10-Day Weather Forecast - Coulee Dam, WA

Mostly cloudy. Highs in the upper 40s to lower 50s. Southeast wind 5 to 10 mph.

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

Partly sunny. Areas of fog and freezing fog. Highs in the upper 30s to lower 40s. Northeast wind 5 to 10 mph.

Cloudy. Patchy freezing fog. Lows in the upper 20s to lower 30s. North wind 5 to 10 mph.

Cloudy. Highs in the mid 30s to lower 40s. Lows in the upper 20s to lower 30s.

Cloudy. Highs in the mid 30s to lower 40s. Lows in the upper 20s to lower 30s.

Cloudy. Highs in the mid 30s to lower 40s. Lows in the upper 20s to lower 30s.

Mostly cloudy. Patchy freezing fog. Lows in the mid to upper 20s.

Mostly cloudy. Highs in the lower 40s.

Partly cloudy. Patchy freezing fog. Lows in the mid to upper 20s. Highs in the upper 30s to lower 40s.

Partly cloudy. Patchy freezing fog. Lows in the mid to upper 20s. Highs in the upper 30s to lower 40s.

Partly cloudy. Patchy freezing fog. Lows in the mid to upper 20s. Highs in the upper 30s to lower 40s.

Partly cloudy. Patchy freezing fog. Lows in the mid to upper 20s. Highs in the upper 30s to lower 40s.

Partly cloudy. Low temperature around 32F. Dew point will be around 29F with an average humidity of 86%. Winds will be 1 mph from the E.

Cloudy. High temperature around 38F. Dew point will be around 30F with an average humidity of 79%. Winds will be 1 mph from the E.

Cloudy. Low temperature around 32F. Dew point will be around 30F with an average humidity of 87%. Winds will be 0 mph from the E.

Mostly cloudy. High temperature around 38F. Dew point will be around 30F with an average humidity of 80%. Winds will be 1 mph from the SW.

Cloudy. Low temperature around 31F. Dew point will be around 28F with an average humidity of 85%. Winds will be 0 mph from the SW.