The 10-day span for Tumwater runs from a high near 26° on Sunday down to 9° overnight on Thursday. Models drop roughly 0.60 in of precipitation across the stretch — watch Wednesday (89%). Wind is the one to watch: gusts to 34 mph around Wednesday. The NWS alert board for this area is currently clear. Right now Tumwater is running about 50° warmer than Salem. Longer view: marine climate — mild, showery winters and dry, gentle summers.
Tumwater, WA · Elev 174 ft · 47.01°N, 122.91°W · Washington · Forecast computed for these exact coordinates