10-Day Weather Forecast - Portland, NY

Some patchy fog in the morning otherwise partly sunny. A chance of showers in the afternoon. Humid with highs in the lower 80s. Light winds becoming west around 10 mph. Chance of rain 30 percent.

Mostly cloudy. A chance of showers and thunderstorms in the evening then showers with a chance of thunderstorms overnight. Muggy with lows ranging from the mid 60s in interior valleys to around 70 along the lake erie shore. Light winds. Chance of rain 90 percent.

Showers with a chance of thunderstorms in the morning then showers likely in the afternoon. Humid with highs in the upper 70s. Light winds. Chance of rain 90 percent.

Mostly cloudy. A chance of showers in the evening. Lows ranging from around 60 in interior valleys to the upper 60s along the lake erie shore. Light winds. Chance of rain 50 percent.

Mostly sunny. Highs around 80.

Partly cloudy. Lows in the upper 50s.

Sunny. Highs in the lower 80s.

Mainly clear. Lows in the lower 60s.

Sunny. Highs in the lower 80s.

Mainly clear. Lows in the mid 60s.

Mostly sunny. Highs in the mid 80s.

Partly cloudy. Lows in the upper 60s.

Mostly sunny. Highs in the mid 80s.

Mostly clear with a 30% chance for rain and thunderstorms. Low temperature around 71F. Dew point will be around 63F with an average humidity of 68%. Winds will be 3 mph from the W.

Sunny with a chance of rain. Chance of precipitation 35%. High temperature around 75F. Dew point will be around 62F with an average humidity of 69%. Winds will be 5 mph from the W.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 70F. Dew point will be around 62F with an average humidity of 70%. Winds will be 4 mph from the W.

Sunny. High temperature around 74F. Dew point will be around 60F with an average humidity of 68%. Winds will be 5 mph from the W.

Clear. Low temperature around 69F. Dew point will be around 60F with an average humidity of 68%. Winds will be 3 mph from the SW.