New York, NY 22° Los Angeles, CA 31° Chicago, IL 33° Houston, TX 34° Miami, FL 30° Phoenix, AZ 39° Seattle, WA 24° Denver, CO 29° Toronto, ON 21° Vancouver, BC 21°
WeatherLiveNew YorkSag Harbor

Sag Harbor, NY Weather (11963)

Current WeatherSag Harbor · 7:06 PM EDT
25° | 21°
22°C
Feels like 23°
Mostly cloudy
WindS 8 mph · Gusts 11 mph
Precip82% · 0.51 in
Humidity80% · Dew point 19°
UV index7 High
Air Quality70 Moderate
Pressure30.06 inHg
Visibility6 mi
Sunrise / Sunset6:15 AM · 7:23 PM · 13h 8m

Weather map — Sag Harbor

Full radar →
Now
22°
24%
8 mph
20:00
22°
26%
8 mph
21:00
22°
27%
7 mph
22:00
22°
28%
9 mph
23:00
22°
29%
9 mph
00:00
22°
34%
9 mph
01:00
22°
28%
10 mph
02:00
21°
33%
9 mph
03:00
21°
65%
9 mph
04:00
20°
0.21 in
9 mph
05:00
21°
0.32 in
8 mph
06:00
21°
0.13 in
8 mph
07:00
21°
30%
10 mph
08:00
21°
0.03 in
10 mph
09:00
22°
57%
8 mph
10:00
22°
0.07 in
7 mph
11:00
22°
52%
6 mph
12:00
22°
62%
4 mph
13:00
24°
39%
1 mph
14:00
24°
32%
4 mph
15:00
24°
28%
6 mph
16:00
24°
27%
7 mph
17:00
24°
40%
8 mph
18:00
23°
50%
12 mph

Today · Mon 8/31

High 25°
82% / 0.51 in

Mostly cloudy. Winds E at 10 mph.

Tonight · Mon 8/31

Low 20°
27% / –

Mostly cloudy. Winds S at 7 mph.

Tomorrow · Tue 9/1

24° | 20°
92% / 0.88 in

Showers. Winds E at 20 mph.

7-day trend

Sag Harbor · temperature + precipitation

10-day forecast

Updated 7:06 PM

Details & indices

Wind
8 mph S
Gusts 11 mph
Humidity
80%
Dew point 19°
Pressure
30.06 inHg
Rising
UV index
7 — High
High today
Air Quality
Moderate
AQI 70 · 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

Sunrise6:15 AM
Sunset7:23 PM
Length of day13h 8m
Moonrise8:48 PM
Moonset9:56 AM
Next full moonSep 26 Harvest Moon
Latitude40.9979°N
Longitude-72.2926°E

Water temps nearby

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Montauk (18 mi)73°
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
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
New York
Light rain
22°
Brooklyn
Mostly cloudy
25°
Queens
Light rain
22°
Manhattan
Light rain
22°
The Bronx
Light rain
22°
Staten Island
Partly cloudy
24°
Data sources · Monday, August 31
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: 7:06 PM
Weather in Sag Harbor
Over the next 10 days Sag Harbor tops out around 28° (Friday) and dips to 16° on the coolest night (Monday). Models drop roughly 2.4 in of precipitation across the stretch — watch Tuesday (92%). Wind is the one to watch: gusts to 30 mph around Wednesday. No watches or warnings are active for the area right now. Right now Sag Harbor is running about 50° warmer than New York. 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: 7:06 PM