Port Jefferson, NY

Current conditions, hourly and 7-day forecast, and live radar for Port Jefferson, NY 11777. Right now: mostly cloudy then slight chance rain showers, 72°F. Data from the National Weather Service.

• Tonight: A slight chance of rain showers after 5am. Mostly cloudy, with a low around 72. Southwest wind 16 to 21 mph. Chance of precipitation is 20%.
• Thursday: A slight chance of rain showers before 8am. Mostly sunny. High near 85, with temperatures falling to around 82 in the afternoon. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
• Thursday Night: Mostly cloudy, with a low around 66. Northwest wind 6 to 9 mph.
• Friday: Sunny. High near 76, with temperatures falling to around 74 in the afternoon. Northwest wind 5 to 8 mph.
• Friday Night: Mostly clear, with a low around 62. North wind around 5 mph.
• Saturday: Mostly sunny. High near 75, with temperatures falling to around 73 in the afternoon.