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

Hazardous Weather Conditions

Current conditions at

White Plains - Westchester County Airport (KHPN)

Lat: 41.06°NLon: 73.7°WElev: 367ft.

Fair

75°F

24°C

Humidity 79%
Wind Speed SE 7 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 1 Aug 8:56 pm EDT
Extended Forecast for

Cos Cob CT

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 84. South wind 5 to 11 mph.

    High: 84 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 69. Southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 82. South wind 6 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms before 11pm, then a chance of showers. Low around 67. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 69. South wind around 5 mph.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 84. South wind 5 to 11 mph.
Sunday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 69. Southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 82. South wind 6 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms before 11pm, then a chance of showers. Low around 67. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 68.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Cos Cob CT
 41.06°N 73.59°W (Elev. 108 ft)
Last Update:
2:00 pm EDT Aug 1, 2026
Forecast Valid:
9pm EDT Aug 1, 2026-6pm EDT Aug 8, 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