Over the next 10 days Walla Walla tops out around 101° (Saturday) and dips to 61° on the coolest night (Thursday). Roughly 0.06 in of rain falls over the period, with Saturday the most likely wet day (57%). The NWS alert board for this area is currently clear. Right now Walla Walla is running about 10° warmer than Spokane. Longer view: marine climate — mild, showery winters and dry, gentle summers.
Walla Walla, WA · Elev 942 ft · 46.06°N, 118.34°W · Washington · Forecast computed for these exact coordinates