Port Jefferson, NY Weather Forecast
Marine Forecast: Long Island Sound West of New Haven
Port Jefferson, New York
Lat: 40.95N, Lon: 73.06W
Mostly Clear
Temp: 27°F
- Humidity:
- 52%
- Winds:
- 12 MPH N
- Gusts:
- 23 MPH
- Barometer:
- 30.26 in.
- Dewpoint:
- 12°F
- Heat index:
- 27°F
- Sunrise:
- 6:59 AM EST
- Sunset:
- 4:23 PM EST
- Moonrise:
- 4:50 PM EST
- Moonset:
- 8:07 AM EST
| Tonight...Mostly clear. Lows around 16. North winds 15 to 20 mph with gusts up to 35 mph. |
| Friday...Mostly sunny. Highs in the mid 30s. East winds around 5 mph, becoming southeast in the afternoon. |
| Friday Night...Mostly cloudy. A chance of snow in the evening, then a chance of rain and snow after midnight. Lows in the upper 20s. East winds around 5 mph, becoming north after midnight. Chance of precipitation 40 percent. |
| Saturday...Mostly cloudy with a slight chance of rain in the morning, then partly sunny in the afternoon. Highs in the lower 40s. West winds 5 to 10 mph. Chance of rain 20 percent. |
| Saturday Night...Mostly cloudy in the evening, then clearing. Lows in the upper 20s. West winds 5 to 10 mph. |
| Sunday...Mostly sunny in the morning, then becoming mostly cloudy. Highs in the lower 40s. |
| Sunday Night...Mostly cloudy. Lows in the mid 20s. |
| Monday...Sunny. Highs in the mid 30s. |
| Monday Night...Mostly clear. Lows around 20. |
| Tuesday...Mostly sunny in the morning, then becoming mostly cloudy. Highs in the upper 30s. |
| Tuesday Night...Mostly cloudy. A chance of rain in the evening. Lows around 30. Chance of rain 30 percent. |
| Wednesday...Mostly cloudy. Highs in the mid 40s. |
| Wednesday Night...Mostly cloudy with a 50 percent chance of rain. Lows in the lower 30s. |
| Thursday...Mostly cloudy with a 50 percent chance of rain. Highs in the mid 40s. |