Chehalis, WA 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon


Chehalis Weather Forecast


Chehalis, WA Weather Forecast Date: 237 PM PDT Tue Sep 22 2026
Weather forecast for Chehalis, WA
| Tonight Lo: 45°F Lo: 7°C |
Tonight... Partly cloudy until early morning then becoming mostly cloudy. Lows in the 40s. West wind to 10 mph in the evening becoming light. |
| Wed Hi: 67°FHi: 19°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly cloudy. Highs in the mid to upper 60s. Light wind. |
| Thu Hi: 63°FHi: 17°C Lo: 46°F Lo: 8°C |
Thursday... Cloudy. A chance of rain in the afternoon. Highs in the lower to mid 60s. Light wind. |
| Fri Hi: 61°FHi: 16°C Lo: 43°F Lo: 6°C |
Friday... Cloudy with rain likely in the morning, then mostly cloudy with showers likely and a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. |
| Sat Hi: 63°FHi: 17°C Lo: 43°F Lo: 6°C |
Saturday... Partly sunny. Highs in the lower to mid 60s. |
| Sun Hi: 63°FHi: 17°C Lo: 43°F Lo: 6°C |
Sunday... Mostly cloudy. Highs in the lower to mid 60s. |
| Mon Hi: 63°FHi: 17°C Lo: 47°F Lo: 8°C |
Monday... Mostly cloudy with a slight chance of rain. Highs in the lower to mid 60s. |
Chehalis Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Weather World