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May 13th, 2026 :: 7:47 pm PDT   

Local Weather Report for
Cosmopolis
Washington, United States

 Cosmopolis Weather Forecast Summary  
 
Today
May 13th
Thursday
May 14th
Friday
May 15th
Saturday
May 16th
Sunday
May 17th
Mostly Cloudy with Showers Mix of Cloud and Sun Mostly Cloudy Mix of Sun and Cloud Mix of Sun and Cloud
52°F
59°F
43°F
52°F
42°F
53°F
39°F
58°F
39°F
 
 Cosmopolis Detailed Weather Forecast  
 
Wednesday, May 13th, 2026
Evening Temperature: 50°F
Cloudy with clear periods with a slight chance of showers.
Thursday, May 14th, 2026
Overnight Temperature: 45°F
A mix of clear and cloudy skies.
Morning Temperature: 55°F
A mix of sun and cloud with a slight chance of showers.
Afternoon Temperature: 55°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: 49°F
Cloudy with clear periods with a chance of showers.
Friday, May 15th, 2026
Overnight Temperature: 42°F
A mix of cloudy and clear skies.
Morning Temperature: 49°F
Cloudy with a slight chance of showers.
Afternoon Temperature: 48°F
Cloudy with a chance of showers.
Evening Temperature: 47°F
A mix of cloudy and clear skies with a chance of showers.
Saturday, May 16th, 2026
Overnight Temperature: 40°F
A mix of cloudy and clear skies with a slight chance of showers. Showers possibly mixed with wet flurries.
Morning Temperature: 47°F
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 51°F
Mostly sunny with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 43°F
Clear.
Sunday, May 17th, 2026
Overnight Temperature: 39°F
Clear with cloudy periods.
Morning Temperature: 52°F
Mostly sunny.
Afternoon Temperature: 57°F
Mostly cloudy.
Evening Temperature: 46°F
A mix of cloudy and clear skies.
Monday, May 18th, 2026
Overnight Temperature: 39°F
A mix of cloudy and clear skies.
Morning Temperature: 53°F
A mix of sun and cloud.
Afternoon Temperature: 57°F
A mix of sun and cloud.
Evening Temperature: 52°F
Clear with cloudy periods.
Tuesday, May 19th, 2026
Overnight Temperature: 49°F
A mix of cloudy and clear skies.
Morning Temperature: 55°F
Mostly sunny.
Afternoon Temperature: 61°F
Mostly sunny. Windy at times.
Evening Temperature: 46°F
Mostly clear.
Wednesday, May 20th, 2026
Overnight Temperature: 39°F
Mostly clear.
Morning Temperature: 55°F
Mostly sunny.
Afternoon Temperature: 67°F
Mostly sunny. Windy at times.
Evening Temperature: 49°F
Clear with cloudy periods.
Thursday, May 21st, 2026
Overnight Temperature: 42°F
A mix of cloudy and clear skies.
Morning Temperature: 55°F
Sunny with cloudy periods.
Afternoon Temperature: 63°F
Sunny. Windy at times.
Evening Temperature: 48°F
Clear. Windy at times.





 

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This WeatherCity Weather Forecast for Cosmopolis, Washington, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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