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.

Partly Cloudy

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 29.94 in (1012.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Jul 11:56 pm EDT
Extended Forecast for

Norwalk CT

Heat Advisory July 17, 12:26am until July 17, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 17, 12:26am until July 17, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Overnight

    Low: 74 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 11am. Partly sunny, with a high near 90. Heat index values as high as 99. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Northwest wind 8 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85. Northwest wind 9 to 11 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. North wind around 6 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 74. Southwest wind around 5 mph.
Thursday
Showers and thunderstorms likely, mainly before 11am. Partly sunny, with a high near 90. Heat index values as high as 99. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 71. Northwest wind 8 to 10 mph.
Friday
Sunny, with a high near 85. Northwest wind 9 to 11 mph.
Friday Night
Mostly clear, with a low around 65. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Partly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Norwalk CT
 41.09°N 73.44°W (Elev. 98 ft)
Last Update:
2:07 pm EDT Jul 16, 2025
Forecast Valid:
12am EDT Jul 17, 2025-6pm EDT Jul 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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