Hourly Weather Forecast - Port Arthur, WA

1 AM
46°F
10%
6mph
ESE
Mostly Cloudy
Humidity
91%
Feels like
43°F
Dew Point
43°F
2 AM
46°F
10%
7mph
SE
Partly Cloudy
Humidity
90%
Feels like
43°F
Dew Point
43°F
3 AM
46°F
10%
7mph
SE
Partly Cloudy
Humidity
90%
Feels like
42°F
Dew Point
43°F
4 AM
46°F
10%
7mph
SSE
Partly Cloudy
Humidity
91%
Feels like
42°F
Dew Point
44°F
5 AM
46°F
10%
8mph
SSE
Partly Cloudy
Humidity
91%
Feels like
42°F
Dew Point
44°F
6 AM
47°F
20%
8mph
SSE
Partly Cloudy
Humidity
91%
Feels like
43°F
Dew Point
44°F
7 AM
47°F
30%
9mph
SSE
30% Chance of Light Rain
Humidity
91%
Feels like
43°F
Dew Point
45°F
7:55 AM
8 AM
48°F
50%
9mph
SSE
50% Chance Rain Showers
Humidity
91%
Feels like
44°F
Dew Point
46°F
9 AM
49°F
30%
10mph
SSE
30% Chance Rain Showers
Humidity
90%
Feels like
45°F
Dew Point
46°F
10 AM
50°F
30%
11mph
SSE
30% Chance of Light Rain
Humidity
89%
Feels like
50°F
Dew Point
47°F
11 AM
51°F
30%
10mph
SSE
30% Chance of Light Rain
Humidity
87%
Feels like
51°F
Dew Point
47°F
12 PM
52°F
30%
9mph
SSE
30% Chance of Light Rain
Humidity
86%
Feels like
52°F
Dew Point
48°F
1 PM
52°F
40%
8mph
SSE
40% Chance Rain Showers
Humidity
85%
Feels like
52°F
Dew Point
48°F
2 PM
53°F
50%
10mph
SSE
50% Chance of Light Rain
Humidity
85%
Feels like
53°F
Dew Point
48°F
3 PM
52°F
60%
11mph
SSE
60% Chance of Light Rain
Humidity
88%
Feels like
52°F
Dew Point
48°F
4 PM
51°F
60%
13mph
S
60% Chance of Light Rain
Humidity
91%
Feels like
51°F
Dew Point
49°F
4:17 PM
5 PM
50°F
60%
14mph
S
60% Chance of Light Rain
Humidity
94%
Feels like
50°F
Dew Point
49°F
6 PM
50°F
70%
15mph
SSE
70% Chance of Light Rain
Humidity
93%
Feels like
50°F
Dew Point
48°F
7 PM
51°F
60%
15mph
S
60% Chance of Light Rain
Humidity
93%
Feels like
51°F
Dew Point
48°F
8 PM
51°F
60%
14mph
SSE
60% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
9 PM
51°F
60%
13mph
S
60% Chance Rain Showers
Humidity
91%
Feels like
51°F
Dew Point
48°F
10 PM
50°F
70%
13mph
S
70% Chance Rain Showers
Humidity
90%
Feels like
45°F
Dew Point
47°F
11 PM
49°F
90%
14mph
SSW
Rain Showers
Humidity
88%
Feels like
43°F
Dew Point
46°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

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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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