10-Day Weather Forecast - Saint Helens, OR

Widespread frost in the morning. Sunny. Highs in the mid 50s. Winds light.

Mostly clear in the evening then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Winds light.

Areas of frost in the morning. Partly sunny. Highs in the upper 50s. Winds light.

Mostly cloudy. A chance of rain after midnight. Lows in the lower 40s. Winds light. Chance of rain 50 percent.

Rain. Highs in the lower 50s. Chance of rain near 100 percent.

Rain. Lows in the upper 30s. Chance of rain near 100 percent.

Rain. Highs in the mid 50s. Chance of rain 80 percent.

Mostly cloudy in the evening then clearing. A 20 percent chance of rain. Lows in the upper 30s.

Partly sunny with a 20 percent chance of rain. Highs in the upper 50s.

Mostly clear. Lows in the upper 30s.

Mostly sunny. Highs in the mid 60s.

Mostly clear. Lows around 40.

Partly sunny. Highs in the upper 60s.

Partly cloudy. Low temperature around 43F. Dew point will be around 41F with an average humidity of 76%. Winds will be 4 mph from the NW.

Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 60F. Dew point will be around 41F with an average humidity of 64%. Winds will be 3 mph from the W.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 39F with an average humidity of 76%. Winds will be 3 mph from the W.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 58F. Dew point will be around 40F with an average humidity of 65%. Winds will be 3 mph from the W.

Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 39F. Dew point will be around 38F with an average humidity of 76%. Winds will be 3 mph from the NW.