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Greenwich, NY Weather (12834)

ZIP codes: 12834 · 12848
Current WeatherGreenwich · 10:45 AM EDT
79° | 55°
73°F
Feels like 74°
Sunny
WindSW 5 mph · Gusts 8 mph
Precip38% · 0.02 in
Humidity66% · Dew point 61°
UV index6 Moderate
Air Quality40 Good
Pressure30.00 inHg
Visibility6 mi
Sunrise / Sunset6:05 AM · 7:49 PM · 13h 44m

Weather map — Greenwich

Full radar →
Now
73°
5%
5 mph
11:00
75°
14%
4 mph
12:00
78°
12%
5 mph
13:00
79°
11%
7 mph
14:00
79°
11%
8 mph
15:00
79°
10%
8 mph
16:00
79°
10%
8 mph
17:00
67°
18%
9 mph
18:00
61°
45%
8 mph
19:00
58°
38%
7 mph
20:00
57°
30%
2 mph
21:00
57°
29%
1 mph
22:00
56°
15%
3 mph
23:00
55°
15%
2 mph
00:00
54°
15%
2 mph
01:00
57°
13%
0 mph
02:00
56°
14%
1 mph
03:00
55°
15%
1 mph
04:00
55°
15%
1 mph
05:00
54°
15%
2 mph
06:00
54°
15%
2 mph
07:00
56°
20%
2 mph
08:00
58°
12%
2 mph
09:00
63°
6%
2 mph

Today · Thu 8/20

High 79°
38% / 0.02 in

Mostly cloudy. Winds SW at 9 mph.

Tonight · Thu 8/20

Low 54°
29% / –

Mostly cloudy. Winds SE at 1 mph.

Tomorrow · Fri 8/21

76° | 54°
6% / –

Sunny. Winds S at 3 mph.

7-day trend

Greenwich · temperature + precipitation

10-day forecast

Updated 10:45 AM

Details & indices

Wind
5 mph SW
Gusts 8 mph
Humidity
66%
Dew point 61°
Pressure
30.00 inHg
Rising
UV index
6 — Moderate
High today
Air Quality
Good
AQI 40 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Greenwich

🌿 Conditions right now

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

Sun & moon

Sunrise6:05 AM
Sunset7:49 PM
Length of day13h 44m
Moonrise2:57 PM
Moonset11:28 PM
Next full moonAug 28 Sturgeon Moon
Latitude43.0906°N
Longitude-73.4987°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️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
Great
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
New York
🌤️
Brooklyn
🌤️
Queens
🌤️
Manhattan
🌤️
The Bronx
🌤️
Staten Island
Data sources · Thursday, August 20
Where the Greenwich 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: 43.0906°N, -73.4987°.
NBM + global weather models
Updated: 10:45 AM
ZIP codes in Greenwich
📮
12823
Greenwich
📮
12834
Greenwich
📮
12848
Greenwich
📮
12865
Greenwich
Weather in Greenwich
Greenwich's outlook: warmest day near 79° (Thursday), coldest night about 51° (Tuesday). About 2.8 in of precipitation is expected in total; the most likely wet day is Thursday (92% chance). Hold onto the patio furniture Wednesday: gusts could hit 26 mph. The NWS alert board for this area is currently clear. Right now Greenwich is about 16° cooler than nearby Providence. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Greenwich, NY · Elev 374 ft · 43.09°N, 73.50°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: 10:45 AM