10-Day Weather Forecast - Coulee Dam, WA

Partly cloudy in the morning then clearing. Highs in the upper 80s to lower 90s. West wind 5 to 15 mph. Gusts up to 30 mph in the afternoon.

Mostly clear. Lows in the 50s. West wind 5 to 15 mph with gusts up to 30 mph.

Sunny. Highs in the mid 80s to lower 90s. Southwest wind 5 to 15 mph with gusts up to 20 mph.

Clear. Lows in the 50s. Highs in the mid 80s to lower 90s.

Clear. Lows in the 50s. Highs in the mid 80s to lower 90s.

Clear. Lows in the 50s. Highs in the mid 80s to lower 90s.

Clear. Lows in the 50s. Highs in the mid 80s to lower 90s.

Partly cloudy. Lows in the mid 50s to lower 60s. Highs in the mid 80s to lower 90s.

Partly cloudy. Lows in the mid 50s to lower 60s. Highs in the mid 80s to lower 90s.

Partly cloudy. Lows in the mid 50s to lower 60s. Highs in the mid 80s to lower 90s.

Partly cloudy. Lows in the mid 50s to lower 60s. Highs in the mid 80s to lower 90s.

Clear. Low temperature around 70F. Dew point will be around 43F with an average humidity of 30%. Winds will be 4 mph from the SW.

Sunny. High temperature around 99F. Dew point will be around 45F with an average humidity of 21%. Winds will be 3 mph from the SW.

Clear. Low temperature around 72F. Dew point will be around 47F with an average humidity of 31%. Winds will be 2 mph from the SW.

Sunny. High temperature around 101F. Dew point will be around 47F with an average humidity of 23%. Winds will be 3 mph from the SW.

Clear. Low temperature around 74F. Dew point will be around 50F with an average humidity of 33%. Winds will be 2 mph from the SW.

Sunny. High temperature around 101F. Dew point will be around 51F with an average humidity of 25%. Winds will be 3 mph from the SW.

Clear. Low temperature around 74F. Dew point will be around 51F with an average humidity of 35%. Winds will be 3 mph from the SW.