Hourly Weather Forecast - St Catharines, Ontario, CA

12 AM
37°F
30%
18mph
WSW
30% Chance Snow Showers
Humidity
67%
Feels like
27°F
Dew Point
27°F
1 AM
36°F
30%
18mph
WSW
30% Chance Frozen Mix
Humidity
71%
Feels like
26°F
Dew Point
27°F
2 AM
35°F
20%
18mph
WSW
Mostly Clear
Humidity
70%
Feels like
24°F
Dew Point
26°F
3 AM
33°F
20%
18mph
WSW
Clear
Humidity
69%
Feels like
22°F
Dew Point
24°F
4 AM
32°F
10%
18mph
WSW
Clear
Humidity
66%
Feels like
21°F
Dew Point
22°F
5 AM
31°F
10%
19mph
WSW
Clear
Humidity
67%
Feels like
19°F
Dew Point
21°F
6 AM
29°F
10%
19mph
WSW
Clear
Humidity
64%
Feels like
17°F
Dew Point
19°F
7 AM
28°F
0%
20mph
WSW
Mostly Clear
Humidity
62%
Feels like
15°F
Dew Point
17°F
7:45 AM
8 AM
28°F
0%
20mph
W
Partly Cloudy
Humidity
59%
Feels like
15°F
Dew Point
16°F
9 AM
28°F
0%
20mph
W
Partly Cloudy
Humidity
56%
Feels like
15°F
Dew Point
15°F
10 AM
28°F
0%
20mph
W
Partly Cloudy
Humidity
52%
Feels like
15°F
Dew Point
13°F
11 AM
29°F
10%
20mph
W
Mostly Cloudy
Humidity
51%
Feels like
16°F
Dew Point
13°F
12 PM
29°F
10%
20mph
W
Mostly Cloudy
Humidity
52%
Feels like
16°F
Dew Point
13°F
1 PM
29°F
10%
20mph
W
Windy
Humidity
52%
Feels like
16°F
Dew Point
13°F
2 PM
28°F
10%
20mph
W
Mostly Cloudy
Humidity
53%
Feels like
15°F
Dew Point
14°F
3 PM
28°F
10%
20mph
W
Mostly Cloudy
Humidity
55%
Feels like
14°F
Dew Point
14°F
4 PM
27°F
10%
19mph
W
Mostly Cloudy
Humidity
58%
Feels like
13°F
Dew Point
14°F
4:44 PM
5 PM
26°F
10%
19mph
W
Mostly Cloudy
Humidity
59%
Feels like
13°F
Dew Point
14°F
6 PM
26°F
10%
18mph
W
Partly Cloudy
Humidity
59%
Feels like
13°F
Dew Point
14°F
7 PM
26°F
10%
17mph
W
Partly Cloudy
Humidity
60%
Feels like
13°F
Dew Point
14°F
8 PM
26°F
20%
17mph
W
Partly Cloudy
Humidity
60%
Feels like
14°F
Dew Point
14°F
9 PM
26°F
20%
16mph
WNW
Partly Cloudy
Humidity
63%
Feels like
14°F
Dew Point
15°F
10 PM
26°F
20%
15mph
WNW
Partly Cloudy
Humidity
63%
Feels like
14°F
Dew Point
15°F
11 PM
26°F
10%
14mph
WNW
Mostly Cloudy
Humidity
62%
Feels like
14°F
Dew Point
14°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

How to Measure Snow via NWS

How To Measure Snow

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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