Current Weather Forecast for Islip

NY 11751  |   8:33am

Weather Conditions

74°

Feels Like 74°

Sunny

64° 84°

2

UV Index

Moderate

Air Quality

SW 9 mph

Wind

0 in

rain

Today

Wed 5/20

84°

Highest Temperature

24%

Sunny to partly cloudy. A stray shower or thunderstorm is possible. High 84F. Winds SW at 10 to 20 mph.

Tonight

Wed 5/20

58°

Lowest Temperature

52%

Cloudy with occasional showers. Low 58F. Winds NNW at 5 to 10 mph. Chance of rain 50%.

Tomorrow

Thu 5/21

62°

Highest Temperature

60%

Cloudy with occasional rain showers. Cooler. High 62F. Winds NE at 10 to 15 mph. Chance of rain 60%.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Islip

Hourly Weather Forecast & Temperature

9AM

1%

77°

Feels Like 77°

Sunny

WSW 9 mph

Wind

1015 mb

Pressure

67%

Humidity

3

UV Index

10mi

Visibility

10%

Cloud Cover

10AM

81°

Feels Like 84°

Sunny

WSW 10 mph

Wind

1014 mb

Pressure

60%

Humidity

5

UV Index

10mi

Visibility

5%

Cloud Cover

11AM

82°

Feels Like 85°

Sunny

WSW 11 mph

Wind

1014 mb

Pressure

56%

Humidity

7

UV Index

10mi

Visibility

9%

Cloud Cover

12PM

83°

Feels Like 86°

Sunny

SW 12 mph

Wind

1014 mb

Pressure

52%

Humidity

8

UV Index

10mi

Visibility

14%

Cloud Cover

1PM

2%

83°

Feels Like 86°

Mostly Sunny

SW 13 mph

Wind

1013 mb

Pressure

52%

Humidity

8

UV Index

10mi

Visibility

20%

Cloud Cover

2PM

15%

83°

Feels Like 85°

Partly Cloudy

SW 13 mph

Wind

1013 mb

Pressure

50%

Humidity

7

UV Index

10mi

Visibility

42%

Cloud Cover

3PM

18%

81°

Feels Like 83°

Partly Cloudy

SW 14 mph

Wind

1013 mb

Pressure

52%

Humidity

6

UV Index

10mi

Visibility

45%

Cloud Cover

4PM

15%

79°

Feels Like 82°

Mostly Cloudy

SW 12 mph

Wind

1013 mb

Pressure

56%

Humidity

3

UV Index

10mi

Visibility

66%

Cloud Cover

5PM

24%

77°

Feels Like 80°

Mostly Cloudy

SW 10 mph

Wind

1013 mb

Pressure

63%

Humidity

2

UV Index

10mi

Visibility

68%

Cloud Cover

6PM

24%

76°

Feels Like 79°

Partly Cloudy

WSW 8 mph

Wind

1013 mb

Pressure

64%

Humidity

1

UV Index

10mi

Visibility

59%

Cloud Cover

7PM

20%

75°

Feels Like 76°

Mostly Cloudy

WNW 7 mph

Wind

1014 mb

Pressure

70%

Humidity

0

UV Index

10mi

Visibility

62%

Cloud Cover

8PM

32%

73°

Feels Like 74°

Few Showers

NW 6 mph

Wind

1015 mb

Pressure

76%

Humidity

0

UV Index

9mi

Visibility

82%

Cloud Cover

Wed 5/20

Wed

24%

64°

84°

More sun than clouds. Highs in the mid 80s and lows in the upper 50s.

86°

Feels Like

SW 14 mph

Wind

59%

Humidity

8

UV Index

5:31 AM

Sunrise

8:07 PM

Sunset

Thu 5/21

Thu

60%

54°

67°

Chance of showers. Highs in the low 60s and lows in the low 50s.

58°

Feels Like

NE 12 mph

Wind

68%

Humidity

4

UV Index

5:30 AM

Sunrise

8:08 PM

Sunset

Fri 5/22

Fri

1%

51°

64°

Partly cloudy. Highs in the mid 60s and lows in the low 50s.

51°

Feels Like

E 13 mph

Wind

49%

Humidity

8

UV Index

5:29 AM

Sunrise

8:09 PM

Sunset

Sat 5/23

Sat

49%

52°

59°

Showers possible. Highs in the upper 50s and lows in the low 50s.

52°

Feels Like

E 14 mph

Wind

57%

Humidity

4

UV Index

5:29 AM

Sunrise

8:10 PM

Sunset

Sun 5/24

Sun

56%

52°

60°

Showers possible. Highs in the low 60s and lows in the mid 50s.

50°

Feels Like

E 16 mph

Wind

81%

Humidity

4

UV Index

5:28 AM

Sunrise

8:11 PM

Sunset

Mon 5/25

Mon

36%

54°

66°

Showers ending by midday. Highs in the mid 60s and lows in the upper 50s.

66°

Feels Like

SW 9 mph

Wind

84%

Humidity

4

UV Index

5:27 AM

Sunrise

8:12 PM

Sunset

Tue 5/26

Tue

24%

59°

75°

Mostly cloudy. Highs in the mid 70s and lows in the low 60s.

76°

Feels Like

W 7 mph

Wind

66%

Humidity

5

UV Index

5:27 AM

Sunrise

8:13 PM

Sunset

Wed 5/27

Wed

6%

61°

82°

Partly cloudy. Highs in the low 80s and lows in the low 60s.

82°

Feels Like

W 9 mph

Wind

55%

Humidity

8

UV Index

5:26 AM

Sunrise

8:13 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Looking for homes in this area?

• 845 Islip Ave, Central Islip, NY 11722
• 36 Manitton Ct, Islip, NY 11751
• 50 Bittermint St, Islip, NY 11751

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from New York

Spring sizzle eyes May record books as summer-like heat invades the East

The East is baking under sweltering spring heat, with temperatures soaring toward record territory for the month of May ahead of summer.

Over 80 million to face 90-degree heat as potentially record-breaking May heat wave impacts the East

Put away those jackets — record-breaking heat is slamming the East after stubborn chilly weather gripped the region at the start of May. In fact, some cities along the I-95 corridor are seeing their first heat alerts of 2026.

You could see the Northern Lights in these states due to a geomagnetic storm

A fast stream of solar wind from a colossal coronal hole in the sun’s atmosphere could spark a geomagnetic storm, bringing with them the potential to see the Northern Lights. NOAA issued a Geomagnetic Storm Watch for Thursday and Friday, warning that the strongest geomagnetic activity is expected between 11 p.m. and 2 a.m. EST.

Summer-like heat is on the way for nearly 250 million Americans along the East Coast

Summer is still a month away, but the East Coast is getting its first little taste of those warm temperatures heading into the weekend.

Load More Stories