10-Day Weather Forecast - Cathlamet, WA

Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 60s. West wind 5 to 10 mph.

Partly cloudy. Lows in the mid 40s. West wind 5 to 10 mph.

Partly sunny. Highs in the lower 70s. Light and variable winds becoming light in the afternoon.

Mostly cloudy. Lows around 50.

Rain with a slight chance of thunderstorms. Highs in the upper 50s. Chance of rain near 100 percent.

Rain. Lows in the mid 40s. Chance of rain 90 percent.

Partly sunny with a 50 percent chance of rain. Highs in the lower 60s.

Mostly cloudy. Lows in the upper 40s.

Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 60s.

Partly cloudy. Lows in the upper 40s.

Partly sunny. Highs in the mid 60s.

Mostly clear. Low temperature around 48F. Dew point will be around 48F with an average humidity of 85%. Winds will be 6 mph from the W.

Partly cloudy. High temperature around 69F. Dew point will be around 48F with an average humidity of 64%. Winds will be 6 mph from the W.

Clear. Low temperature around 46F. Dew point will be around 46F with an average humidity of 85%. Winds will be 6 mph from the W.

Sunny. High temperature around 67F. Dew point will be around 45F with an average humidity of 59%. Winds will be 7 mph from the W.

Clear. Low temperature around 44F. Dew point will be around 44F with an average humidity of 83%. Winds will be 6 mph from the W.

Sunny. High temperature around 67F. Dew point will be around 45F with an average humidity of 60%. Winds will be 7 mph from the W.

Clear. Low temperature around 44F. Dew point will be around 45F with an average humidity of 83%. Winds will be 6 mph from the W.