Sayville, NY Weather Forecast

Local 7-day forecast

56°
F

Rain Showers Likely

Track current conditions, temperature changes, wind, and the full daily outlook for Sayville, NY in one place.

Sunday, April 19, 2026
Wind: 8 to 15 mph SW
Sunday

Rain showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

Local 7-day forecast

Local Weather Overview

This forecast page for Sayville, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 6:12 AM EDT.

The active forecast window currently covers Apr 19 to Apr 21, 2026 for Sayville, NY.

Page Snapshot

Page focus
city weather
Forecast window
Apr 19 to Apr 21, 2026
Latest sync
Apr 15, 2026 6:12 AM EDT
Forecast office
OKX
Source
NOAA / NWS
Next High
56°F
Sunday
Next Low
41°F
Sunday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
20 mph
Monday

Daily Outlook

Today
Apr 19
Rain Showers Likely
56 °F
/ 41°F
Wind 8 to 15 mph
Mon
Apr 20
Chance Rain Showers
48 °F
/ 38°F
Wind 20 mph
Tue
Apr 21
Sunny
50 °F
Wind 13 mph

This Week in Sayville

Sunday looks like the warmest upcoming period in Sayville at 56 degrees F.

Monday Night is the coolest period ahead with temperatures near 38 degrees F.

The strongest winds are forecast for Monday at about 20 mph NW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Apr 15, 2026 6:12 AM EDT
Coverage
3 days
Time zone
America/New_York
Forecast office
OKX
Radar station
KOKX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Sunday Night
Apr 19
41°F
Rain Showers Likely
17 mph NW

Rain showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

Monday
Apr 20
48°F
Chance Rain Showers
20 mph NW

A chance of rain showers before 2pm. Mostly sunny, with a high near 48. Chance of precipitation is 30%.

Monday Night
Apr 20
38°F
Mostly Clear
12 to 18 mph NW

Mostly clear, with a low around 38.

Tuesday
Apr 21
50°F
Sunny
13 mph W

Sunny, with a high near 50.

Detailed Forecast

Period Conditions Temp Wind
Sunday
Apr 19
Rain Showers Likely
56°F
8 to 15 mph
SW
Sunday Night
Apr 19
Rain Showers Likely
41°F
17 mph
NW
Monday
Apr 20
Chance Rain Showers
48°F
20 mph
NW
Monday Night
Apr 20
Mostly Clear
38°F
12 to 18 mph
NW
Tuesday
Apr 21
Sunny
50°F
13 mph
W
Sayville War Memorial 'Main Street %40 Middle Road'
Sayville War Memorial 'Main Street %40 Middle Road' image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.