Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
Big heat is coming to the Northeast, so are more downpours Chevron right
North Central states face daily bouts of severe weather. Click here for more details Chevron right

Islip, NY

63°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Islip

New York

63°
No results found.
Try searching for a city, zip code or point of interest.
settings
Islip, NY Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities

June 15 - July 29

Sun 6/15

63° /59°
75%
Cloudy and cool; a shower in spots late this morning followed by areas of drizzle this afternoon

RealFeel®66°

RealFeel Shade™63°

Max UV Index2 (Low)

WindE 8 mph

Mon 6/16

67° /61°
24%
Cloudy

RealFeel®67°

RealFeel Shade™64°

Max UV Index3 (Moderate)

WindENE 10 mph

Tue 6/17

72° /64°
25%
Considerable cloudiness

RealFeel®74°

RealFeel Shade™70°

Max UV Index4 (Moderate)

WindESE 8 mph

Wed 6/18

74° /67°
43%
A thunderstorm in spots in the morning; otherwise, humid with clouds giving way to some sun

RealFeel®82°

RealFeel Shade™75°

Max UV Index10 (Very High)

WindSSW 6 mph

Thu 6/19

82° /69°
44%
Mostly sunny, humid and warmer; an afternoon thunderstorm in spots

RealFeel®90°

RealFeel Shade™83°

Max UV Index11 (Extreme)

WindSSW 9 mph

Fri 6/20

84° /63°
3%
Mostly sunny and less humid

RealFeel®83°

RealFeel Shade™75°

Max UV Index11 (Extreme)

WindNW 9 mph

Sat 6/21

79° /65°
3%
Sunshine and humid

RealFeel®87°

RealFeel Shade™77°

Max UV Index11 (Extreme)

WindSSW 6 mph

Sun 6/22

80° /69°
55%
Humid with variable cloudiness; a thunderstorm in the afternoon

RealFeel®87°

RealFeel Shade™85°

Max UV Index11 (Extreme)

WindSW 7 mph

Mon 6/23

85° /70°
2%
Partly sunny and humid

RealFeel®92°

RealFeel Shade™85°

Max UV Index11 (Extreme)

WindSE 5 mph

Tue 6/24

88° /74°
2%
Partly sunny, very warm and humid

RealFeel®93°

RealFeel Shade™88°

Max UV Index11 (Extreme)

WindSSW 12 mph

Wed 6/25

81° /68°
55%
Mostly cloudy and humid; a thunderstorm in spots in the morning followed by a little rain in the afternoon

RealFeel®88°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindNW 10 mph

Thu 6/26

79° /64°
0%
Humid with plenty of sun

RealFeel®88°

RealFeel Shade™80°

Max UV Index11 (Extreme)

WindNW 8 mph

Fri 6/27

77° /66°
1%
Sun followed by clouds

RealFeel®79°

RealFeel Shade™74°

Max UV Index9 (Very High)

WindSW 10 mph

Sat 6/28

82° /64°
55%
Rather cloudy with a bit of rain in the afternoon

RealFeel®82°

RealFeel Shade™80°

Max UV Index4 (Moderate)

WindSSW 7 mph

Sun 6/29

76° /67°
25%
Turning cloudy and humid

RealFeel®83°

RealFeel Shade™80°

Max UV Index7 (High)

WindSW 5 mph

Mon 6/30

79° /67°
64%
A couple of morning showers and a thunderstorm; otherwise, humid with times of clouds and sun

RealFeel®86°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindWNW 13 mph

Tue 7/1

76° /65°
20%
Mostly sunny and less humid

RealFeel®85°

RealFeel Shade™74°

Max UV Index11 (Extreme)

WindSSW 4 mph

Wed 7/2

78° /69°
25%
Mostly cloudy and humid

RealFeel®81°

RealFeel Shade™81°

Max UV Index5 (Moderate)

WindWSW 13 mph

Thu 7/3

82° /67°
20%
Mostly sunny and humid

RealFeel®88°

RealFeel Shade™82°

Max UV Index11 (Extreme)

WindNNE 8 mph

Fri 7/4

78° /68°
25%
Humid with intervals of clouds and sun

RealFeel®85°

RealFeel Shade™78°

Max UV Index5 (Moderate)

WindSE 4 mph

Sat 7/5

80° /70°
25%
Turning cloudy and humid

RealFeel®83°

RealFeel Shade™81°

Max UV Index7 (High)

WindSSW 13 mph

Sun 7/6

82° /70°
61%
A couple of morning showers and a thunderstorm; otherwise, humid with intervals of clouds and sunshine

RealFeel®92°

RealFeel Shade™87°

Max UV Index6 (High)

WindSW 7 mph

Mon 7/7

82° /69°
25%
Mostly cloudy and humid

RealFeel®88°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindS 8 mph

Tue 7/8

81° /70°
25%
Humid with intervals of clouds and sunshine

RealFeel®87°

RealFeel Shade™84°

Max UV Index5 (Moderate)

WindSSW 10 mph

Wed 7/9

82° /66°
55%
Cloudy and humid with a thunderstorm

RealFeel®88°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindNW 7 mph

Thu 7/10

76° /64°
5%
Less humid with plenty of sunshine

RealFeel®83°

RealFeel Shade™74°

Max UV Index10 (Very High)

WindNE 5 mph

Fri 7/11

77° /65°
20%
Plenty of sunshine

RealFeel®85°

RealFeel Shade™74°

Max UV Index10 (Very High)

WindS 6 mph

Sat 7/12

78° /69°
25%
Clouds limiting sunshine

RealFeel®78°

RealFeel Shade™77°

Max UV Index5 (Moderate)

WindS 9 mph

Sun 7/13

80° /71°
25%
Turning cloudy and humid

RealFeel®84°

RealFeel Shade™84°

Max UV Index5 (Moderate)

WindSSW 14 mph

Mon 7/14

83° /70°
5%
Humid with plenty of sunshine

RealFeel®92°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindNW 6 mph

Tue 7/15

82° /69°
5%
Humid with plenty of sunshine

RealFeel®92°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindSSW 2 mph

Wed 7/16

83° /70°
65%
A couple of morning showers and a thunderstorm; otherwise, clouds to start, then sunshine returns and humid

RealFeel®90°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSW 14 mph

Thu 7/17

83° /67°
10%
Mostly sunny and less humid

RealFeel®85°

RealFeel Shade™80°

Max UV Index10 (Very High)

WindNW 10 mph

Fri 7/18

78° /65°
20%
Mostly sunny

RealFeel®83°

RealFeel Shade™75°

Max UV Index10 (Very High)

WindNW 8 mph

Sat 7/19

77° /65°
20%
Sunny to partly cloudy

RealFeel®87°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindS 5 mph

Sun 7/20

78° /71°
65%
Cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®82°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindS 9 mph

Mon 7/21

78° /71°
65%
Humid with times of clouds and sun; a couple of afternoon showers and a thunderstorm

RealFeel®86°

RealFeel Shade™82°

Max UV Index6 (High)

WindSE 8 mph

Tue 7/22

79° /70°
55%
Humid with sun and clouds; a thundershower in the afternoon

RealFeel®88°

RealFeel Shade™84°

Max UV Index5 (Moderate)

WindW 2 mph

Wed 7/23

79° /71°
25%
Turning cloudy and humid

RealFeel®88°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindSE 6 mph

Thu 7/24

80° /71°
25%
Cloudy and humid

RealFeel®85°

RealFeel Shade™83°

Max UV Index3 (Moderate)

WindW 6 mph

Fri 7/25

80° /69°
25%
Mostly cloudy and humid

RealFeel®87°

RealFeel Shade™79°

Max UV Index6 (High)

WindW 4 mph

Sat 7/26

81° /69°
25%
Mostly cloudy and humid

RealFeel®86°

RealFeel Shade™84°

Max UV Index4 (Moderate)

WindNNE 4 mph

Sun 7/27

81° /71°
25%
Mainly cloudy and humid

RealFeel®89°

RealFeel Shade™85°

Max UV Index7 (High)

WindE 4 mph

Mon 7/28

82° /66°
3%
Mostly sunny and less humid

RealFeel®83°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindW 12 mph

Tue 7/29

79° /65°
0%
Sunny

RealFeel®87°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindNW 5 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

How the Air India plane came crashing to earth

2 days ago

Severe Weather

North-central US faces daily bouts of severe weather

36 minutes ago

Weather Forecasts

More stormy downpours for northeast US, but big heat is on horizon

3 hours ago

Weather Forecasts

Denver to hit 100 as heat surges to new heights in central US

52 minutes ago

Weather News

At least 8 dead in San Antonio after months of rain fell in hours

1 day ago

More Stories

Featured Stories

Climate

If crucial ocean currents collapses, weather impact would be extreme

4 days ago

Weather News

No injuries after JetBlue plane rolls onto grass after landing

2 days ago

Astronomy

Accidental find in planetarium could shift understanding of solar syst...

4 days ago

Climate

New Zealand sued over ‘inadequate’ plan to reduce emissions

4 days ago

Weather News

New images reveal treasures aboard ‘holy grail’ shipwreck

3 days ago

World North America United States New York Islip

Weather Near Islip:

  • Bridgeport, CT
  • New York, NY
  • Newark, NJ
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information

...

...

...