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Boston, Philly hit 100, NYC breaks record from 1888 amid heat wave. Get the latest Chevron right
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Islip Terrace, NY

91°F
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Islip Terrace, NY Weather
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Winter Center
Today Hourly

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2
Heat Advisory

June 25 - August 8

Wed 6/25

93° /72°
40%
Sun mixing with clouds; record-breaking heat, humid, a t-storm around in the afternoon; storms can bring flooding downpours and localized damaging wind gusts
alerts

Heat Advisory

12:00 PM Monday - 7:00 PM Wednesday
alerts

Air Quality Alert

11:18 PM Tuesday - 11:00 PM Wednesday

RealFeel®104°

RealFeel Shade™101°

Max UV Index11 (Extreme)

WindWNW 7 mph

Thu 6/26

78° /65°
80%
Variable clouds with a thunderstorm in the area

RealFeel®78°

RealFeel Shade™75°

Max UV Index4 (Moderate)

WindENE 12 mph

Fri 6/27

70° /64°
55%
Mainly cloudy and cooler with a stray shower

RealFeel®70°

RealFeel Shade™66°

Max UV Index3 (Moderate)

WindE 12 mph

Sat 6/28

80° /69°
40%
Humid; considerable morning cloudiness, then intervals of clouds and sunshine in the afternoon with a thunderstorm in spots

RealFeel®87°

RealFeel Shade™81°

Max UV Index5 (Moderate)

WindESE 7 mph

Sun 6/29

83° /68°
25%
Humid with times of clouds and sun

RealFeel®90°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindENE 7 mph

Mon 6/30

79° /72°
21%
Partly sunny and humid

RealFeel®89°

RealFeel Shade™80°

Max UV Index11 (Extreme)

WindSE 7 mph

Tue 7/1

86° /71°
60%
Cloudy; very warm and humid with a thunderstorm or two

RealFeel®94°

RealFeel Shade™90°

Max UV Index4 (Moderate)

WindSSW 10 mph

Wed 7/2

85° /67°
1%
Humid with sun and clouds

RealFeel®92°

RealFeel Shade™86°

Max UV Index11 (Extreme)

WindWSW 7 mph

Thu 7/3

84° /66°
0%
Mostly sunny and less humid

RealFeel®86°

RealFeel Shade™81°

Max UV Index11 (Extreme)

WindW 8 mph

Fri 7/4

79° /66°
1%
Mostly sunny

RealFeel®86°

RealFeel Shade™77°

Max UV Index11 (Extreme)

WindW 5 mph

Sat 7/5

80° /67°
1%
Sun through high clouds and humid

RealFeel®88°

RealFeel Shade™84°

Max UV Index5 (Moderate)

WindSW 4 mph

Sun 7/6

79° /66°
75%
Humid with rain

RealFeel®79°

RealFeel Shade™79°

Max UV Index2 (Low)

WindSE 13 mph

Mon 7/7

79° /67°
16%
Low clouds and humid

RealFeel®81°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindNE 10 mph

Tue 7/8

82° /66°
5%
Humid with plenty of sun

RealFeel®90°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindSW 6 mph

Wed 7/9

82° /67°
25%
Cloudy

RealFeel®83°

RealFeel Shade™82°

Max UV Index3 (Moderate)

WindENE 7 mph

Thu 7/10

83° /69°
40%
Cloudy and humid; a thunderstorm in spots in the afternoon

RealFeel®87°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindSSE 6 mph

Fri 7/11

80° /70°
65%
Mostly cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®82°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindSSW 15 mph

Sat 7/12

80° /70°
65%
A couple of morning showers and a thunderstorm; otherwise, cloudy and humid

RealFeel®84°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindSSW 13 mph

Sun 7/13

81° /69°
25%
Humid with clouds and sun

RealFeel®89°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindSW 6 mph

Mon 7/14

79° /70°
65%
Cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®85°

RealFeel Shade™83°

Max UV Index3 (Moderate)

WindSSW 8 mph

Tue 7/15

79° /70°
25%
Cloudy and humid

RealFeel®86°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindSW 9 mph

Wed 7/16

82° /69°
41%
Cloudy and uncomfortably humid; a thundershower in spots in the afternoon

RealFeel®89°

RealFeel Shade™89°

Max UV Index3 (Moderate)

WindSSW 7 mph

Thu 7/17

80° /71°
25%
Still cloudy and uncomfortably humid

RealFeel®85°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindSW 13 mph

Fri 7/18

84° /71°
25%
Rather cloudy and uncomfortably humid

RealFeel®90°

RealFeel Shade™88°

Max UV Index3 (Moderate)

WindSW 13 mph

Sat 7/19

85° /70°
5%
Sunny and uncomfortably humid

RealFeel®93°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindSW 13 mph

Sun 7/20

85° /71°
25%
Sunny and humid

RealFeel®92°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindSW 14 mph

Mon 7/21

84° /68°
5%
Less humid with plenty of sunshine

RealFeel®89°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindNW 10 mph

Tue 7/22

80° /65°
20%
Plenty of sunshine with low humidity

RealFeel®85°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindENE 7 mph

Wed 7/23

79° /65°
20%
Partly sunny

RealFeel®86°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindSSW 7 mph

Thu 7/24

80° /70°
25%
Overcast

RealFeel®79°

RealFeel Shade™79°

Max UV Index3 (Moderate)

WindSW 13 mph

Fri 7/25

85° /71°
10%
Mostly sunny and humid

RealFeel®93°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSSW 9 mph

Sat 7/26

84° /70°
10%
Humid with sunshine and a few clouds

RealFeel®94°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSSW 7 mph

Sun 7/27

85° /71°
10%
Humid with sunshine

RealFeel®93°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindSSW 9 mph

Mon 7/28

86° /70°
60%
A shower in the morning; otherwise, humid with partial sunshine

RealFeel®95°

RealFeel Shade™91°

Max UV Index10 (Very High)

WindSW 7 mph

Tue 7/29

81° /67°
55%
Cloudy; a little rain in the morning followed by areas of drizzle in the afternoon

RealFeel®80°

RealFeel Shade™80°

Max UV Index2 (Low)

WindNNW 9 mph

Wed 7/30

78° /68°
70%
Cloudy and humid; afternoon showers and thunderstorms

RealFeel®79°

RealFeel Shade™79°

Max UV Index2 (Low)

WindE 7 mph

Thu 7/31

78° /68°
65%
Cloudy and humid with showers and thunderstorms

RealFeel®83°

RealFeel Shade™81°

Max UV Index2 (Low)

WindESE 6 mph

Fri 8/1

79° /70°
58%
Cloudy and humid; a thundershower in the morning followed by a thunderstorm in the afternoon

RealFeel®85°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSW 6 mph

Sat 8/2

80° /70°
65%
A couple of showers and a thunderstorm in the morning; otherwise, remaining cloudy and humid

RealFeel®85°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSW 7 mph

Sun 8/3

80° /69°
25%
Humid with sun followed by increasing clouds

RealFeel®86°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindSW 9 mph

Mon 8/4

81° /70°
25%
Mostly cloudy and humid

RealFeel®89°

RealFeel Shade™87°

Max UV Index5 (Moderate)

WindSW 7 mph

Tue 8/5

83° /70°
25%
Mostly cloudy and humid

RealFeel®88°

RealFeel Shade™85°

Max UV Index6 (High)

WindW 10 mph

Wed 8/6

80° /69°
25%
Mostly cloudy

RealFeel®83°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindNE 7 mph

Thu 8/7

79° /70°
25%
Mainly cloudy and humid

RealFeel®83°

RealFeel Shade™82°

Max UV Index3 (Moderate)

WindS 8 mph

Fri 8/8

82° /69°
58%
A couple of showers in the morning; otherwise, humid with intervals of clouds and sunshine

RealFeel®89°

RealFeel Shade™84°

Max UV Index6 (High)

WindS 8 mph

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