10-Day Weather Forecast - Mattawa, WA

Mostly sunny. Highs in the upper 50s to lower 60s. Northeast wind 5 to 10 mph shifting to the southwest in the afternoon.

Cloudy. Lows in the lower to mid 40s. South wind 5 to 10 mph.

Rain. Highs in the 50s. South wind 5 to 15 mph with gusts up to 30 mph. Chance of precipitation 90 percent.

Windy. Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s to lower 40s.

Breezy. Partly sunny with a 20 percent chance of rain. Highs in the 50s.

Mostly clear. Lows in the upper 20s to lower 30s. Highs in the lower to mid 50s.

Mostly clear. Lows in the upper 20s to lower 30s. Highs in the lower to mid 50s.

Mostly clear. Lows in the upper 20s to lower 30s. Highs in the lower to mid 50s.

Partly cloudy. Highs in the mid 50s to lower 60s. Lows in the lower to mid 30s.

Partly cloudy. Highs in the mid 50s to lower 60s. Lows in the lower to mid 30s.

Partly cloudy. Highs in the mid 50s to lower 60s. Lows in the lower to mid 30s.

Partly cloudy. Low temperature around 44F. Dew point will be around 31F with an average humidity of 46%. Winds will be 4 mph from the W.

Partly cloudy. High temperature around 67F. Dew point will be around 33F with an average humidity of 40%. Winds will be 6 mph from the W.

Partly cloudy. Low temperature around 42F. Dew point will be around 33F with an average humidity of 52%. Winds will be 9 mph from the W.

Partly cloudy. High temperature around 61F. Dew point will be around 29F with an average humidity of 39%. Winds will be 6 mph from the W.

Mostly cloudy. Low temperature around 41F. Dew point will be around 29F with an average humidity of 50%. Winds will be 6 mph from the W.

Cloudy. High temperature around 60F. Dew point will be around 31F with an average humidity of 43%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 43F. Dew point will be around 33F with an average humidity of 55%. Winds will be 4 mph from the NW.