10-Day Weather Forecast - Port Jefferson Station, NY

Mostly sunny. Highs in the mid 30s. East winds around 5 mph becoming southeast in the afternoon.

Mostly cloudy. A chance of snow in the evening then a chance of rain and snow after midnight. Lows in the upper 20s. East winds around 5 mph becoming north after midnight. Chance of precipitation 40 percent.

Mostly cloudy with a slight chance of rain in the morning then partly sunny in the afternoon. Highs in the lower 40s. West winds 5 to 10 mph. Chance of rain 20 percent.

Mostly cloudy in the evening then clearing. Lows in the upper 20s. West winds 5 to 10 mph.

Mostly sunny in the morning then becoming mostly cloudy. Highs in the lower 40s.

Mostly cloudy. Lows in the mid 20s.

Sunny. Highs in the mid 30s.

Mostly clear. Lows around 20.

Mostly sunny in the morning then becoming mostly cloudy. Highs in the upper 30s.

Mostly cloudy. A chance of rain in the evening. Lows around 30. Chance of rain 30 percent.

Mostly cloudy. Highs in the mid 40s.

Mostly cloudy with a 50 percent chance of rain. Lows in the lower 30s.

Mostly cloudy with a 50 percent chance of rain. Highs in the mid 40s.

Mostly clear with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 29F. Dew point will be around 23F with an average humidity of 72%. Winds will be 8 mph from the W.

Sunny with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 36F. Dew point will be around 23F with an average humidity of 67%. Winds will be 10 mph from the W.

Clear. Low temperature around 26F. Dew point will be around 18F with an average humidity of 65%. Winds will be 10 mph from the W.

Sunny. High temperature around 34F. Dew point will be around 20F with an average humidity of 63%. Winds will be 9 mph from the W.

Clear. Low temperature around 27F. Dew point will be around 18F with an average humidity of 66%. Winds will be 9 mph from the W.