10-Day Weather Forecast - Port Arthur, WA

Mostly cloudy. Patchy fog in the morning. Highs in the 40s. Light wind.

Mostly cloudy. Lows in the mid 30s to lower 40s. Light wind.

Partly sunny. Highs in the mid to upper 40s. Light wind.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid to upper 30s.

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

Cloudy with a chance of rain. Lows in the lower 40s.

Mostly cloudy with a chance of rain. Highs near 50.

Mostly cloudy with a chance of rain. Lows in the lower 40s.

Mostly cloudy with a chance of rain. Highs in the mid to upper 40s.

Mostly cloudy with a chance of rain. Lows near 40.

Mostly cloudy with a chance of rain. Highs in the upper 40s.

Cloudy with a chance of rain. Chance of precipitation 55%. Low temperature around 40F. Dew point will be around 38F with an average humidity of 84%. Winds will be 6 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 46F. Dew point will be around 40F with an average humidity of 87%. Winds will be 6 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 91%. Winds will be 4 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 46F. Dew point will be around 41F with an average humidity of 88%. Winds will be 5 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 42F. Dew point will be around 41F with an average humidity of 91%. Winds will be 6 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 46F. Dew point will be around 41F with an average humidity of 87%. Winds will be 6 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 91%. Winds will be 4 mph from the S.