Weather WorldCosmopolis, WA 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Cosmopolis Weather Forecast
Cosmopolis, WA Weather Forecast Date: 236 AM PDT Sat Oct 24 2026
Weather forecast for Cosmopolis, WA
Today Hi: 56°FHi: 13°C Lo: 40°F Lo: 4°C |
Today... Mostly cloudy. Highs in the mid 50s to lower 60s. Light wind. |
Sun Hi: 55°FHi: 13°C Lo: 45°F Lo: 7°C |
Sunday... Rain until late afternoon, then rain likely late in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the 50s. East wind 10 to 15 mph. |
| Mon Hi: 56°FHi: 13°C Lo: 40°F Lo: 4°C |
Monday... Partly sunny. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs in the mid 50s to lower 60s. East wind around 10 mph in the morning becoming light. |
Tue Hi: 59°FHi: 15°C Lo: 40°F Lo: 4°C |
Tuesday... Mostly cloudy. A slight chance of rain in the afternoon. Highs in the upper 50s. |
| Wed Hi: 57°FHi: 14°C Lo: 40°F Lo: 4°C |
Wednesday... Mostly cloudy with a chance of rain. Highs in the mid to upper 50s. |
| Thu Hi: 57°FHi: 14°C Lo: 37°F Lo: 3°C |
Thursday... Mostly cloudy with a chance of rain. Highs in the mid to upper 50s. |
| Fri Hi: 57°FHi: 14°C |
Friday... Partly sunny. Highs in the mid to upper 50s. |
Cosmopolis Radar Loop
Use the map search tool if you want to place a location marker on the radar map...