10-Day Weather Forecast - Cosmopolis, WA

Mostly cloudy in the morning then becoming mostly sunny. Highs in the 60s to lower 70s. Light wind becoming southwest around 10 mph in the afternoon.

Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 40s to lower 50s. West wind around 10 mph in the evening becoming light.

Mostly cloudy. Highs in the 60s. Light wind becoming southwest around 10 mph in the afternoon.

Mostly cloudy. Lows in the mid to upper 40s.

Partly sunny. Highs in the lower to mid 60s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s.

Mostly cloudy with a slight chance of showers. Highs in the lower 60s.

Mostly cloudy with a slight chance of showers. Lows in the mid to upper 40s.

Mostly cloudy with a slight chance of showers in the morning then mostly sunny in the afternoon. Highs in the mid to upper 60s.

Partly cloudy. Lows in the mid to upper 40s.

Partly sunny. Highs in the mid 60s to lower 70s.

Partly cloudy. Low temperature around 49F. Dew point will be around 49F with an average humidity of 86%. Winds will be 6 mph from the NW.

Partly cloudy. High temperature around 67F. Dew point will be around 50F with an average humidity of 68%. Winds will be 9 mph from the NW.

Partly cloudy. Low temperature around 50F. Dew point will be around 48F with an average humidity of 80%. Winds will be 7 mph from the NW.

Partly cloudy. High temperature around 65F. Dew point will be around 50F with an average humidity of 69%. Winds will be 8 mph from the NW.

Mostly clear. Low temperature around 50F. Dew point will be around 48F with an average humidity of 80%. Winds will be 8 mph from the NW.

Mostly cloudy. High temperature around 63F. Dew point will be around 49F with an average humidity of 69%. Winds will be 9 mph from the NW.

Clear. Low temperature around 49F. Dew point will be around 47F with an average humidity of 82%. Winds will be 8 mph from the NW.