Mattawa, WA Hourly Weather Forecast

Sun, Sep 13th
Scattered showers giving way to partly cloudy by evening. Temps range from 51° to 53°. Breezy wind from the WSW at 7.8 mph, as humidity fluctuates between 64% to 73%, and an avg barometric pressure of 29.97 inHg.

Overnight into morning Mon, Sep 14th
Clear conditions expected later. Temps around 52°. Light winds from the SW at 5.9 mph, while humidity ranges from 75% to 76%, and an avg barometric pressure of 30 inHg.