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

40°F

4°C

Humidity 43%
Wind Speed NW 10 G 22 mph
Barometer 30.24 in (1024.6 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Mar 8:56 pm EDT
Extended Forecast for

Old Greenwich CT

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 47. East wind 7 to 13 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Temperature rising to around 49 by 5am. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F⇑

    Slight Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 58. Breezy, with a south wind 18 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 36. Windy, with a south wind 24 to 31 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Heavy Rain
    and Windy

  • Tuesday

    Tuesday: A 30 percent chance of showers before 8am. Partly sunny, with a high near 40. Breezy.

    High: 40 °F

    Breezy.
    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Breezy.

    Low: 26 °F

    Decreasing
    Clouds and
    Breezy then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 34. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 47. East wind 7 to 13 mph.
Sunday Night
Showers, mainly after 2am. Temperature rising to around 49 by 5am. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 58. Breezy, with a south wind 18 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 36. Windy, with a south wind 24 to 31 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 40. Breezy.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Breezy.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 48.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Greenwich CT
 41.03°N 73.54°W (Elev. 3 ft)
Last Update:
7:50 pm EDT Mar 14, 2026
Forecast Valid:
9pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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