See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
13°
Clear
Feels Like: 15°
Min: 13°
Max: 24°
The next few hours will be clear, with today reaching 24°C and dropping to 19°C. The coming days will be mostly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:40
Sunrise
18:53
Sunset
Moon
Waxing Crescent
12:33
Moonrise
20:57
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Central Islip.
Resources
UV Index
Humidity
Weather in Central Islip today, September 16, 2026
Expect a muted, overcast feel in Central Islip on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Expect a grey start, with morning cloud around 92% by 10:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 13°C toward a daytime high of about 24°C. Relative humidity sits between 56% and 94%, reaching its peak around 07:00. Airflow remains manageable, reaching about 4.9 km/h around 14:00.
Afternoon skies stay clogged, peaking close to 100% near 16:00. The grey theme continues rather than clearing out. Visibility holds near 15.9 km, though it can fall to 14.4 km. The sun rises at 06:40 and sets at 18:53, for a total of 12 hours 12 minutes of sunlight today.
Overall, Central Islip on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 24°C.
Frequently asked questions about weather in Central Islip
How warm does it get in Central Islip?
The warmest month in Central Islip is July, with average high temperatures of 26°C. The average temperature during this period is around 24°C.
How cold does it get in Central Islip?
The coldest month in Central Islip is January, with average low temperatures of 0°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Central Islip?
The wettest month in Central Islip is December, with an average of 133mm of precipitation.
What is the driest time of year in Central Islip?
The driest month in Central Islip is June, with an average of 74mm of precipitation.
Explore more weather forecasts
- Brentwood, New York
- New York City, New York
- Hauppauge, New York
- Los Angeles, California
- Ronkonkoma, New York
- Brooklyn, New York
- North Bay Shore, New York
- Chicago, Illinois
- East Islip, New York
- Houston, Texas
- Islip, New York
- Queens, New York
- Smithtown, New York
- Phoenix, Arizona
- Bohemia, New York
- Philadelphia, Pennsylvania
