10-Day Weather Forecast - Port Jefferson, NY
- |63°F
ThunderstormsHourly detailsTonight
63°FMostly cloudy with a 100% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 63F with an average humidity of 96%. Winds will be 11 mph from the E.
- 70|65°F
50% Chance Rain ShowersHourly detailsDay
70°FMostly cloudy with a 50 percent chance of showers. Highs in the lower 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Night
65°F
Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 60s. North winds 10 to 15 mph. Chance of rain 20 percent.
- 80|69°F
SunnyHourly detailsDay
80°FSunny. Highs in the upper 70s. Northeast winds 5 to 10 mph.
Night
69°F
Mostly clear in the evening then becoming partly cloudy. Lows in the upper 60s. Southwest winds around 5 mph.
- 83|71°F
Partly SunnyHourly detailsDay
83°FPartly sunny. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Night
71°FMostly cloudy. A chance of showers and thunderstorms in the evening then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 50 percent.
- 85|71°F
50% Chance of StormsHourly detailsDay
85°FPartly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105.
Night
71°FMostly cloudy. A chance of showers and thunderstorms in the evening then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 50 percent.
Weekend Weather
- 82|69°F
Mostly SunnyHourly detailsDay
82°FMostly sunny. Highs in the upper 80s.
Night
69°FPartly cloudy. Lows in the upper 60s.
- 83|68°FMostly SunnyHourly details
Day
83°FMostly sunny. Highs in the upper 80s.
Night
68°F
Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent.
- 80|69°F30% Chance Rain Showers
Day
80°FPartly sunny. A chance of showers in the morning. Highs in the upper 80s. Chance of rain 30 percent. Heat index values in the mid 90s.
Night
69°F
Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 69F. Dew point will be around 66F with an average humidity of 82%. Winds will be 4 mph from the SW.
- 83|71°FSunny
Day
83°FSunny. High temperature around 83F. Dew point will be around 68F with an average humidity of 70%. Winds will be 5 mph from the W.
Night
71°FClear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 71F. Dew point will be around 66F with an average humidity of 78%. Winds will be 4 mph from the SW.
- 82|70°F30% Chance of Storms
Day
82°FPartly cloudy with a 55% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 69F with an average humidity of 73%. Winds will be 5 mph from the W.
Night
70°FMostly clear with a 55% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 67F with an average humidity of 81%. Winds will be 3 mph from the W.
