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

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.85 in (1010.5 mb)
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Last update 17 Aug 10:56 pm EDT
Extended Forecast for

Port Chester NY

  • Tonight

    Tonight: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 69. Light north wind.

    Low: 69 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 86. North wind around 6 mph.

    High: 86 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Light north wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. Southwest wind 3 to 6 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers after 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 69. Light north wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 86. North wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 67. Light north wind.
Wednesday
Sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 70. Southwest wind 3 to 6 mph.
Thursday
A 50 percent chance of showers after 2pm. Mostly sunny, with a high near 83.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 64.
Friday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 65.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 79.
Saturday Night
Showers likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
Showers likely. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Sunday Night
Showers likely. Partly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Chester NY
 41.01°N 73.66°W (Elev. 16 ft)
Last Update:
4:44 pm EDT Aug 17, 2026
Forecast Valid:
11pm EDT Aug 17, 2026-6pm EDT Aug 24, 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