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

42°F

6°C

Humidity 65%
Wind Speed S 6 mph
Barometer 30.38 in (1029.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 29 Mar 8:56 pm EDT
Extended Forecast for

Old Greenwich CT

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Southwest wind around 9 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 61. Southwest wind 10 to 17 mph.

    High: 61 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 8pm, then a chance of rain after 2am. Mostly cloudy, with a low around 52. Southwest wind around 9 mph. Chance of precipitation is 40%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 68. Southwest wind 8 to 13 mph.

    High: 68 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. Southwest wind around 15 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 74 °F

    Partly Sunny
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then a chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Cloudy, with a low around 42. Breezy. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely
    and Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Southwest wind around 9 mph.
Monday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 61. Southwest wind 10 to 17 mph.
Monday Night
A slight chance of showers before 8pm, then a chance of rain after 2am. Mostly cloudy, with a low around 52. Southwest wind around 9 mph. Chance of precipitation is 40%.
Tuesday
A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 68. Southwest wind 8 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 57. Southwest wind around 15 mph.
Wednesday
Rain likely after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then a chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 54.
Thursday Night
Rain likely, mainly after 2am. Cloudy, with a low around 42. Breezy. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 8am. Cloudy, with a high near 57. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Cloudy, with a low around 43.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 55.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 43.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Greenwich CT
 41.02°N 73.57°W (Elev. 0 ft)
Last Update:
7:43 pm EDT Mar 29, 2026
Forecast Valid:
9pm EDT Mar 29, 2026-6pm EDT Apr 5, 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