10-day forecast for Sag Harbor, NY: 64° to 88°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, August 9
79° · 0.2 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 70°0.01
Morning74°feels 74°
Afternoon86°feels 87°
Evening76°feels 77°
Overnight71°feels 71°
86 °
Sag Harbor, Monday, 10 August
Light rain. High 86°, low 70°.
Pressure30.00 inHg
Wind1.1 mph W
Humidity45%
Visibility6.2 mi
Dew point57°
Tue, 1183° / 74°0
Morning74°feels 75°
Afternoon81°feels 83°
Evening77°feels 78°
Overnight76°feels 77°
83 °
Sag Harbor, Tuesday, 11 August
Light rain. High 83°, low 74°.
Pressure29.83 inHg
Wind8.8 mph NW
Humidity80%
Visibility6.2 mi
Dew point69°
Wed, 1277° / 71°0
Morning73°feels 73°
Afternoon75°feels 75°
Evening73°feels 74°
Overnight72°feels 72°
77 °
Sag Harbor, Wednesday, 12 August
Overcast. High 77°, low 71°.
Pressure29.77 inHg
Wind3.3 mph E
Humidity66%
Visibility6.2 mi
Dew point63°
Thu, 1379° / 70°0.2
Morning71°feels 72°
Afternoon74°feels 75°
Evening77°feels 76°
Overnight71°feels 72°
79 °
Sag Harbor, Thursday, 13 August
Light rain. High 79°, low 70°.
Pressure29.71 inHg
Wind18.5 mph NW
Humidity85%
Visibility—
Dew point68°
Fri, 1475° / 65°0
Morning66°feels 65°
Afternoon69°feels 69°
Evening74°feels 73°
Overnight67°feels 66°
75 °
Sag Harbor, Friday, 14 August
Clear. High 75°, low 65°.
Pressure29.97 inHg
Wind21 mph NW
Humidity51%
Visibility—
Dew point49°
Sat, 1576° / 64°0
Morning66°feels 65°
Afternoon70°feels 69°
Evening75°feels 74°
Overnight69°feels 68°
76 °
Sag Harbor, Saturday, 15 August
Clear. High 76°, low 64°.
Pressure30.03 inHg
Wind19.6 mph NW
Humidity49%
Visibility—
Dew point48°
Sun, 1678° / 65°0
Morning68°feels 67°
Afternoon74°feels 73°
Evening76°feels 76°
Overnight70°feels 69°
78 °
Sag Harbor, Sunday, 16 August
Partly cloudy. High 78°, low 65°.
Pressure30.12 inHg
Wind12.8 mph NW
Humidity46%
Visibility—
Dew point50°
Mon, 1778° / 68°0.02
Morning70°feels 70°
Afternoon76°feels 76°
Evening75°feels 75°
Overnight71°feels 71°
78 °
Sag Harbor, Monday, 17 August
Light rain. High 78°, low 68°.
Pressure30.03 inHg
Wind14.3 mph SW
Humidity54%
Visibility—
Dew point57°
Tue, 1878° / 67°0.06
Morning69°feels 69°
Afternoon74°feels 74°
Evening77°feels 77°
Overnight70°feels 71°
78 °
Sag Harbor, Tuesday, 18 August
Light rain. High 78°, low 67°.
Pressure30.03 inHg
Wind11.9 mph S
Humidity62%
Visibility—
Dew point59°
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 Sag Harbor, 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.