Port Jefferson, NY Weather Forecast
Marine Forecast: Long Island Sound West of New Haven
Port Jefferson, New York
Lat: 40.95N, Lon: 73.06W
Clear
Temp: 63°F
- Humidity:
- 93%
- Winds:
- N/A
- Gusts:
- N/A MPH
- Barometer:
- 30.13 in.
- Dewpoint:
- 61°F
- Heat index:
- 63°F
- Sunrise:
- 5:50 AM EDT
- Sunset:
- 8:02 PM EDT
- Moonrise:
- 11:17 PM EDT
- Moonset:
- 1:22 PM EDT
| Today...Mostly sunny. Highs in the mid 80s. West winds around 5 mph, becoming east this morning, then becoming south around 5 mph this afternoon. |
| Tonight...Mostly cloudy. A slight chance of showers after midnight. Humid with lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 20 percent. |
| Thursday...Partly sunny. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 102. |
| Thursday Night...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. |
| Friday...Sunny in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 104. |
| Friday Night...Mostly cloudy. A chance of showers in the evening. Lows in the lower 70s. Chance of rain 50 percent. |
| Saturday...Mostly sunny. Highs in the upper 80s. Heat index values in the upper 90s. |
| Saturday Night...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 70s. |
| Sunday...Sunny. Highs in the upper 80s. Heat index values in the upper 90s. |
| Sunday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. |
| Monday...Mostly sunny. Highs in the upper 80s. Heat index values in the mid 90s. |
| Monday Night...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the lower 70s. Chance of rain 30 percent. |
| Tuesday...Partly sunny. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. |