Change

Live across America

Islip, New York 11751 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Islip, New York 11751. Always follow local warnings and emergency instructions.

Save
Weather guidance for your areaPlan with the complete forecast

Use current official weather information for Islip, New York 11751 before making weather-sensitive plans.

Safety guides

Weather status

No active NWS alerts found for Islip, New York 11751

Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.

Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes

Live Doppler radar

Animated Multi-Radar/Multi-Sensor reflectivity from the National Weather Service’s network of Doppler radars. Search a U.S. city, ZIP code, or street address to center the map on local weather, then zoom to neighborhood street detail.

Open full NWS Doppler radar ↗
Live radar is ready when you need it.

The interactive map stays off until opened to keep forecasts fast.

After loading, MyUSA.us shows the exact Doppler frame time, refresh controls, and an official NWS fallback if the map is unavailable.

Doppler radar and warnings: NOAA/National Weather Service · Map: OpenFreeMap, OpenMapTiles and OpenStreetMap contributors. Radar can be delayed briefly during service updates.

MyUSA.us is not affiliated with or endorsed by NOAA or the National Weather Service. For life-threatening weather, follow official NWS alerts and local authorities.

What’s next

Hourly forecast

Islip, New York 11751

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Islip, New York 11751. Forecasts and alerts update from NOAA and the National Weather Service.

78°Sunny7% rain
77°Mostly Clear7% rain
76°Mostly Clear7% rain
74°Mostly Clear7% rain
72°Mostly Clear7% rain
71°Mostly Clear0% rain
70°Mostly Clear0% rain
69°Mostly Clear0% rain

Next 24 hours

Rain Timeline

Highest chance 7%

No meaningful precipitation is expected in the official hourly forecast.

7%None
7%None
7%None
7%None
7%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
2%None
2%None
2%None
4%None
4%None
4%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

79°64°

Sunny

Precipitation
7%
Wind
SW 12 mph
Sunrise
6:12 AM
Sunset
7:41 PM

Mon

80°62°

Sunny

Precipitation
4%
Wind
SW 5 to 12 mph
Sunrise
6:13 AM
Sunset
7:40 PM

Tue

80°63°

Sunny

Precipitation
4%
Wind
W 6 to 12 mph
Sunrise
6:14 AM
Sunset
7:38 PM

Wed

81°68°

Sunny

Precipitation
3%
Wind
W 5 to 8 mph
Sunrise
6:15 AM
Sunset
7:37 PM

Thu

81°69°

Slight Chance Rain Showers

Precipitation
61%
Wind
S 5 to 13 mph
Sunrise
6:16 AM
Sunset
7:35 PM

Fri

83°67°

Rain Showers Likely then Slight Chance Showers And Thunderstorms

Precipitation
61%
Wind
SW 5 to 9 mph
Sunrise
6:17 AM
Sunset
7:34 PM

Sat

82°65°

Mostly Sunny

Precipitation
5%
Wind
W 7 mph
Sunrise
6:18 AM
Sunset
7:32 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel79°F
Good conditions for walking

Conditions look reasonable, but stay alert for quick weather changes.

WindS14 mph
Best walk timeBetter weather window: 10 PM–12 AM

Walking: 0% average rain chance, near 71°F, with winds near 7 mph.

Official EPA AirNowLocal air qualityIslip, New York 11751
View AQI +
More weather details
Wind gusts20mph
Rain now7%next hour
Humidity70%current
UV indexCheckingEPA forecast

Wind impact: Noticeable breeze with generally minor outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gust20 mph
Pressure29.81 in
Visibility10.0 mi
Peak rain chance7%
Dew point68°F
Active alertsNone

Official risk outlooks

These national tools add expert storm, heavy-rain and flooding context to your local forecast.

Loading nearby traffic cameras…

Official tropical weather

Hurricane center

NOAA National Hurricane Center updates, outlooks, and storm resources in one place.