Weather in Cosmopolis, WA
Updated 2026-08-11 08:15 local time · ZIP codes 98537
Mist
No government weather alerts were returned for this location at the latest update.
Next hours
58°38% rain
60°29% rain
61°23% rain
64°15% rain
67°10% rain71°7% rain73°5% rain75°5% rain71°7% rain69°9% rain67°13% rain64°29% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
There is a moderate rain chance, peaking near 38%.
It feels like 59°F with winds near 2 mph.
71°F, 7% rain chance and 8 mph wind.
Visibility is around 1 mi; gusts may reach 11 mph.
Current temperature is 58°F, wind 2 mph, rain chance up to 38%.
UV index is 1.
Cosmopolis weather today
Mist and 58°F in Cosmopolis, WA. Today's high is 75°F with a 22% rain chance. Winds are around 2 mph with gusts near 2 mph. Relative humidity is 94%, pressure is 30.13 inHg, and visibility is about 1 miles.
Tonight and tomorrow in Cosmopolis
Sunrise is at 06:07 AM and sunset is at 08:32 PM. Tomorrow's forecast calls for Fog with a high near 72°F and a low near 52°F. The maximum rain chance is 24%.