Hourly Weather Forecast - Port Colborne, Ontario, CA

12 AM
38°F
20%
13mph
WSW
Cloudy
Humidity
70%
Feels like
30°F
Dew Point
29°F
1 AM
38°F
30%
12mph
WSW
30% Chance Frozen Mix
Humidity
73%
Feels like
30°F
Dew Point
30°F
2 AM
37°F
30%
12mph
WSW
30% Chance Rain Showers
Humidity
77%
Feels like
29°F
Dew Point
30°F
3 AM
36°F
30%
11mph
WSW
30% Chance Rain Showers
Humidity
80%
Feels like
28°F
Dew Point
31°F
4 AM
36°F
30%
11mph
WSW
30% Chance Frozen Mix
Humidity
82%
Feels like
28°F
Dew Point
31°F
5 AM
35°F
30%
11mph
WSW
30% Chance Frozen Mix
Humidity
83%
Feels like
28°F
Dew Point
31°F
6 AM
35°F
30%
10mph
WSW
30% Chance Snow Showers
Humidity
82%
Feels like
28°F
Dew Point
30°F
7 AM
35°F
20%
10mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
27°F
Dew Point
30°F
7:44 AM
8 AM
34°F
20%
10mph
WSW
Mostly Cloudy
Humidity
81%
Feels like
26°F
Dew Point
29°F
9 AM
34°F
10%
10mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
26°F
Dew Point
27°F
10 AM
33°F
10%
11mph
W
Mostly Cloudy
Humidity
74%
Feels like
25°F
Dew Point
26°F
11 AM
33°F
10%
11mph
W
Partly Cloudy
Humidity
70%
Feels like
25°F
Dew Point
25°F
12 PM
33°F
10%
11mph
W
Partly Cloudy
Humidity
68%
Feels like
24°F
Dew Point
23°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday'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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