Wind
7 mph
W
Local Forecast
Current conditions, 5-day forecast, active weather alerts for Cos Cob, CT
Active Alerts 1 active
Hour-by-Hour Current Observation
Clear
Wind
7 mph
W
UV Index
4
Moderate
Humidity
94%
Dew 71°F
Sun
5:57 AM · 8:02 PM
Rise · Set
Source: WHITE PLAINS (KHPN). Slider scrubs the next 12 hours.
5-Day Outlook
Saturday
Isolated T-storm
Overnight: Mostly Cloudy
Saturday
A slight chance of showers and thunderstorms after 5pm. Mostly sunny. High near 90, with temperatures falling to around 88 in the afternoon. Heat index values as high as 97. Southwest wind 3 to 10 mph. Chance of precipitation is 20%.
Night
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Sunday
Partly Sunny
Overnight: Mostly Clear
Sunday
Mostly sunny, with a high near 90. West wind 3 to 8 mph.
Night
Mostly clear, with a low around 67. Northwest wind 1 to 7 mph.
Monday
Partly Sunny
Overnight: Isolated T-storm
Monday
Sunny, with a high near 91.
Night
A slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 72.
Tuesday
Chance of Thunderstorms
Overnight: Chance of Thunderstorms
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Wednesday
Chance of Thunderstorms
Overnight: Chance of Rain
Wednesday
A chance of rain showers. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Night
A chance of rain showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Cos Cob, CT Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Cos Cob, CT.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.