Port Jefferson, NY Weather Forecast
Marine Forecast: Long Island Sound West of New Haven
Port Jefferson, New York
Lat: 40.95N, Lon: 73.06W
Fair
Temp: 74°F
- Humidity:
- 90%
- Winds:
- 12 MPH NNE
- Gusts:
- N/A MPH
- Barometer:
- 29.8 in.
- Dewpoint:
- 71°F
- Heat index:
- 74°F
- Sunrise:
- 6:02 AM EDT
- Sunset:
- 7:46 PM EDT
- Moonrise:
- 11:33 AM EDT
- Moonset:
- 9:59 PM EDT
| This Afternoon...Mostly cloudy. Near steady temperature in the mid 70s. North winds 5 to 10 mph. |
| Tonight...Mostly cloudy. Patchy fog after midnight. Humid with lows around 70. North winds 5 to 10 mph. |
| Tuesday...Patchy fog in the morning. Mostly sunny. Humid with highs in the mid 80s. Northwest winds around 5 mph. |
| Tuesday Night...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the upper 60s. Northwest winds around 5 mph. |
| Wednesday...Sunny. Highs in the mid 80s. Northwest winds around 5 mph, becoming southwest in the afternoon. |
| Wednesday Night...Partly cloudy. Lows around 70. |
| Thursday...Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent. |
| Thursday Night...Mostly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent. |
| Friday...Partly sunny with a 50 percent chance of showers. Highs in the lower 80s. |
| Friday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the mid 60s. |
| Saturday...Partly sunny with a 40 percent chance of showers. Highs in the upper 70s. |
| Saturday Night...Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 60 percent. |
| Sunday...Mostly cloudy with showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Highs around 80. Chance of rain 60 percent. |
| Sunday Night...Mostly cloudy with a chance of showers in the evening, then partly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent. |
| Monday...Mostly sunny. Highs in the lower 80s. |
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