Mattawa's outlook: warmest day near 85° (Tuesday), coldest night about 48° (Sunday). Rain totals look negligible: a dry run of days ahead. Expect a blustery spell — gusts near 42 mph on Tuesday. Heads up: a Air Quality Alert is in effect — check the alerts tab before making plans. Right now Mattawa is running about 17° warmer than Bellingham. Longer view: marine climate — mild, showery winters and dry, gentle summers.
Mattawa, WA · Elev 768 ft · 46.74°N, 119.90°W · Washington · Forecast computed for these exact coordinates