Cos Cob, CT Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Cos Cob, CT in one place.
A slight chance of rain showers. Partly sunny, with a high near 79.
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: Apr 10, 2026 4:26 PM EDT.
The active forecast window currently covers Apr 15 to Apr 16, 2026 for Cos Cob, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 4:26 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cos Cob
Wednesday looks like the warmest upcoming period in Cos Cob at 79 degrees F.
Thursday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Wednesday at about 6 to 12 mph S.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 4:26 PM EDT
- Coverage
- 2 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
A slight chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
A slight chance of rain showers before 8am. Partly sunny, with a high near 77.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Slight Chance Rain Showers
|
79°F |
6 to 12 mph
S
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
60°F |
7 to 12 mph
SW
|
|
Thursday
Apr 16
|
Slight Chance Rain Showers then Partly Sunny
|
77°F |
7 to 10 mph
W
|
|
Thursday Night
Apr 16
|
Mostly Cloudy then Slight Chance Rain Showers
|
56°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cos Cob.