National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

White Plains - Westchester County Airport (KHPN)

Lat: 41.06°NLon: 73.7°WElev: 367ft.

A Few Clouds

35°F

2°C

Humidity 78%
Wind Speed W 3 mph
Barometer 30.09 in (1019.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 20 Apr 5:56 am EDT
Extended Forecast for

Greenwich CT

Frost Advisory April 20, 06:41am until April 20, 08:00am
Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
...
Freeze Warning
  •  
    Frost Advisory April 20, 06:41am until April 20, 08:00am

    NOW until 8:00am Mon

    Frost Advisory

  • Today

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 30. Wind chill values between 25 and 30. Northwest wind around 9 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. Wind chill values between 25 and 35 early. North wind around 6 mph becoming light and variable.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 2am. Increasing clouds, with a low around 39. South wind around 8 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 59. South wind around 7 mph.

    High: 59 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of rain and snow showers before 9am, then a slight chance of rain showers between 9am and 2pm. Areas of frost before 7am. Otherwise, increasing clouds, with a high near 51. Light west wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 30. Wind chill values between 25 and 30. Northwest wind around 9 mph.
Tuesday
Sunny, with a high near 53. Wind chill values between 25 and 35 early. North wind around 6 mph becoming light and variable.
Tuesday Night
A 30 percent chance of showers after 2am. Increasing clouds, with a low around 39. South wind around 8 mph.
Wednesday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 59. South wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 64.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 45.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 58.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenwich CT
 41.07°N 73.65°W (Elev. 279 ft)
Last Update:
6:13 am EDT Apr 20, 2026
Forecast Valid:
6am EDT Apr 20, 2026-6pm EDT Apr 26, 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