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.

Partly Cloudy

70°F

21°C

Humidity 84%
Wind Speed SE 7 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 21 Aug 7:56 pm EDT
Extended Forecast for

Old Greenwich CT

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. Northeast wind around 7 mph.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 73. East wind 5 to 7 mph.

    High: 73 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 68. East wind around 6 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East wind 5 to 8 mph becoming southwest in the afternoon.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. West wind around 8 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. Northeast wind around 7 mph.
Saturday
Mostly cloudy, with a high near 73. East wind 5 to 7 mph.
Saturday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 68. East wind around 6 mph. Chance of precipitation is 40%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East wind 5 to 8 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 66. West wind around 8 mph.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 79.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 69.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 78.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Greenwich CT
 41.03°N 73.54°W (Elev. 3 ft)
Last Update:
8:19 pm EDT Aug 21, 2026
Forecast Valid:
8pm EDT Aug 21, 2026-6pm EDT Aug 28, 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