Hourly Weather Forecast - Port Perry, Ontario, CA

12 AM
18°F
10%
11mph
WNW
Mostly Cloudy
Humidity
77%
Feels like
6°F
Dew Point
12°F
1 AM
18°F
10%
10mph
WNW
Mostly Cloudy
Humidity
78%
Feels like
7°F
Dew Point
12°F
2 AM
18°F
0%
8mph
WNW
Mostly Cloudy
Humidity
78%
Feels like
8°F
Dew Point
13°F
3 AM
19°F
0%
6mph
W
Partly Cloudy
Humidity
78%
Feels like
11°F
Dew Point
13°F
4 AM
19°F
0%
5mph
W
Partly Cloudy
Humidity
79%
Feels like
12°F
Dew Point
14°F
5 AM
20°F
0%
5mph
WSW
Partly Cloudy
Humidity
81%
Feels like
13°F
Dew Point
15°F
6 AM
20°F
0%
5mph
SW
Partly Cloudy
Humidity
82%
Feels like
13°F
Dew Point
15°F
7 AM
20°F
10%
5mph
SSW
Partly Cloudy
Humidity
83%
Feels like
13°F
Dew Point
16°F
7:47 AM
8 AM
21°F
10%
6mph
S
Partly Cloudy
Humidity
83%
Feels like
13°F
Dew Point
16°F
9 AM
22°F
10%
7mph
S
Mostly Cloudy
Humidity
82%
Feels like
13°F
Dew Point
17°F
10 AM
23°F
10%
9mph
S
Cloudy
Humidity
80%
Feels like
14°F
Dew Point
18°F
11 AM
25°F
10%
10mph
S
Cloudy
Humidity
79%
Feels like
15°F
Dew Point
19°F
12 PM
26°F
10%
11mph
S
Cloudy
Humidity
78%
Feels like
16°F
Dew Point
20°F
1 PM
27°F
20%
11mph
S
Cloudy
Humidity
78%
Feels like
16°F
Dew Point
21°F
2 PM
28°F
20%
12mph
S
Cloudy
Humidity
77%
Feels like
17°F
Dew Point
21°F
3 PM
28°F
20%
12mph
S
Cloudy
Humidity
76%
Feels like
18°F
Dew Point
22°F
4 PM
29°F
30%
12mph
S
30% Chance of Flurries
Humidity
76%
Feels like
19°F
Dew Point
22°F
4:39 PM
5 PM
29°F
30%
11mph
S
30% Chance of Flurries
Humidity
75%
Feels like
20°F
Dew Point
22°F
6 PM
30°F
30%
10mph
S
30% Chance of Flurries
Humidity
75%
Feels like
21°F
Dew Point
23°F
7 PM
30°F
50%
10mph
SSW
50% Chance of Flurries
Humidity
76%
Feels like
22°F
Dew Point
24°F
8 PM
31°F
50%
10mph
SSW
50% Chance of Flurries
Humidity
78%
Feels like
23°F
Dew Point
25°F
9 PM
31°F
60%
10mph
SW
60% Chance of Flurries
Humidity
80%
Feels like
23°F
Dew Point
26°F
10 PM
31°F
50%
11mph
SW
50% Chance of Flurries
Humidity
82%
Feels like
23°F
Dew Point
27°F
11 PM
31°F
40%
11mph
WSW
40% Chance of Snow
Humidity
83%
Feels like
23°F
Dew Point
27°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

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

Thursday's Weather Outlook

Thursday'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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