SMITHTOWN, NY 11787 Weather Forecast & Current Conditions

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11787 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ISLIP, NY Current Weather
5:56 PM EDT SEP 9, 2025
Broken Clouds 70°F
Feels Like:	70°F
Dewpoint:	52°F
Rel. Hum.:	53%
Visibility:	10 miles
Wind:	E at 10 mph
Pressure:	30.28 inches
Last 72 hours
Local Area Snow Depth
New York Current Weather
New York MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

11787 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	SMITHTOWN, NY 11787 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of rain 20 percent.

WEDNESDAY
Cloudy with a chance of showers with isolated thunderstorms. Highs in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

WEDNESDAY NIGHT
Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 50s. North winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent.

THURSDAY
Sunny. Highs in the upper 70s. North winds 5 to 10 mph.

THURSDAY NIGHT
Mostly clear. Lows in the upper 50s. North winds 5 to 10 mph.

FRIDAY
Sunny. Highs in the mid 70s.

FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.

SATURDAY
Mostly sunny. Highs in the mid 70s.

SATURDAY NIGHT
Partly cloudy. Lows in the upper 50s.

SUNDAY
Mostly sunny. Highs in the mid 70s.

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

MONDAY
Mostly sunny. Highs in the mid 70s.

MONDAY NIGHT
Partly cloudy. Lows in the upper 50s.

11787 WEATHER SATELLITE LOOPS

Visible Weather Satellite
SMITHTOWN, NY 11787

Infrared Weather Satellite
SMITHTOWN, NY 11787

11787 WEATHER RADAR LOOP

NEXRAD Weather Radar
SMITHTOWN, NY 11787

MOS COMPUTER WEATHER FORECAST

ISLIP, NY 3 hourly weather forecast

weather forecast created 8:00 AM EDT 9/ 9/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
9 SEP 2025

2 PM

72°

72°

Partly Cloudy

4%

0% Thunder
( 0% severe)

ENE 16

51%

53°

High 73°

5 PM

71°

71°

Mostly Cloudy

E 15

53%

53°

Mostly Cloudy

8 PM

65°

65°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 1% severe)

ENE 13

68%

54°

11 PM

64°

63°

Mostly Cloudy

ENE 13

73%

55°

Wednesday
10 SEP 2025

2 AM

63°

62°

Mostly Cloudy

30%
RAIN
>2 in

0% Thunder
( 6% severe)

ENE 12

81%

57°

Low 61°

5 AM

63°

62°

Mostly Cloudy

NE 13

84%

58°

High 71°

8 AM

64°

63°

Mostly Cloudy

26%
RAIN
1–2 in

0% Thunder
( 5% severe)

NE 14

87%

60°

Overcast

Chance of Rain

11 AM

66°

66°

Overcast

NE 15

84%

61°

2 PM

69°

69°

Overcast

13%
RAIN
<.01 in

0% Thunder
( 3% severe)

NE 15

76%

61°

5 PM

69°

69°

Mostly Cloudy

NNE 13

76%

61°

8 PM

65°

65°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 0% severe)

NNE 9

84%

60°

11 PM

65°

65°

Mostly Cloudy

NNE 8

81%

59°

Thursday
11 SEP 2025

2 AM

63°

63°

Partly Cloudy

3%

0% Thunder
( 1% severe)

N 8

81%

57°

Low 60°

5 AM

62°

61°

Partly Cloudy

N 8

81%

56°

High 79°

8 AM

66°

66°

Partly Cloudy

1%

0% Thunder
( 0% severe)

N 8

73%

57°

Partly Cloudy

11 AM

73°

73°

Partly Cloudy

N 9

51%

54°

2 PM

78°

79°

Partly Cloudy

0%

0% Thunder
( 0% severe)

N 7

42%

53°

5 PM

77°

78°

Partly Cloudy

NNW 6

45%

54°

8 PM

70°

70°

Clear

WSW 2

61%

56°


ISLIP, NY extended weather forecast
Friday 12 SEP 2025	Saturday 13 SEP 2025	Sunday 14 SEP 2025	Monday 15 SEP 2025	Tuesday 16 SEP 2025
Low 59°	Low 60°	Low 59°	Low 61°	Low 60°
High 75°	High 70°	High 75°	High 76°	High 77°

Partly Cloudy 9% Rain	Mostly Cloudy 37% Rain	Mostly Cloudy 37% Rain	Partly Cloudy 33% Rain	Partly Cloudy 39% Rain

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