SAYVILLE, NY 11782 Weather Forecast & Current Conditions

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ISLIP, NY
Current Weather

8:56 PM EDT JUN 19, 2026
Few Clouds
75°F
Feels Like: 75°F
Dewpoint: 46°F
Rel. Hum.: 36%
Visibility: 10 miles
Wind: WNW at 7 mph
Pressure: 29.68 inches
Last 72 hours

Local Area Snow Depth

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SAYVILLE, NY 11782
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the mid 60s. West winds 10 to 15 mph with gusts up to 25 mph.
SATURDAY
Sunny. Highs in the lower 80s. West winds 15 to 20 mph with gusts up to 35 mph.
SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph, becoming northwest around 5 mph after midnight.
SUNDAY
Mostly sunny. Highs in the lower 80s. West winds 5 to 10 mph, becoming southwest with gusts up to 20 mph in the afternoon.
SUNDAY NIGHT
Mostly cloudy. Lows in the mid 60s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
MONDAY
Showers with a chance of thunderstorms. Highs in the mid 70s. Chance of rain 90 percent.
MONDAY NIGHT
Showers with a chance of thunderstorms in the evening, then showers after midnight. Breezy with lows in the mid 60s. Chance of rain 90 percent.
TUESDAY
Partly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 50 percent.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s.
WEDNESDAY
Sunny. Highs in the lower 80s.
WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
THURSDAY
Mostly sunny. Highs in the lower 80s.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the upper 60s. Chance of rain 30 percent.

Visible Weather Satellite
SAYVILLE, NY 11782
Infrared Weather Satellite
SAYVILLE, NY 11782
NEXRAD Weather Radar
SAYVILLE, NY 11782

ISLIP, NY 3 hourly weather forecast

weather forecast created  8:00 AM EDT  6/19/2026
Friday
19 JUN 2026
SAYVILLE, NY 11782 weather forecast Day 1, 12 hours 2 PM 82° 81° Mostly Cloudy 0%

0% Thunder
( 3% severe)
W   14 37% 53°
High 83° SAYVILLE, NY 11782 weather forecast Day 1, 15 hours 5 PM 82° 81° Partly Cloudy W   13 37% 53°
Decreasing Clouds



SAYVILLE, NY 11782 weather forecast Day 1, 18 hours 8 PM 78° 79° Clear 0%

0% Thunder
( 3% severe)
WNW   10 40% 52°
SAYVILLE, NY 11782 weather forecast Day 1, 21 hours 11 PM 72° 72° Clear WNW   10 51% 53°
Saturday
20 JUN 2026
SAYVILLE, NY 11782 weather forecast Day 2, 0 hours 2 AM 69° 69° Clear 0%

0% Thunder
( 0% severe)
WNW   12 55% 52°
Low 64° SAYVILLE, NY 11782 weather forecast Day 2, 3 hours 5 AM 65° 65° Clear W   14 60% 51°
High 86° SAYVILLE, NY 11782 weather forecast Day 2, 6 hours 8 AM 70° 70° Clear 1%

0% Thunder
( 1% severe)
W   16 49% 50°

Clear




Breezy
SAYVILLE, NY 11782 weather forecast Day 2, 9 hours 11 AM 79° 79° Clear WNW   17 35% 49°
SAYVILLE, NY 11782 weather forecast Day 2, 12 hours 2 PM 84° 82° Clear 2%

0% Thunder
( 10% severe)
WNW   16 31% 50°
SAYVILLE, NY 11782 weather forecast Day 2, 15 hours 5 PM 84° 82° Clear WNW   15 30% 49°
SAYVILLE, NY 11782 weather forecast Day 2, 18 hours 8 PM 78° 79° Clear 0%

0% Thunder
( 9% severe)
WNW   12 37% 50°
SAYVILLE, NY 11782 weather forecast Day 2, 21 hours 11 PM 71° 71° Clear WNW   8 53% 53°
Sunday
21 JUN 2026
SAYVILLE, NY 11782 weather forecast Day 3, 0 hours 2 AM 67° 67° Clear 0%

0% Thunder
( 1% severe)
NW   6 63% 54°
Low 64° SAYVILLE, NY 11782 weather forecast Day 3, 3 hours 5 AM 64° 64° Clear WNW   6 67% 53°
High 85° SAYVILLE, NY 11782 weather forecast Day 3, 6 hours 8 AM 71° 71° Clear 2%

0% Thunder
( 1% severe)
WNW   6 55% 54°

Partly Cloudy



SAYVILLE, NY 11782 weather forecast Day 3, 9 hours 11 AM 80° 80° Clear W   9 38% 52°
SAYVILLE, NY 11782 weather forecast Day 3, 15 hours 2 PM 84° 82° Partly Cloudy 3%

0% Thunder
( 9% severe)
WSW   10 34% 53°
SAYVILLE, NY 11782 weather forecast Day 3, 18 hours 5 PM 81° 81° Partly Cloudy SW   12 41% 55°
SAYVILLE, NY 11782 weather forecast Day 3, 21 hours 8 PM 75° 75° Partly Cloudy     SSW   7 58% 59°

ISLIP, NY extended weather forecast

Monday
22 JUN 2026
Tuesday
23 JUN 2026
Wednesday
24 JUN 2026
Thursday
25 JUN 2026
Friday
26 JUN 2026
Low 64° Low 62° Low 63° Low 65° Low 62°
High 72° High 80° High 81° High 80° High 81°
SAYVILLE, NY 11782 weather forecast Day 4 SAYVILLE, NY 11782 weather forecast Day 5 SAYVILLE, NY 11782 weather forecast Day 6 SAYVILLE, NY 11782 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
83% Rain
Overcast
52% Rain
Partly Cloudy
21% Rain
Overcast
35% Rain
Partly Cloudy
37% Rain
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