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.

Mostly Cloudy

71°F

22°C

Humidity 90%
Wind Speed E 5 mph
Barometer 30.17 in (1021.1 mb)
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 16 Aug 5:56 am EDT
Extended Forecast for

Old Greenwich CT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Cloudy through mid morning, then gradual clearing, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 71. South wind around 7 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 97. Southwest wind around 7 mph.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Mostly cloudy, with a low around 67. Southwest wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers. Partly sunny, with a high near 77. Northeast wind 9 to 11 mph.

    High: 77 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers before 2pm. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Cloudy through mid morning, then gradual clearing, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 71. South wind around 7 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 97. Southwest wind around 7 mph.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Mostly cloudy, with a low around 67. Southwest wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 77. Northeast wind 9 to 11 mph.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 65.
Wednesday
A 40 percent chance of showers before 2pm. Partly sunny, with a high near 78.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Sunny, with a high near 82.
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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:
6:08 am EDT Aug 16, 2025
Forecast Valid:
6am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
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