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.

Fog/Mist

43°F

6°C

Humidity 89%
Wind Speed Calm
Barometer 29.74 in (1007.2 mb)
Dewpoint 40°F (4°C)
Visibility 3.00 mi
Last update 21 Mar 1:56 am EDT
Extended Forecast for

Old Greenwich CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. West wind around 8 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54. North wind 8 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 42. Northeast wind around 6 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 61. Southwest wind 8 to 10 mph.

    High: 61 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly after 8pm. Low around 40. Southwest wind 8 to 10 mph becoming north in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Monday

    Monday: A 40 percent chance of rain before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. West wind around 8 mph.
Saturday
Mostly sunny, with a high near 54. North wind 8 to 10 mph.
Saturday Night
Increasing clouds, with a low around 42. Northeast wind around 6 mph becoming southeast after midnight.
Sunday
A 40 percent chance of rain after 2pm. Mostly cloudy, with a high near 61. Southwest wind 8 to 10 mph.
Sunday Night
Rain, mainly after 8pm. Low around 40. Southwest wind 8 to 10 mph becoming north in the evening. 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 48.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly cloudy, with a high near 50.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 51. Breezy. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Greenwich CT
 41.02°N 73.57°W (Elev. 0 ft)
Last Update:
2:34 am EDT Mar 21, 2026
Forecast Valid:
3am EDT Mar 21, 2026-6pm EDT Mar 27, 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