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.

Overcast

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in (1015.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 12 Aug 1:56 am EDT
Extended Forecast for

New Castle PA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 62. Southwest wind around 6 mph becoming calm.

    Low: 62 °F

    Areas Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 5pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Areas Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms and
    Patchy Fog
    then Areas
    Fog

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 2pm and 3pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Areas Fog
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 62. Southwest wind around 6 mph becoming calm.
Wednesday
A chance of showers and thunderstorms, mainly after 5pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms between 2pm and 3pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Chance of precipitation is 20%.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 81.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 58.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle PA
 40.99°N 80.34°W (Elev. 889 ft)
Last Update:
2:21 am EDT Aug 12, 2026
Forecast Valid:
2am EDT Aug 12, 2026-6pm EDT Aug 18, 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