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

Hazardous Weather Conditions

Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Partly Cloudy

92°F

33°C

Humidity 56%
Wind Speed SW 7 mph
Barometer 30.03 in (1017.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 2 Sep 2:56 pm EDT
Extended Forecast for

New Castle PA

Heat Advisory September 2, 03:30pm until September 2, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 03:30pm until September 2, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 84. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers. Low around 63. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 91. Heat index values as high as 101. Southwest wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 84. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers. Low around 63. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 58.
Labor Day
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle PA
 40.99°N 80.34°W (Elev. 889 ft)
Last Update:
2:21 pm EDT Sep 2, 2026
Forecast Valid:
3pm EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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