Greystone, CT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Greystone, CT in one place.
Mostly sunny, with a high near 78. Southwest wind 1 to 5 mph.
Local Weather Overview
This forecast page for Greystone, 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: Sep 15, 2026 3:02 PM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Greystone, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 3:02 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Greystone
Thursday looks like the warmest upcoming period in Greystone at 80 degrees F.
Friday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Friday at about 5 to 9 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 3:02 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- ALY
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 61. South wind around 2 mph.
Partly sunny. High near 80, with temperatures falling to around 78 in the afternoon. South wind 0 to 6 mph.
A chance of rain showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 70.
A chance of rain showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Rain showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Sunny
|
78°F |
1 to 5 mph
SW
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
61°F |
2 mph
S
|
|
Thursday
Sep 17
|
Partly Sunny
|
80°F |
0 to 6 mph
S
|
|
Thursday Night
Sep 17
|
Chance Rain Showers
|
64°F |
6 mph
SW
|
|
Friday
Sep 18
|
Mostly Sunny
|
78°F |
5 to 9 mph
NW
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
52°F |
7 mph
N
|
|
Saturday
Sep 19
|
Mostly Sunny
|
70°F |
5 mph
E
|
|
Saturday Night
Sep 19
|
Mostly Cloudy then Chance Rain Showers
|
56°F |
5 to 8 mph
SE
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
75°F |
9 mph
SW
|
|
Sunday Night
Sep 20
|
Rain Showers Likely
|
57°F |
7 mph
NW
|
|
Monday
Sep 21
|
Chance Rain Showers
|
70°F |
7 mph
N
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
52°F |
8 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greystone.