STONY BROOK, NY 11790 Weather Forecast & Current Conditions

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11790 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ISLIP, NY Current Weather
7:56 AM EDT MAY 20, 2025
Few Clouds 52°F
Feels Like:	47°F
Dewpoint:	39°F
Rel. Hum.:	61%
Visibility:	10 miles
Wind:	NNW at 16 mph
Pressure:	29.91 inches
Last 72 hours
Local Area Snow Depth
New York Current Weather
New York MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

11790 WEATHER FORECAST
10-Day model forecast maps 2024 Hurricanes	STONY BROOK, NY 11790 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Mostly sunny. Highs in the upper 60s. North winds 10 to 15 mph.

TONIGHT
Mostly cloudy. Lows in the lower 50s. East winds 5 to 10 mph.

WEDNESDAY
Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs around 60. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent.

WEDNESDAY NIGHT
Rain, breezy with lows around 50. East winds 15 to 25 mph. Chance of rain 90 percent.

THURSDAY
Rain, breezy with highs in the upper 50s. Northeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 90 percent.

THURSDAY NIGHT
Rain in the evening, then showers likely after midnight. Lows in the upper 40s. Chance of rain 90 percent.

FRIDAY
Mostly cloudy with a 30 percent chance of showers. Highs in the lower 60s.

FRIDAY NIGHT
Mostly cloudy with a 30 percent chance of showers. Lows around 50.

SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. A 30 percent chance of showers. Highs in the mid 60s.

SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s.

SUNDAY
Mostly sunny. Highs around 70.

SUNDAY NIGHT
Partly cloudy. Lows in the mid 50s.

MEMORIAL DAY
Mostly sunny. Highs in the lower 70s.

11790 WEATHER SATELLITE LOOPS

Visible Weather Satellite
STONY BROOK, NY 11790

Infrared Weather Satellite
STONY BROOK, NY 11790

11790 WEATHER RADAR LOOP

NEXRAD Weather Radar
STONY BROOK, NY 11790

MOS COMPUTER WEATHER FORECAST

ISLIP, NY 3 hourly weather forecast

weather forecast created 8:00 PM EDT 5/19/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
20 MAY 2025

2 AM

52°

48°

Clear

0%

0% Thunder
( 0% severe)

NNW 12

59%

38°

Low 49°

5 AM

50°

45°

Clear

NNW 13

63%

38°

High 68°

8 AM

54°

50°

Clear

0%

0% Thunder
( 0% severe)

NNW 13

57%

39°

Partly Cloudy

11 AM

61°

60°

Partly Cloudy

N 10

46%

40°

2 PM

66°

66°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NNW 7

40%

41°

5 PM

66°

66°

Partly Cloudy

N 7

43%

43°

8 PM

61°

61°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

NE 5

56%

45°

11 PM

58°

57°

Mostly Cloudy

E 6

67%

47°

Wednesday
21 MAY 2025

2 AM

56°

55°

Mostly Cloudy

2%

0% Thunder
( 2% severe)

E 6

72%

47°

Low 52°

5 AM

54°

52°

Mostly Cloudy

E 7

74%

46°

High 60°

8 AM

56°

54°

Mostly Cloudy

24%
RAIN
<.01 in

0% Thunder
( 3% severe)

E 9

69%

46°

Mostly Cloudy

Rain Likely

11 AM

58°

55°

Mostly Cloudy

E 14

60%

44°

2 PM

58°

55°

Mostly Cloudy

53%
RAIN
***

0% Thunder
( 7% severe)

E 15

60%

44°

5 PM

56°

52°

Mostly Cloudy

E 15

66%

45°

8 PM

53°

49°

Mostly Cloudy

62%
RAIN
***

0% Thunder
( 9% severe)

E 13

77%

46°

11 PM

53°

49°

Mostly Cloudy

E 14

80%

47°


ISLIP, NY extended weather forecast
Thursday 22 MAY 2025	Friday 23 MAY 2025	Saturday 24 MAY 2025	Sunday 25 MAY 2025	Monday 26 MAY 2025
Low 49°	Low 48°	Low 48°	Low 49°	Low 53°
High 59°	High 59°	High 62°	High 67°	High 70°

Overcast 99% Rain	Overcast 71% Rain	Overcast 52% Rain	Overcast 26% Rain	Partly Cloudy 24% Rain

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