Over the next 10 days Chehalis tops out around 29° (Wednesday) and dips to 8° on the coolest night (Friday). Models drop roughly 1.4 in of precipitation across the stretch — watch Thursday (88%). No active NWS alerts at the moment — quiet on the hazards front. Right now Chehalis is running about 59° warmer than Eugene. Longer view: marine climate — mild, showery winters and dry, gentle summers.
Chehalis, WA · Elev 243 ft · 46.66°N, 122.96°W · Washington · Forecast computed for these exact coordinates