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

71°F

22°C

Humidity 90%
Wind Speed W 3 mph
Barometer 29.93 in (1012.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 13 Aug 4:56 am EDT
Extended Forecast for

Old Greenwich CT

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Calm wind becoming north around 6 mph after midnight.

    Low: 70 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 86. Northeast wind around 8 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Light southwest wind becoming south 5 to 10 mph in the morning.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.
Thursday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Calm wind becoming north around 6 mph after midnight.
Friday
Sunny, with a high near 86. Northeast wind around 8 mph.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 90.
Sunday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Greenwich CT
 41.04°N 73.56°W (Elev. 66 ft)
Last Update:
4:13 am EDT Aug 13, 2025
Forecast Valid:
5am EDT Aug 13, 2025-6pm EDT Aug 19, 2025
 
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