Greenwich, CT Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Greenwich, CT in one place.
Mostly cloudy, with a high near 78. Northeast wind 2 to 6 mph.
Local Weather Overview
This forecast page for Greenwich, CT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 1:03 PM EDT.
The active forecast window currently covers May 26 to May 30, 2026 for Greenwich, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:03 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenwich
Wednesday looks like the warmest upcoming period in Greenwich at 81 degrees F.
Friday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Friday at about 8 to 13 mph NW.
The forecast from May 26 through May 30 stays mostly dry.
Forecast Details
- Last updated
- May 24, 2026 1:03 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 62.
Partly sunny, with a high near 81.
Mostly cloudy, with a low around 63.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 76.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 74.
Partly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Cloudy
|
78°F |
2 to 6 mph
NE
|
|
Tuesday Night
May 26
|
Mostly Cloudy
|
62°F |
5 to 8 mph
SW
|
|
Wednesday
May 27
|
Partly Sunny
|
81°F |
5 to 10 mph
W
|
|
Wednesday Night
May 27
|
Mostly Cloudy
|
63°F |
10 mph
NW
|
|
Thursday
May 28
|
Mostly Sunny
|
81°F |
8 to 12 mph
NW
|
|
Thursday Night
May 28
|
Partly Cloudy
|
58°F |
8 to 12 mph
NW
|
|
Friday
May 29
|
Mostly Sunny
|
76°F |
8 to 13 mph
NW
|
|
Friday Night
May 29
|
Partly Cloudy
|
55°F |
9 to 13 mph
N
|
|
Saturday
May 30
|
Mostly Sunny
|
74°F |
9 mph
N
|
|
Saturday Night
May 30
|
Partly Cloudy
|
56°F |
6 to 9 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greenwich.
