10-Day Weather Forecast - Portland, PA

Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 50 percent.

Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Humid with lows around 60. North winds around 5 mph. Chance of rain 30 percent.

Mostly sunny. Highs in the upper 70s. North winds around 5 mph.

Mostly clear. Lows in the upper 50s. North winds around 5 mph.

Mostly sunny. Highs in the mid 70s.

Mostly clear. Lows in the lower 50s.

Sunny. Highs in the mid 70s.

Mostly clear. Lows in the mid 50s.

Mostly sunny. Highs in the upper 70s.

Partly cloudy. Lows in the upper 50s.

Partly sunny. Highs in the upper 70s.

Mostly cloudy. Lows in the mid 60s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 65F with an average humidity of 88%. Winds will be 3 mph from the W.

Mostly sunny. High temperature around 81F. Dew point will be around 66F with an average humidity of 78%. Winds will be 4 mph from the W.

Mostly clear. Low temperature around 58F. Dew point will be around 59F with an average humidity of 87%. Winds will be 2 mph from the NW.

Mostly sunny. High temperature around 78F. Dew point will be around 62F with an average humidity of 77%. Winds will be 1 mph from the NE.

Clear. Low temperature around 58F. Dew point will be around 58F with an average humidity of 89%. Winds will be 1 mph from the E.