10-Day Weather Forecast - Port Jefferson Station, NY

Sunny cold with highs in the upper 20s. Northwest winds 10 to 15 mph. Wind chill values as low as 4 below in the morning.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 18. Northwest winds 5 to 10 mph.

Partly sunny in the morning then cloudy with a chance of snow and rain in the afternoon. Highs in the mid 30s. West winds around 5 mph becoming southwest around 5 mph in the afternoon. Chance of precipitation 30 percent.

Mostly cloudy with a chance of snow and rain in the evening then partly cloudy after midnight. Lows in the upper 20s. West winds 5 to 10 mph. Chance of precipitation 30 percent.

Mostly sunny. Highs in the mid 30s.

Partly cloudy. Lows in the lower 20s.

Mostly sunny. Highs in the lower 30s.

Partly cloudy. Lows around 20.

Mostly sunny. Highs in the lower 30s.

Partly cloudy. Lows around 20.

Sunny. Highs in the mid 30s.

Partly cloudy. Lows in the lower 20s.

Partly sunny. A chance of rain in the afternoon. Highs in the upper 30s. Chance of rain 30 percent.

Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 35F. Dew point will be around 27F with an average humidity of 70%. Winds will be 7 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 41F. Dew point will be around 27F with an average humidity of 61%. Winds will be 4 mph from the N.

Partly cloudy. Low temperature around 34F. Dew point will be around 24F with an average humidity of 64%. Winds will be 3 mph from the N.

Mostly sunny. High temperature around 42F. Dew point will be around 25F with an average humidity of 56%. Winds will be 3 mph from the SW.

Mostly cloudy. Low temperature around 38F. Dew point will be around 28F with an average humidity of 65%. Winds will be 7 mph from the SW.