Weather World
Suffolk County, NY Official WebsiteSuffolk County, NY 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Suffolk County, NY Weather Forecast
Suffolk County, NY Weather Forecast Date: 239 AM EDT Wed Sep 30 2026
or toggle through each period.
Today... Mostly sunny. Highs in the upper 60s. Northwest winds around 5 mph, becoming west this afternoon.
Tonight... Mostly cloudy. Lows in the lower 60s. Southwest winds around 5 mph.
Thursday... Partly sunny. Highs in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Friday... Mostly sunny. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Friday Night... Mostly cloudy with a 30% chance of showers. Lows around 60.
Saturday... Partly sunny. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 30%.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s.
Sunday... Partly sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30%.
Sunday Night... Mostly cloudy with a 30% chance of showers. Lows in the mid 50s.
Monday... Mostly sunny. Highs in the mid 60s.
Monday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 40s.
POP = Probability of Precipitation
Suffolk County Radar Loop
Use the map search tool if you want to place a location marker on the radar map...