Port Jefferson, NY Weather Forecast
Marine Forecast: Long Island Sound West of New Haven
Port Jefferson, New York
Lat: 40.95N, Lon: 73.06W
Partly Cloudy
Temp: 83°F
- Humidity:
- 82%
- Winds:
- 6 MPH SW
- Gusts:
- N/A MPH
- Barometer:
- 29.8 in.
- Dewpoint:
- 77°F
- Heat index:
- 92°F
- Sunrise:
- 5:36 AM EDT
- Sunset:
- 8:18 PM EDT
- Moonrise:
- 10:44 PM EDT
- Moonset:
- 8:59 AM EDT
| Tonight...Partly cloudy. Lows around 80. West winds 5 to 10 mph. |
| Sunday...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values up to 107. |
| Sunday Night...Partly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the mid 70s. West winds 5 to 10 mph, becoming north after midnight. Chance of rain 20 percent. |
| Monday...Partly sunny with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Northeast winds around 5 mph, becoming southeast in the afternoon. Chance of rain 70 percent. |
| Monday Night...Showers with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph, becoming northwest after midnight. Chance of rain 80 percent. |
| Tuesday...Mostly cloudy. Showers likely, mainly in the morning. Highs in the upper 70s. Chance of rain 70 percent. |
| Tuesday Night...Mostly cloudy. Lows in the upper 60s. |
| Wednesday...Mostly sunny. Highs in the lower 80s. |
| Wednesday Night...Partly cloudy in the evening, then clearing. Lows in the upper 60s. |
| Thursday...Sunny. Highs in the lower 80s. |
| Thursday Night...Partly cloudy. Lows in the upper 60s. |
| Friday...Sunny. Highs in the mid 80s. |
| Friday Night...Mostly clear. Lows around 70. |
| Saturday...Sunny. Highs in the mid 80s. |
New York Radar
Northeast Radar