025, 08:55 PM
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