10-Day Weather Forecast - Port Jefferson Station, NY

Sunny. Highs in the mid 40s. North winds 10 to 15 mph becoming west 5 to 10 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 mph.

Partly sunny. Highs around 50. Southwest winds 10 to 15 mph.

Mostly cloudy. Lows around 40.

Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 50s.

Mostly cloudy. Rain likely after midnight. Lows in the mid 40s. Chance of rain 60 percent.

Mostly cloudy with rain likely in the morning then partly sunny with a chance of rain in the afternoon. Highs in the lower 50s. Chance of rain 60 percent.

Partly cloudy in the evening then clearing. Cooler with lows in the upper 20s.

Sunny. Highs in the lower 40s.

Partly cloudy in the evening then becoming mostly clear. Lows around 30.

Sunny. Highs in the upper 40s.

Mostly clear. Low temperature around 31F. Dew point will be around 22F with an average humidity of 58%. Winds will be 4 mph from the SW.

Mostly sunny. High temperature around 48F. Dew point will be around 25F with an average humidity of 50%. Winds will be 5 mph from the SW.

Clear. Low temperature around 40F. Dew point will be around 31F with an average humidity of 67%. Winds will be 8 mph from the SW.

Cloudy. High temperature around 53F. Dew point will be around 40F with an average humidity of 71%. Winds will be 9 mph from the SW.

Partly cloudy. Low temperature around 45F. Dew point will be around 41F with an average humidity of 80%. Winds will be 4 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 56F. Dew point will be around 45F with an average humidity of 77%. Winds will be 4 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 43F. Dew point will be around 42F with an average humidity of 84%. Winds will be 2 mph from the S.