New York, NY 74° Los Angeles, CA 87° Chicago, IL 100° Houston, TX 94° Miami, FL 87° Phoenix, AZ 102° Seattle, WA 67° Denver, CO 87° Toronto, ON 75° Vancouver, BC 63°
WeatherLiveNew YorkSag Harbor

Sag Harbor, NY Weather (11963)

Current WeatherSag Harbor · 3:58 PM EDT
73° | 67°
73°F
Feels like 69°
Partly cloudy
WindE 15 mph · Gusts 16 mph
Precip31% · –
Humidity74% · Dew point 64°
UV index7 High
Air Quality41 Good
Pressure30.12 inHg
Visibility6 mi
Sunrise / Sunset6:17 AM · 7:20 PM · 13h 3m

Weather map — Sag Harbor

Full radar →
Now
73°
16%
15 mph
16:00
73°
21%
15 mph
17:00
71°
22%
14 mph
18:00
70°
23%
11 mph
19:00
69°
14%
14 mph
20:00
68°
25%
9 mph
21:00
69°
26%
10 mph
22:00
69°
26%
8 mph
23:00
70°
26%
10 mph
00:00
70°
28%
8 mph
01:00
69°
0.04 in
5 mph
02:00
69°
0.06 in
3 mph
03:00
69°
0.03 in
0 mph
04:00
69°
55%
3 mph
05:00
69°
51%
6 mph
06:00
69°
35%
8 mph
07:00
70°
47%
6 mph
08:00
70°
41%
5 mph
09:00
72°
32%
6 mph
10:00
74°
28%
6 mph
11:00
76°
10%
8 mph
12:00
78°
16%
7 mph
13:00
78°
21%
8 mph
14:00
78°
19%
8 mph

Today · Wed 9/2

High 73°
31% / –

Mostly cloudy. Winds E at 18 mph.

Tonight · Wed 9/2

Low 68°
26% / –

Mostly cloudy. Winds SE at 10 mph.

Tomorrow · Thu 9/3

78° | 69°
87% / 0.28 in

Showers. Winds SW at 11 mph.

7-day trend

Sag Harbor · temperature + precipitation

10-day forecast

Updated 3:58 PM

Details & indices

Wind
15 mph E
Gusts 16 mph
Humidity
74%
Dew point 64°
Pressure
30.12 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 41 · US EPA
Allergy
None detected
Visibility
6 mi
Clear view
Allergy — Sag Harbor

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:17 AM
Sunset7:20 PM
Length of day13h 3m
Moonrise9:52 PM
Moonset12:23 PM
Next full moonSep 26 Harvest Moon
Latitude40.9979°N
Longitude-72.2926°E

Water temps nearby

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Montauk (18 mi)71°
Misquamicut (35 mi)70°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
New York
Partly cloudy
74°
Brooklyn
Mostly cloudy
78°
Queens
Partly cloudy
75°
Manhattan
Partly cloudy
73°
The Bronx
Partly cloudy
72°
Staten Island
Partly cloudy
74°
Data sources · Wednesday, September 2
Where the Sag Harbor forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.9979°N, -72.2926°.
NBM + global weather models
Updated: 3:58 PM
Weather in Sag Harbor
Over the next 10 days Sag Harbor tops out around 80° (Friday) and dips to 56° on the coolest night (Wednesday). Models drop roughly 2.4 in of precipitation across the stretch — watch Tuesday (88%). Wind is the one to watch: gusts to 41 mph around Tuesday. No watches or warnings are active for the area right now. Right now Sag Harbor is running about 7° warmer than Providence. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Sag Harbor, NY · Elev 26 ft · 41.00°N, 72.29°W · New York · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 3:58 PM