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: 40°F
- Humidity:
- 40%
- Winds:
- 7 MPH WNW
- Gusts:
- N/A MPH
- Barometer:
- 30.18 in.
- Dewpoint:
- 18°F
- Heat index:
- 40°F
- Sunrise:
- 6:34 AM EST
- Sunset:
- 5:35 PM EST
- Moonrise:
- 3:46 PM EST
- Moonset:
- 5:53 AM EST
| Tonight...Clear this evening, then becoming partly cloudy. Lows in the mid 20s. Northwest winds 5 to 10 mph. |
| Friday...Sunny. Highs around 40. Northwest winds around 5 mph, becoming southwest in the afternoon. |
| Friday Night...Partly cloudy in the evening, then mostly cloudy with rain likely after midnight. Lows in the lower 30s. Southeast winds around 5 mph. Chance of rain 70 percent. |
| Saturday...Rain. Highs in the upper 40s. Southeast winds 10 to 15 mph, becoming south in the afternoon. Chance of rain 80 percent. |
| Saturday Night...Mostly cloudy. Lows in the upper 30s. West winds 5 to 10 mph. Gusts up to 20 mph in the evening. |
| Sunday...Mostly cloudy. Rain likely in the afternoon. Highs in the mid 40s. Chance of rain 70 percent. |
| Sunday Night...Cloudy with a 40 percent chance of rain. Lows in the upper 30s. |
| Monday...Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 40s. |
| Monday Night...Partly cloudy in the evening, then clearing. A chance of flurries. Lows in the mid 20s. |
| Tuesday...Sunny. Highs in the upper 30s. |
| Tuesday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. |
| Wednesday...Partly sunny with a 30 percent chance of rain. Highs in the lower 40s. |
| Wednesday Night...Mostly cloudy with a 30 percent chance of rain. Lows in the upper 30s. |
| Thursday...Partly sunny with a 30 percent chance of rain. Highs in the mid 40s. |
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