10-day forecast for Harbor Isle, NY: 67° to 89°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, August 9
74° · 0.36 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 73°0
Morning77°feels 77°
Afternoon86°feels 91°
Evening79°feels 79°
Overnight74°feels 74°
87 °
Harbor Isle, Monday, 10 August
Clear. High 87°, low 73°.
Pressure29.97 inHg
Wind7.6 mph S
Humidity58%
Visibility6.2 mi
Dew point65°
Tue, 1188° / 76°0
Morning79°feels 79°
Afternoon86°feels 89°
Evening85°feels 85°
Overnight76°feels 76°
88 °
Harbor Isle, Tuesday, 11 August
Light rain. High 88°, low 76°.
Pressure29.83 inHg
Wind8.9 mph W
Humidity61%
Visibility6.2 mi
Dew point67°
Wed, 1281° / 77°0
Morning77°feels 77°
Afternoon81°feels 82°
Evening78°feels 79°
Overnight79°feels 79°
81 °
Harbor Isle, Wednesday, 12 August
Overcast. High 81°, low 77°.
Pressure29.83 inHg
Wind5.1 mph S
Humidity51%
Visibility6.2 mi
Dew point59°
Thu, 1385° / 75°0.01
Morning77°feels 78°
Afternoon82°feels 83°
Evening83°feels 81°
Overnight78°feels 79°
85 °
Harbor Isle, Thursday, 13 August
Light rain. High 85°, low 75°.
Pressure29.74 inHg
Wind16 mph W
Humidity57%
Visibility6.2 mi
Dew point65°
Fri, 1480° / 69°0
Morning71°feels 70°
Afternoon74°feels 73°
Evening78°feels 78°
Overnight72°feels 71°
80 °
Harbor Isle, Friday, 14 August
Partly cloudy. High 80°, low 69°.
Pressure30.00 inHg
Wind18.3 mph NW
Humidity42%
Visibility—
Dew point48°
Sat, 1578° / 67°0
Morning69°feels 68°
Afternoon72°feels 71°
Evening78°feels 77°
Overnight74°feels 73°
78 °
Harbor Isle, Saturday, 15 August
Clear. High 78°, low 67°.
Pressure30.15 inHg
Wind18.8 mph NW
Humidity40%
Visibility—
Dew point45°
Sun, 1676° / 70°0
Morning71°feels 70°
Afternoon75°feels 74°
Evening76°feels 75°
Overnight73°feels 73°
76 °
Harbor Isle, Sunday, 16 August
Overcast. High 76°, low 70°.
Pressure30.18 inHg
Wind16.2 mph SW
Humidity33%
Visibility—
Dew point43°
Mon, 1774° / 69°0.36
Morning70°feels 71°
Afternoon71°feels 71°
Evening73°feels 74°
Overnight69°feels 69°
74 °
Harbor Isle, Monday, 17 August
Rain. High 74°, low 69°.
Pressure29.97 inHg
Wind17.3 mph SE
Humidity84%
Visibility—
Dew point65°
Tue, 1878° / 67°0
Morning69°feels 69°
Afternoon74°feels 74°
Evening78°feels 78°
Overnight74°feels 74°
78 °
Harbor Isle, Tuesday, 18 August
Overcast. High 78°, low 67°.
Pressure29.97 inHg
Wind13.1 mph N
Humidity53%
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 Harbor Isle, 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.