10-Day Weather Forecast - Port Jefferson Station, NY

Mostly cloudy with a 20 percent chance of rain. Highs in the mid 40s. Southwest winds 5 to 10 mph.

Cloudy. A slight chance of rain in the evening then a chance of rain after midnight. Lows in the upper 20s. South winds 5 to 10 mph. Chance of rain 50 percent.

Partly sunny. A slight chance of rain and snow in the morning. Highs in the upper 30s. West winds 15 to 20 mph. Chance of precipitation 20 percent.

Partly cloudy. Lows around 20.

Mostly sunny. Highs in the mid 30s.

Mostly cloudy. Near steady temperature around 30.

Partly sunny. Highs in the lower 40s.

Mostly cloudy. Lows in the mid 20s.

Partly sunny. Highs in the lower 30s.

Partly cloudy. Lows around 20.

Mostly sunny. Highs in the lower 30s.

Partly cloudy. Lows around 20.

Mostly sunny. Highs in the upper 20s.

Partly cloudy. Low temperature around 17F. Dew point will be around 8F with an average humidity of 60%. Winds will be 7 mph from the NW.

Sunny. High temperature around 28F. Dew point will be around 9F with an average humidity of 54%. Winds will be 4 mph from the W.

Mostly cloudy. Low temperature around 25F. Dew point will be around 15F with an average humidity of 64%. Winds will be 4 mph from the W.

Partly cloudy. High temperature around 34F. Dew point will be around 19F with an average humidity of 63%. Winds will be 4 mph from the W.

Partly cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 28F. Dew point will be around 22F with an average humidity of 73%. Winds will be 2 mph from the W.