10-Day Weather Forecast - Saint Helens, OR

Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 70s. Northwest wind 5 to 10 mph.

Mostly clear. Lows around 50. Northwest wind 5 to 10 mph.

Mostly sunny. Highs in the upper 70s. Northwest wind 5 to 10 mph.

Mostly clear. Lows in the lower 50s.

Mostly sunny. Highs around 80.

Partly cloudy. Lows in the mid 50s.

Partly sunny. Highs in the upper 70s.

Partly cloudy. Lows in the lower 50s.

Mostly sunny. Highs in the lower 80s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s.

Sunny. Highs in the mid 80s.

Clear. Low temperature around 56F. Dew point will be around 48F with an average humidity of 56%. Winds will be 6 mph from the NW.

Sunny. High temperature around 87F. Dew point will be around 50F with an average humidity of 44%. Winds will be 6 mph from the NW.

Clear. Low temperature around 58F. Dew point will be around 51F with an average humidity of 57%. Winds will be 6 mph from the NW.

Sunny. High temperature around 87F. Dew point will be around 53F with an average humidity of 47%. Winds will be 6 mph from the NW.

Clear. Low temperature around 58F. Dew point will be around 53F with an average humidity of 62%. Winds will be 7 mph from the NW.

Sunny. High temperature around 85F. Dew point will be around 55F with an average humidity of 51%. Winds will be 6 mph from the NW.

Mostly clear. Low temperature around 58F. Dew point will be around 53F with an average humidity of 64%. Winds will be 7 mph from the NW.