Weather WorldSetauket, NY 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Setauket, NY Weather Forecast
Setauket, NY Weather Forecast Date: 535 AM EDT Wed Sep 09 2026
or toggle through each period.
Today... Partly cloudy. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 30 mph.
Tonight... Partly cloudy. A slight chance of showers after midnight. Lows in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20%.
Thursday... Partly sunny. A slight chance of showers in the morning. Humid with highs in the mid 80s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%.
Thursday Night... Mostly cloudy with a 30% chance of showers. Lows in the mid 60s. Northwest winds 5 to 10 mph.
Friday... Sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph.
Friday Night... Mostly clear. Lows in the lower 60s.
Saturday... Mostly sunny. Highs in the upper 70s.
Saturday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40%.
Sunday... Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 40%.
Sunday Night... Mostly cloudy. Lows in the mid 60s.
Monday... Mostly sunny. Highs around 80.
Monday Night... Partly cloudy. Lows in the mid 60s.
POP = Probability of Precipitation
Setauket Radar Loop
Use the map search tool if you want to place a location marker on the radar map...