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
12:56 AM EDT MAY 20, 2025
Few Clouds 52°F
Feels Like:	47°F
Dewpoint:	37°F
Rel. Hum.:	56%
Visibility:	10 miles
Wind:	NNW at 15 mph, gusts to 29
Pressure:	29.87 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

TONIGHT
Mostly clear late this evening, then becoming partly cloudy. Lows in the upper 40s. North winds 15 to 20 mph with gusts up to 30 mph.

TUESDAY
Partly sunny. Highs in the upper 60s. North winds 10 to 15 mph.

TUESDAY NIGHT
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. Chance of rain 70 percent.

WEDNESDAY NIGHT
Rain. Lows in the upper 40s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

THURSDAY
Rain. Highs in the upper 50s. Chance of rain 90 percent.

THURSDAY NIGHT
Rain. Lows in the upper 40s. Chance of rain 80 percent.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the lower 60s.

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

SATURDAY
Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.

SATURDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 40 percent.

SUNDAY
Mostly sunny. Highs around 70.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 50s.

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
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 51°	Low 50°	Low 47°	Low 49°	Low 51°
High 58°	High 60°	High 61°	High 65°	High 72°

Overcast 94% Rain	Overcast 100% Rain	Overcast 74% Rain	Overcast 36% Rain	Partly Cloudy 21% Rain

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