National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

White Plains - Westchester County Airport (KHPN)

Lat: 41.06°NLon: 73.7°WElev: 367ft.

Fair

61°F

16°C

Humidity 52%
Wind Speed NE 8 mph
Barometer 30.20 in (1022.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 19 Sep 8:56 am EDT
Extended Forecast for

Cos Cob CT

  • Today

    Today: Partly sunny, with a high near 69. Northeast wind 7 to 9 mph becoming east in the afternoon.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Southeast wind around 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 5pm. High near 69. Southeast wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Rain

  • Sunday Night

    Sunday Night: Rain and possibly a thunderstorm before 8pm, then rain likely. Low around 55. Southeast wind 5 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 55 °F

    Rain

  • Monday

    Monday: A 30 percent chance of rain before 8am. Partly sunny, with a high near 67. Northeast wind 9 to 11 mph.

    High: 67 °F

    Chance Rain
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 8am and 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 69. Northeast wind 7 to 9 mph becoming east in the afternoon.
Tonight
Mostly cloudy, with a low around 56. Southeast wind around 6 mph.
Sunday
Rain, with thunderstorms also possible after 5pm. High near 69. Southeast wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain and possibly a thunderstorm before 8pm, then rain likely. Low around 55. Southeast wind 5 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Monday
A 30 percent chance of rain before 8am. Partly sunny, with a high near 67. Northeast wind 9 to 11 mph.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
A chance of showers between 8am and 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Mostly cloudy, with a high near 64.
Wednesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 50.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 63.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cos Cob CT
 41.05°N 73.62°W (Elev. 98 ft)
Last Update:
7:01 am EDT Sep 19, 2026
Forecast Valid:
9am EDT Sep 19, 2026-6pm EDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation