10-Day Weather Forecast - Saint Helens, OR

Partly sunny. A slight chance of rain in the afternoon. Highs in the lower 60s. Winds light. Chance of rain 20 percent.

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

Mostly cloudy in the morning then becoming partly sunny. A 20 percent chance of rain. Highs in the mid 60s. Winds light.

Mostly clear. Lows in the lower 40s.

Sunny. Highs in the lower 70s.

Mostly clear. Lows in the mid 40s.

Mostly sunny. Highs in the mid 70s.

Partly cloudy. Lows in the mid 40s.

Mostly sunny. Highs in the lower 70s.

Partly cloudy. Lows in the mid 40s.

Partly sunny. Highs in the lower 70s.

Partly cloudy. Low temperature around 47F. Dew point will be around 44F with an average humidity of 73%. Winds will be 4 mph from the NW.

Partly cloudy. High temperature around 74F. Dew point will be around 45F with an average humidity of 54%. Winds will be 3 mph from the N.

Clear. Low temperature around 48F. Dew point will be around 45F with an average humidity of 67%. Winds will be 4 mph from the NW.

Sunny. High temperature around 71F. Dew point will be around 45F with an average humidity of 52%. Winds will be 2 mph from the NW.

Partly cloudy. Low temperature around 49F. Dew point will be around 45F with an average humidity of 68%. Winds will be 4 mph from the NW.

Cloudy. High temperature around 65F. Dew point will be around 45F with an average humidity of 59%. Winds will be 4 mph from the NW.

Mostly clear. Low temperature around 45F. Dew point will be around 41F with an average humidity of 69%. Winds will be 5 mph from the NW.