BRENTWOOD, NY 11717 Weather Forecast & Current Conditions

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11717 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ISLIP, NY Current Weather
5:56 AM EDT JUN 18, 2025
Fog 64°F
Feels Like:	65°F
Dewpoint:	64°F
Rel. Hum.:	100%
Visibility:	1/8 miles
Wind:	SSE at 5 mph
Pressure:
Last 72 hours
Local Area Snow Depth
New York Current Weather
New York MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

11717 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	BRENTWOOD, NY 11717 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Cloudy. Widespread dense fog this morning. A chance of showers this morning, then a chance of showers with isolated thunderstorms this afternoon. Visibility one quarter mile or less at times this morning. Highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 50 percent.

TONIGHT
Mostly cloudy. Showers likely with isolated thunderstorms in the evening. Some thunderstorms may produce heavy rainfall in the evening. Lows in the upper 60s. South winds around 5 mph. Chance of rain 60 percent.

JUNETEENTH
Partly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Some thunderstorms may be severe with damaging winds, small hail, and heavy rainfall. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph. Gusts up to 20 mph, increasing to 30 mph in the afternoon. Chance of rain 40 percent.

THURSDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Some thunderstorms may be severe with damaging winds, small hail, and heavy rainfall. Lows in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent.

FRIDAY
Sunny. Highs in the lower 80s. West winds around 10 mph with gusts up to 20 mph.

FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.

SATURDAY
Sunny. Highs in the lower 80s.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s.

SUNDAY
Partly sunny. Highs in the lower 80s.

SUNDAY NIGHT
Partly cloudy. Lows around 70.

MONDAY
Sunny. Highs in the mid 80s. Heat index values in the mid 90s in the afternoon.

MONDAY NIGHT
Mostly clear. Lows around 70.

TUESDAY
Sunny. Highs in the upper 80s. Heat index values in the mid 90s in the afternoon.

11717 WEATHER SATELLITE LOOPS

Visible Weather Satellite
BRENTWOOD, NY 11717

Infrared Weather Satellite
BRENTWOOD, NY 11717

11717 WEATHER RADAR LOOP

NEXRAD Weather Radar
BRENTWOOD, NY 11717

MOS COMPUTER WEATHER FORECAST

ISLIP, NY 3 hourly weather forecast

weather forecast created 8:00 PM EDT 6/17/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
18 JUN 2025

2 AM

66°

66°

Mostly Cloudy

40%
RAIN
.1–.25 in

0% Thunder
( 15% severe)

S 3

97%

65°

Low 65°

5 AM

66°

66°

Mostly Cloudy

S 5

97%

65°

High 78°

8 AM

67°

67°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 7% severe)

S 6

97%

66°

Mostly Cloudy

Chance of Rain

11 AM

72°

72°

Mostly Cloudy

S 8

84%

67°

2 PM

74°

74°

Mostly Cloudy

40%
RAIN
<.01 in

0% Thunder
( 28% severe)

S 8

82%

68°

5 PM

75°

75°

Mostly Cloudy

S 8

82%

69°

8 PM

71°

71°

Mostly Cloudy

29%
RAIN
1–2 in

0% Thunder
( 14% severe)

S 6

90%

68°

11 PM

70°

70°

Mostly Cloudy

S 5

93%

68°

Thursday
19 JUN 2025

2 AM

70°

70°

Mostly Cloudy

6%

0% Thunder
( 3% severe)

WSW 5

93%

68°

Low 68°

5 AM

70°

70°

Mostly Cloudy

SW 5

93%

68°

High 85°

8 AM

73°

73°

Mostly Cloudy

1%

0% Thunder
( 2% severe)

SW 7

90%

70°

Partly Cloudy

Chance of Rain

11 AM

81°

84°

Partly Cloudy

SW 12

69%

70°

2 PM

84°

88°

Clear

24%
RAIN
<.01 in

0% Thunder
( 18% severe)

SSW 15

63%

70°

5 PM

82°

85°

Partly Cloudy

SSW 16

63%

68°

8 PM

76°

77°

Mostly Cloudy

32%
RAIN
***

0% Thunder
( 11% severe)

SW 14

74%

67°

11 PM

74°

74°

Mostly Cloudy

WSW 12

79%

67°


ISLIP, NY extended weather forecast
Friday 20 JUN 2025	Saturday 21 JUN 2025	Sunday 22 JUN 2025	Monday 23 JUN 2025	Tuesday 24 JUN 2025
Low 64°	Low 66°	Low 67°	Low 67°	Low 67°
High 83°	High 85°	High 82°	High 82°	High 83°

Partly Cloudy 41% Rain	Partly Cloudy 5% Rain	Mostly Cloudy 58% Rain	Overcast 29% Rain	Mostly Cloudy 32% Rain

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