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: 37°F
- Humidity:
- 75%
- Winds:
- 12 MPH SW
- Gusts:
- N/A MPH
- Barometer:
- 30.03 in.
- Dewpoint:
- 30°F
- Heat index:
- 37°F
- Sunrise:
- 7:13 AM EST
- Sunset:
- 4:27 PM EST
- Moonrise:
- 10:45 AM EST
- Moonset:
- 10:11 PM EST
| Today...Mostly cloudy this morning, then becoming mostly sunny. Highs in the mid 40s. Southwest winds 10 to 15 mph, becoming northwest this afternoon. Gusts up to 25 mph. |
| Tonight...Partly cloudy in the evening, then becoming mostly clear. Lows around 20. North winds 15 to 20 mph. |
| Friday...Partly sunny in the morning, then cloudy with a chance of snow in the afternoon. Cooler with highs in the upper 20s. North winds 10 to 15 mph. Chance of snow 40 percent. |
| Friday Night...Snow. Snow May be heavy at Times in the evening. Moderate snow accumulation. Lows in the lower 20s. East winds 10 to 15 mph. Chance of snow 90 percent. |
| Saturday...Cloudy with a chance of snow in the morning, then partly sunny with a slight chance of snow in the afternoon. Highs in the lower 30s. Northeast winds 10 to 15 mph. Chance of snow 50 percent. |
| Saturday Night...Mostly cloudy. Lows in the lower 20s. |
| Sunday...Partly sunny in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the upper 30s. Chance of rain 40 percent. |
| Sunday Night...Rain. Lows around 30. Chance of rain 90 percent. |
| Monday...Rain, mainly in the morning. Breezy with highs in the upper 40s. Chance of rain 90 percent. |
| Monday Night...Partly cloudy and windy. Lows in the lower 20s. |
| Tuesday...Mostly sunny and blustery, cooler with highs in the lower 30s. |
| Tuesday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 20s. |
| Wednesday...Mostly sunny. Highs in the mid 30s. |
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