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.

A Few Clouds

56°F

13°C

Humidity 44%
Wind Speed NW 13 G 20 mph
Barometer 29.87 in (1011.8 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 21 Mar 2:56 pm EDT
Extended Forecast for

Old Greenwich CT

  • Tonight

    Tonight: Increasing clouds, with a low around 42. North wind 5 to 7 mph becoming southeast after midnight.

    Low: 42 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 40 percent chance of rain after 2pm. Mostly cloudy, with a high near 58. Southwest wind 10 to 13 mph.

    High: 58 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly after 8pm. Low around 41. South wind 9 to 13 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain

  • Monday

    Monday: A 40 percent chance of rain before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 46. North wind around 17 mph.

    High: 46 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. North wind 14 to 18 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 37.

    Low: 37 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 42. North wind 5 to 7 mph becoming southeast after midnight.
Sunday
A 40 percent chance of rain after 2pm. Mostly cloudy, with a high near 58. Southwest wind 10 to 13 mph.
Sunday Night
Rain, mainly after 8pm. Low around 41. South wind 9 to 13 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of rain before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 46. North wind around 17 mph.
Monday Night
Mostly clear, with a low around 32. North wind 14 to 18 mph.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Increasing clouds, with a low around 37.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 49. Breezy. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 42.
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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:
9:57 am EDT Mar 21, 2026
Forecast Valid:
3pm EDT Mar 21, 2026-6pm EDT Mar 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