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

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Fog/Mist

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in (1016.3 mb)
Dewpoint 60°F (16°C)
Visibility 5.00 mi
Last update 27 May 5:56 am EDT
Extended Forecast for

New Castle Northwest PA

  • Today

    Today: Mostly cloudy, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 74. Light north wind increasing to 6 to 11 mph in the morning.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. North wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 74. Light north wind increasing to 6 to 11 mph in the morning.
Thursday Night
Mostly clear, with a low around 48. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 49.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.04°N 80.36°W (Elev. 994 ft)
Last Update:
2:21 am EDT May 27, 2026
Forecast Valid:
6am EDT May 27, 2026-6pm EDT Jun 2, 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