Cos Cob, CT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cos Cob, CT in one place.
Mostly sunny, with a high near 64. North wind 20 to 25 mph.
Local Weather Overview
This forecast page for Cos Cob, 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 28, 2026 9:03 PM EDT.
The active forecast window currently covers May 30 to Jun 4, 2026 for Cos Cob, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 4, 2026
- Latest sync
- May 28, 2026 9:03 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cos Cob
Thursday looks like the warmest upcoming period in Cos Cob at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Saturday at about 20 to 25 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 28, 2026 9:03 PM EDT
- Coverage
- 6 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 clear, with a low around 50. North wind 5 to 18 mph.
Sunny, with a high near 73.
Partly cloudy, with a low around 57.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 69. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 70. Chance of precipitation is 30%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
64°F |
20 to 25 mph
N
|
|
Saturday Night
May 30
|
Mostly Clear
|
50°F |
5 to 18 mph
N
|
|
Sunday
May 31
|
Sunny
|
73°F |
5 to 13 mph
W
|
|
Sunday Night
May 31
|
Partly Cloudy
|
57°F |
10 to 14 mph
SW
|
|
Monday
Jun 1
|
Partly Sunny then Chance Showers And Thunderstorms
|
72°F |
10 mph
W
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms then Partly Cloudy
|
55°F |
6 to 10 mph
N
|
|
Tuesday
Jun 2
|
Chance Showers And Thunderstorms
|
69°F |
10 mph
N
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms
|
54°F |
10 mph
N
|
|
Wednesday
Jun 3
|
Chance Rain Showers
|
70°F |
9 to 13 mph
N
|
|
Wednesday Night
Jun 3
|
Chance Rain Showers then Partly Cloudy
|
56°F |
9 mph
NW
|
|
Thursday
Jun 4
|
Sunny
|
75°F |
9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cos Cob.