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 Cloudy
Temp: 75°F
- Humidity:
- 68%
- Winds:
- 3 MPH SE
- Gusts:
- N/A MPH
- Barometer:
- 29.91 in.
- Dewpoint:
- 64°F
- Heat index:
- 77°F
- Sunrise:
- 5:42 AM EDT
- Sunset:
- 8:12 PM EDT
- Moonrise:
- 11:07 PM EDT
- Moonset:
- 10:30 AM EDT
| Tonight...Mostly cloudy with a 30 percent chance of showers. Lows in the upper 60s. Northwest winds 5 to 10 mph. |
| Wednesday...Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. North winds 5 to 10 mph, becoming northeast in the afternoon. Chance of rain 20 percent. |
| Wednesday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. Southeast winds 5 to 10 mph. |
| Thursday...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. |
| Thursday Night...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 60s. South winds 5 to 10 mph, becoming west after midnight. Chance of rain 50 percent. |
| Friday...Mostly sunny. Highs in the lower 80s. |
| Friday Night...Mostly clear. Lows in the lower 60s. |
| Saturday...Sunny. Highs in the lower 80s. |
| Saturday Night...Mostly clear. Lows in the mid 60s. |
| Sunday...Mostly sunny. Highs in the lower 80s. |
| Sunday Night...Partly cloudy. Lows in the mid 60s. |
| Monday...Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. |
| Monday Night...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the mid 60s. Chance of rain 30 percent. |
| Tuesday...Mostly sunny. Highs around 80. |
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