Islip, NY Weather Forecast & Conditions

Good MorningCurrently Mostly Cloudy

Islip, NY

Islip Weather StationCHANGE

22°Mostly Cloudy29°/27°

HOURLY

Today9 AM24° 0%N 11mph

10 AM26° 0%N 11mph

11 AM26° 0%NNE 10mph

12 PM28° 1%NNE 8mph

1 PM28° 1%NNE 7mph

2 PM29° 1%NE 7mph

3 PM29° 2%NE 5mph

4 PM29° 6%E 4mph

5 PM28° 58%E 4mph

6 PM28° 76%E 5mph

7 PM28° 96%E 6mph

8 PM28° 100%E 6mph

MORE

RIGHT NOW

Feels like9°

SUNRISE7:15 AM

SUNSET4:31 PM

Humidity:42%

Wind:N 15 mph

UV index:0

Barometer:30.13

7 DAY FORECAST

Friday

29°/27°

PM Snow 75%

Saturday

32°/20°

AM Light Snow 39%

Sunday

36°/33°

Mostly Cloudy 10%

Monday

50°/27°

Showers 72%

Tuesday

33°/26°

Mostly Cloudy/Wind 1%

Wednesday

36°/23°

Partly Cloudy 1%

Thursday

30°/20°

Partly Cloudy 9%

Islip, NY Weather Forecast & Conditions

Up to 9 inches of snow possible Friday into Saturday

The snow starting Friday afternoon is forecast to be heaviest in Nassau and west of Riverhead in Suffolk.

Snow headed for LI

Rain-soaked California still at risk of floods and high surf

New storm hitting waterlogged Southern California could bring mudslides and high surf

Christmas Day rescue: Police save LI boy, 8, from icy pond

Powerful holiday storm lashes Southern California and brings flash floods, mudslides

California drivers warned to reconsider Christmas travel plans ahead of storms

LI could see accumulating snowfall later this week

Nor'easter's first signs could appear Saturday night, with Sunday into Monday worst impact

Strong rain, wind forecast for weekend

Wintry mix impacting LI travel

Wintry mix will make for messy Tuesday commute

Dry Monday set to give way to messy Tuesday

Flash flooding in northern California leads to soaked roads, water rescues and 1 death

What's an atmospheric river? AP explains the weather phenomenon

Solstice marks arrival of winter; mild forecast for Christmas

Dry, seasonably cool weekend in store as LI recovers from Friday storm

Storm causes headaches across LI

Sri Lanka tea workers struggle in poverty. Flooding cost many their lives

Forecasters issue rare weather warning as strong gusts fuel wildfire threats in Colorado

Warm weather and low snowpack bedevil Western ski resorts

Hypothermia claims newborn in Gaza and more babies are at risk, doctor says

Strong winds, rain to hit LI early Friday

Hurricane-force wind downs power lines, fans wildfires in Colorado with more on way

Heavy rain, winds forecast for Thursday and into Friday

College Football Playoff picks: Sooners, Aggies, Rebels and Ducks should advance to quarterfinals

Trump administration moves to dissolve national climate research lab in Colorado

How to protect your pipes, pets and yourself when temps turn frigid

Damage from record flooding in Washington state is profound, with more on the way, governor says

2 people and a dog rescued from frigid waters off Shelter Island

Gaza families struggle to recover from days of torrential rains that killed 12 people

Manhasset road to be stabilized 13 years after Superstorm Sandy damage

Bitter cold sticks around on LI before midweek warmup

Crews use sandbags to shore up levee breach near Seattle after failure prompts flood warning

See photos from LI's first snowstorm of the season

Weekend storm drops heavy snow around Northeast as Pacific Northwest braces for more rain

Arctic air mass pushes to the U.S. South; Midwest also bracing for dangerous wind chills

LI could get up to 5 inches of snow this weekend

Rain changing into snow

Too soon for snow? Forecaster says this weekend's snowfall won't even 'crack the Top 20 in terms of early'

Historic rains and flooding trigger dramatic rescues in Washington state

Record floods in Washington state trigger dramatic rescues and evacuations

Follow these tips to prepare and stay safe for LI snowstorms

Tens of thousands ordered to flee flooding after torrential rain in Pacific Northwest

Wind advisory issued for LI: Up to 50 mph gusts through Friday morning

A winter storm chills Gaza and floods tent camps, exposing aid failures

Record flooding threatens Washington as more heavy rain pounds the Northwest

Blend of unusual weather conditions brings trillions of gallons in persistent rain to the Northwest

Ocean warmed by climate change fed intense rainfall and deadly floods in Asia, study finds

Forecast: Warmer Wednesday brings evening rain, then mercury drops

First rain of autumn falls in Iran's capital, but the drought-ravaged nation needs far more

Storms bring heavy rain to the Pacific Northwest, snow and freezing rain to the Upper Midwest

Cold, dry start to week on LI

Climate change threatens Asia's water and power systems, reports warn

LI weather: Rainy morning, then dry with temps in the low 40s

Chance of freezing drizzle on LI Friday evening

Cold start with wintry mix to end the day

Asia flood death toll surpasses 1,500 as calls grow to fight deforestation

Don't forget pets when preparing for winter's cold. Here's what experts recommend

Temps dropping 15-20 degrees below normal, then slight chance of snow

LIE reopens in Medford as road conditions improve on LI

Deadly Asian floods are no fluke. They're a climate warning, scientists say

Winter's first big snowstorm hits the Northeast as schools close and traffic slows

Rain moving through the area, with cold front on its heels

Rain moving into the area

LI forecast: A day of rain Tuesday but probably no snow

Heavy snow predicted for Northeast as Midwest still struggles with Thanksgiving weather snarls

Over 800 people are still missing after flooding in Indonesia, Sri Lanka and Thailand

Post-Thanksgiving travelers in Chicago see hundreds of flights canceled and delayed after snowstorm

Winter storms bring snow, freezing rain and cold as Thanksgiving travelers journey home

Death toll from floods and mudslides in Sri Lanka rises to 132, with 176 people still missing

Winter storm warnings stretch across the northern US, bringing snow, cold and risky conditions

LI weather forecast: Cold, windy through Saturday, then a warmer, wet Sunday

Long Islanders' Favorites

Catch up with the most-read Newsday stories of 2025

From brush fires and gift cards to dangerous roads and restaurant closings, take a look at 10 of the most-read Newsday stories in 2025.

What to expect on Long Island in 2026

Newsday Investigates$200G earners rise 51% in LI towns and cities as police salaries grow

President Donald Trump's impact on Long Island

Top Stories

Death toll from floods and landslides on Indonesia's Sumatra island rises to 164

Sri Lanka closes offices and schools as death toll from landslides and floods rises to 56

Lake effect snow piles up in Great Lakes region, impacting Thanksgiving travel

Indonesia intensifies search for victims after floods and landslides kill 69 people

Heavy rains trigger landslides and floods in Sri Lanka, leaving more than 40 dead

A welcome form of inflation: Balloons take shape for Macy's Thanksgiving Day Parade

Stay logged in.

The Newsday app makes it easier to access content without having to log in.