Hourly Weather Forecast - St Catharines, Ontario, CA

12 AM
32°F
0%
7mph
S
Partly Cloudy
Humidity
82%
Feels like
25°F
Dew Point
27°F
1 AM
32°F
0%
8mph
S
Mostly Cloudy
Humidity
80%
Feels like
25°F
Dew Point
27°F
2 AM
32°F
0%
9mph
S
Partly Cloudy
Humidity
79%
Feels like
25°F
Dew Point
26°F
3 AM
32°F
0%
9mph
S
Partly Cloudy
Humidity
80%
Feels like
24°F
Dew Point
26°F
4 AM
32°F
0%
9mph
S
Partly Cloudy
Humidity
79%
Feels like
24°F
Dew Point
26°F
5 AM
32°F
0%
9mph
S
Mostly Clear
Humidity
78%
Feels like
24°F
Dew Point
26°F
6 AM
33°F
0%
9mph
S
Mostly Clear
Humidity
73%
Feels like
26°F
Dew Point
26°F
7 AM
35°F
0%
9mph
S
Partly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
26°F
7:43 AM
8 AM
38°F
0%
10mph
S
Partly Cloudy
Humidity
65%
Feels like
31°F
Dew Point
27°F
9 AM
40°F
0%
11mph
S
Partly Cloudy
Humidity
63%
Feels like
33°F
Dew Point
28°F
10 AM
42°F
0%
13mph
S
Mostly Cloudy
Humidity
61%
Feels like
35°F
Dew Point
29°F
11 AM
44°F
0%
14mph
S
Partly Cloudy
Humidity
59%
Feels like
37°F
Dew Point
31°F
12 PM
46°F
0%
15mph
S
Partly Cloudy
Humidity
57%
Feels like
40°F
Dew Point
32°F
1 PM
47°F
0%
15mph
S
Partly Cloudy
Humidity
57%
Feels like
41°F
Dew Point
33°F
2 PM
48°F
0%
16mph
S
Partly Cloudy
Humidity
58%
Feels like
42°F
Dew Point
34°F
3 PM
47°F
0%
16mph
S
Partly Cloudy
Humidity
60%
Feels like
41°F
Dew Point
34°F
4 PM
46°F
10%
16mph
S
Partly Cloudy
Humidity
62%
Feels like
40°F
Dew Point
34°F
4:43 PM
5 PM
46°F
10%
17mph
S
Mostly Cloudy
Humidity
63%
Feels like
39°F
Dew Point
34°F
6 PM
45°F
30%
18mph
S
30% Chance of Light Rain
Humidity
64%
Feels like
38°F
Dew Point
34°F
7 PM
45°F
40%
19mph
S
40% Chance of Light Rain
Humidity
65%
Feels like
37°F
Dew Point
34°F
8 PM
45°F
50%
20mph
S
50% Chance of Rain
Humidity
67%
Feels like
37°F
Dew Point
35°F
9 PM
46°F
50%
21mph
S
50% Chance Rain Showers
Humidity
69%
Feels like
38°F
Dew Point
36°F
10 PM
46°F
50%
21mph
S
50% Chance Rain Showers
Humidity
71%
Feels like
38°F
Dew Point
37°F
11 PM
46°F
90%
21mph
S
Rain
Humidity
74%
Feels like
38°F
Dew Point
38°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

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Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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