Hourly Weather Forecast - Cosmopolis, WA

12 AM
46°F
80%
5mph
S
80% Chance of Light Rain
Humidity
96%
Feels like
43°F
Dew Point
45°F
1 AM
46°F
90%
5mph
S
Light Rain
Humidity
96%
Feels like
43°F
Dew Point
45°F
2 AM
46°F
90%
5mph
S
Light Rain
Humidity
98%
Feels like
43°F
Dew Point
45°F
3 AM
45°F
100%
6mph
S
Light Rain
Humidity
99%
Feels like
42°F
Dew Point
45°F
4 AM
45°F
100%
6mph
SSE
Light Rain
Humidity
99%
Feels like
41°F
Dew Point
44°F
5 AM
44°F
100%
6mph
SSE
Light Rain
Humidity
98%
Feels like
40°F
Dew Point
43°F
6 AM
43°F
100%
7mph
SSE
Light Rain
Humidity
97%
Feels like
39°F
Dew Point
42°F
7 AM
42°F
100%
7mph
SE
Light Rain
Humidity
96%
Feels like
38°F
Dew Point
41°F
7:56 AM
8 AM
42°F
100%
7mph
SE
Light Rain
Humidity
95%
Feels like
37°F
Dew Point
41°F
9 AM
43°F
100%
7mph
SSE
Light Rain
Humidity
95%
Feels like
38°F
Dew Point
41°F
10 AM
44°F
100%
7mph
SSE
Light Rain
Humidity
95%
Feels like
39°F
Dew Point
42°F
11 AM
44°F
90%
6mph
SSE
Light Rain
Humidity
96%
Feels like
41°F
Dew Point
43°F
12 PM
45°F
90%
5mph
S
Light Rain
Humidity
98%
Feels like
42°F
Dew Point
45°F
1 PM
46°F
90%
5mph
SSW
Light Rain
Humidity
98%
Feels like
44°F
Dew Point
46°F
2 PM
47°F
90%
6mph
SW
Light Rain
Humidity
97%
Feels like
45°F
Dew Point
47°F
3 PM
49°F
90%
8mph
WSW
Light Rain
Humidity
94%
Feels like
45°F
Dew Point
47°F
4 PM
49°F
80%
9mph
W
80% Chance of Light Rain
Humidity
95%
Feels like
45°F
Dew Point
47°F
4:27 PM
5 PM
48°F
80%
9mph
W
80% Chance of Light Rain
Humidity
94%
Feels like
44°F
Dew Point
46°F
6 PM
47°F
70%
8mph
W
70% Chance of Light Rain
Humidity
95%
Feels like
43°F
Dew Point
45°F
7 PM
46°F
70%
7mph
W
70% Chance Rain Showers
Humidity
95%
Feels like
42°F
Dew Point
44°F
8 PM
45°F
70%
7mph
W
70% Chance Rain Showers
Humidity
91%
Feels like
41°F
Dew Point
43°F
9 PM
45°F
60%
6mph
W
60% Chance Rain Showers
Humidity
91%
Feels like
41°F
Dew Point
42°F
10 PM
44°F
50%
5mph
W
50% Chance Rain Showers
Humidity
89%
Feels like
41°F
Dew Point
41°F
11 PM
44°F
40%
4mph
W
40% Chance Rain Showers
Humidity
88%
Feels like
42°F
Dew Point
41°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide