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Northeast braces for coldest weekend of winter. See how low temps will plunge. Chevron right

Islip, NY

21°F
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Islip

New York

21°
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Islip, NY Weather
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WinterCast

An inch or two

Fri, 2/6, 10:00 PM - Sat, 2/7, 1:00 PM

Snow

6 AM

15°
RealFeel® 8°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNE 7 mph

Air QualityPoor

Wind Gusts9 mph

Humidity100%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

16°
RealFeel® 10°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™10°

WindN 7 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts8 mph

Humidity92%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling9300 ft

8 AM

18°
RealFeel® 12°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™12°

WindN 7 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts8 mph

Humidity90%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling10300 ft

9 AM

20°
RealFeel® 15°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™15°

WindN 7 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts9 mph

Humidity88%

Indoor Humidity29% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling11200 ft

10 AM

24°
RealFeel® 19°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™19°

WindNNE 7 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts10 mph

Humidity79%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling12200 ft

11 AM

26°
RealFeel® 23°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™21°

WindNNE 7 mph

Air QualityPoor

Max UV Index1.1 (Low)

Wind Gusts10 mph

Humidity73%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling12800 ft

12 PM

28°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™25°

WindNE 6 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts8 mph

Humidity69%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling13300 ft

1 PM

29°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™28°

WindE 5 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts6 mph

Humidity66%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling13900 ft

2 PM

30°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™31°

WindSE 5 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts6 mph

Humidity64%

Indoor Humidity30% (Dry)

Dew Point20° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling12300 ft

3 PM

32°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™32°

WindSSE 5 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts6 mph

Humidity61%

Indoor Humidity30% (Dry)

Dew Point20° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling10700 ft

4 PM

30°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™30°

WindS 5 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts6 mph

Humidity65%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9100 ft

5 PM

29°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™29°

WindS 5 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts6 mph

Humidity68%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling8400 ft

6 PM

28°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 3%
Chevron down
Cloudy

WindS 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity70%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7700 ft

7 PM

27°
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 15%
Chevron down
Cloudy

WindS 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity75%

Indoor Humidity30% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7100 ft

8 PM

26°
RealFeel® 23°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 15%
Chevron down
Cloudy

WindS 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity80%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling5400 ft

9 PM

27°
RealFeel® 23°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindSSW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity81%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling3700 ft

10 PM

27°
RealFeel® 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 64%
Chevron down
Snow

WindSSW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity85%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Snow0.20 in

Visibility3 mi

Cloud Ceiling2000 ft

11 PM

27°
RealFeel® 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 65%
Chevron down
Snow

WindSW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity85%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Snow0.21 in

Visibility3 mi

Cloud Ceiling1800 ft

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