10-day forecast for West Sayville, NY: 68° to 89°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, August 9
78° · 0.27 in
Worst day: Sunday, August 16
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 71°0.13
Morning76°feels 76°
Afternoon87°feels 88°
Evening75°feels 76°
Overnight74°feels 74°
87 °
West Sayville, Monday, 10 August
Rain. High 87°, low 71°.
Pressure29.97 inHg
Wind9 mph S
Humidity44%
Visibility6.2 mi
Dew point59°
Tue, 1188° / 72°0
Morning74°feels 74°
Afternoon87°feels 89°
Evening83°feels 84°
Overnight73°feels 74°
88 °
West Sayville, Tuesday, 11 August
Overcast. High 88°, low 72°.
Pressure29.85 inHg
Wind7.4 mph NW
Humidity51%
Visibility6.2 mi
Dew point64°
Wed, 1284° / 73°0.02
Morning77°feels 77°
Afternoon83°feels 85°
Evening79°feels 79°
Overnight77°feels 78°
84 °
West Sayville, Wednesday, 12 August
Light rain. High 84°, low 73°.
Pressure29.74 inHg
Wind6.6 mph NE
Humidity71%
Visibility6.2 mi
Dew point65°
Thu, 1386° / 71°0
Morning74°feels 74°
Afternoon85°feels 84°
Evening84°feels 83°
Overnight72°feels 72°
86 °
West Sayville, Thursday, 13 August
Clear. High 86°, low 71°.
Pressure29.83 inHg
Wind10.2 mph NW
Humidity45%
Visibility6.2 mi
Dew point59°
Fri, 1475° / 70°0
Morning71°feels 70°
Afternoon73°feels 73°
Evening75°feels 74°
Overnight72°feels 71°
75 °
West Sayville, Friday, 14 August
Overcast. High 75°, low 70°.
Pressure30.09 inHg
Wind7.4 mph W
Humidity47%
Visibility—
Dew point51°
Sat, 1580° / 70°0
Morning73°feels 73°
Afternoon77°feels 76°
Evening77°feels 77°
Overnight73°feels 73°
80 °
West Sayville, Saturday, 15 August
Partly cloudy. High 80°, low 70°.
Pressure30.18 inHg
Wind8.5 mph S
Humidity46%
Visibility—
Dew point54°
Sun, 1678° / 72°0.27
Morning73°feels 74°
Afternoon76°feels 77°
Evening77°feels 79°
Overnight76°feels 78°
78 °
West Sayville, Sunday, 16 August
Light rain. High 78°, low 72°.
Pressure30.00 inHg
Wind25.5 mph S
Humidity78%
Visibility—
Dew point67°
Mon, 1781° / 68°0.01
Morning70°feels 70°
Afternoon74°feels 74°
Evening79°feels 79°
Overnight72°feels 72°
81 °
West Sayville, Monday, 17 August
Light rain. High 81°, low 68°.
Pressure29.88 inHg
Wind16.5 mph N
Humidity53%
Visibility—
Dew point54°
Tue, 1881° / 69°0
Morning72°feels 71°
Afternoon79°feels 78°
Evening79°feels 79°
Overnight74°feels 75°
81 °
West Sayville, Tuesday, 18 August
Overcast. High 81°, low 69°.
Pressure30.12 inHg
Wind17 mph S
Humidity45%
Visibility—
Dew point54°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in West Sayville, NY around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.