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

70°F

21°C

Humidity 79%
Wind Speed NW 5 mph
Barometer 30.17 in (1021.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 5 Aug 7:56 am EDT
Extended Forecast for

Old Greenwich CT

  • Today

    Today: Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Heat index values as high as 103. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 90 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 72. Southwest wind 3 to 5 mph.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 90. West wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and midnight. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Heat index values as high as 103. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 72. Southwest wind 3 to 5 mph.
Friday
Showers likely and possibly a thunderstorm after 2pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 90. West wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and midnight. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 73.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 72.
Monday
Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 71.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Greenwich CT
 41.04°N 73.56°W (Elev. 66 ft)
Last Update:
5:07 am EDT Aug 5, 2026
Forecast Valid:
8am EDT Aug 5, 2026-6pm EDT Aug 11, 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