Hourly Weather Forecast - Port Arthur, WA

10 AM
50°F
70%
11mph
SSE
70% Chance of Light Rain
Humidity
91%
Feels like
45°F
Dew Point
47°F
11 AM
51°F
70%
10mph
SSE
70% Chance of Light Rain
Humidity
90%
Feels like
51°F
Dew Point
48°F
12 PM
51°F
30%
9mph
S
30% Chance of Light Rain
Humidity
88%
Feels like
51°F
Dew Point
48°F
1 PM
51°F
30%
8mph
SSE
30% Chance of Light Rain
Humidity
88%
Feels like
51°F
Dew Point
48°F
2 PM
51°F
50%
9mph
S
50% Chance of Light Rain
Humidity
89%
Feels like
51°F
Dew Point
48°F
3 PM
51°F
50%
12mph
SSE
50% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
4 PM
51°F
50%
14mph
S
50% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
4:17 PM
5 PM
51°F
60%
14mph
S
60% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
6 PM
51°F
60%
15mph
SSE
60% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
7 PM
51°F
70%
15mph
S
70% Chance of Light Rain
Humidity
93%
Feels like
51°F
Dew Point
49°F
8 PM
51°F
80%
13mph
S
80% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
9 PM
51°F
80%
11mph
S
80% Chance of Light Rain
Humidity
94%
Feels like
51°F
Dew Point
49°F
10 PM
49°F
80%
10mph
S
80% Chance of Rain
Humidity
97%
Feels like
45°F
Dew Point
49°F
11 PM
48°F
100%
12mph
SSW
Light Rain
Humidity
94%
Feels like
43°F
Dew Point
46°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday'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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