10-Day Weather Forecast - Mattawa, WA

Patchy fog in the morning. Mostly cloudy. Highs in the mid 40s to lower 50s. Northeast wind 5 to 10 mph.

Mostly cloudy. Patchy fog. Lows in the lower to mid 30s. Northeast wind 5 to 10 mph.

Partly sunny. Patchy fog. Highs in the upper 40s to mid 50s. Northeast wind 5 to 10 mph.

Partly cloudy. Patchy fog. Lows in the lower to mid 30s. Northeast wind 5 to 10 mph.

Partly sunny. Patchy fog. Highs in the lower to mid 50s.

Mostly cloudy. Lows in the lower to mid 30s. Highs in the mid 40s to lower 50s.

Mostly cloudy. Lows in the lower to mid 30s. Highs in the mid 40s to lower 50s.

Mostly cloudy. Lows in the lower to mid 30s. Highs in the mid 40s to lower 50s.

Mostly cloudy. Lows in the lower to mid 30s. Highs in the mid 40s to lower 50s.

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

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

Mostly cloudy with a 20 percent chance of rain. Lows in the mid 30s.

Partly sunny with a chance of rain or snow. Highs in the upper 40s to lower 50s. Chance of precipitation 20 percent.

Partly cloudy. Low temperature around 37F. Dew point will be around 34F with an average humidity of 77%. Winds will be 5 mph from the W.

Mostly sunny. High temperature around 45F. Dew point will be around 32F with an average humidity of 67%. Winds will be 3 mph from the SW.

Clear. Low temperature around 35F. Dew point will be around 29F with an average humidity of 69%. Winds will be 2 mph from the NW.

Mostly sunny. High temperature around 44F. Dew point will be around 30F with an average humidity of 66%. Winds will be 2 mph from the S.

Partly cloudy. Low temperature around 36F. Dew point will be around 29F with an average humidity of 67%. Winds will be 4 mph from the SW.