10-Day Weather Forecast - Grand Coulee, 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.

Cloudy. Low temperature around 39F. Dew point will be around 36F with an average humidity of 86%. Winds will be 1 mph from the SW.

Partly cloudy. High temperature around 44F. Dew point will be around 34F with an average humidity of 76%. Winds will be 1 mph from the W.

Mostly clear. Low temperature around 36F. Dew point will be around 33F with an average humidity of 80%. Winds will be 1 mph from the NE.

Mostly sunny. High temperature around 43F. Dew point will be around 32F with an average humidity of 74%. Winds will be 1 mph from the S.

Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 36F. Dew point will be around 31F with an average humidity of 78%. Winds will be 2 mph from the SE.