10-Day Weather Forecast - Port Jefferson, NY
- 27|25°F50% Chance of SnowHourly details
Today
27°FPartly sunny this morning then mostly cloudy with a chance of snow this afternoon. Highs in the lower 30s. North winds 10 to 15 mph becoming northeast 5 to 10 mph this afternoon. Chance of snow 50 percent.
Tonight
25°FSnow. Snow may be heavy at times in the evening. Total snow accumulation of 6 to 10 inches. Lows in the lower 20s. East winds 10 to 15 mph. Gusts up to 25 mph after midnight. Chance of snow near 100 percent.
Weekend Weather
- 31|23°F40% Chance of SnowHourly details
Day
31°FCloudy with a chance of snow in the morning then partly sunny in the afternoon. Highs in the lower 30s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 40 percent.
Night
23°FPartly cloudy. Lows in the lower 20s. North winds 5 to 10 mph.
- 33|30°F30% Chance Freezing RainHourly details
Day
33°FPartly sunny in the morning then mostly cloudy with a chance of rain with a slight chance of freezing rain in the afternoon. Highs around 40. West winds 5 to 10 mph. Chance of precipitation 30 percent.
Night
30°FRain. Lows in the lower 30s. Chance of rain 90 percent.
- 49|28°FRainHourly details
Day
49°FRain. Highs in the upper 40s. Chance of rain 90 percent.
Night
28°FMostly cloudy in the evening then becoming partly cloudy. Windy with lows in the mid 20s.
- 31|28°FWindyHourly details
Day
31°FPartly sunny and windy cooler with highs in the lower 30s.
Night
28°FPartly cloudy in the evening then becoming mostly cloudy. Blustery with lows in the mid 20s.
- 35|27°FPartly SunnyHourly details
Day
35°FPartly sunny. Highs in the mid 30s.
Night
27°FMostly cloudy. Lows in the lower 20s.
- 26|23°FPartly Sunny
Day
26°FPartly sunny. Highs around 30.
Night
23°FClear. Low temperature around 23F. Dew point will be around 11F with an average humidity of 57%. Winds will be 15 mph from the W.
- 27|23°FSunny
Day
27°FSunny. High temperature around 27F. Dew point will be around 11F with an average humidity of 55%. Winds will be 13 mph from the W.
Night
23°FClear. Low temperature around 23F. Dew point will be around 11F with an average humidity of 58%. Winds will be 11 mph from the NW.
Weekend Weather
- 30|28°FMostly Sunny
Day
30°FMostly sunny. High temperature around 30F. Dew point will be around 14F with an average humidity of 57%. Winds will be 6 mph from the W.
Night
28°FMostly cloudy. Low temperature around 28F. Dew point will be around 19F with an average humidity of 65%. Winds will be 4 mph from the W.
- 35|33°F40% Chance Frozen Mix
Day
35°FCloudy with a chance of rain-snow mix. Chance of precipitation 40%. High temperature around 35F. Dew point will be around 24F with an average humidity of 68%. Winds will be 3 mph from the W.
Night
33°FCloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 33F. Dew point will be around 26F with an average humidity of 72%. Winds will be 4 mph from the W.
