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

Tropical Storm Isaias in the Gulf; California Heat Continues

Tropical Storm Isaias is forecast to track toward the central U.S. Gulf Coast while strengthening into a hurricane on Thursday. Residents from Louisiana to the Florida Panhandle should closely monitor the latest updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday. Read More >

Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Fair

48°F

9°C

Humidity 80%
Wind Speed S 3 mph
Barometer 29.98 in (1017.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 7 Oct 8:56 am EDT
Extended Forecast for

New Castle Northwest PA

  • Today

    Today: Sunny, with a high near 73. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southwest wind 3 to 6 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Light northwest wind.

    High: 69 °F

    Sunny

  • Friday Night

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

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

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

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 73. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 48. Southwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 70. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 41. Calm wind.
Friday
Sunny, with a high near 69. Light northwest wind.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle Northwest PA
 41.02°N 80.34°W (Elev. 961 ft)
Last Update:
6:56 am EDT Oct 7, 2026
Forecast Valid:
9am EDT Oct 7, 2026-6pm EDT Oct 13, 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