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.

Overcast

49°F

9°C

Humidity 77%
Wind Speed NE 6 mph
Barometer 30.23 in (1025.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 21 May 4:56 am EDT
Extended Forecast for

3 Miles N Portersville PA

  • Overnight

    Overnight: A slight chance of rain. Cloudy, with a low around 48. North wind around 5 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 68. Northeast wind around 7 mph.

    High: 68 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. East wind 5 to 9 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 2pm. Partly sunny, with a high near 68. East wind 10 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain, mainly after 8pm. Low around 48. East wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain Likely
    then Rain

  • Saturday

    Saturday: Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 62. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Overnight
A slight chance of rain. Cloudy, with a low around 48. North wind around 5 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 68. Northeast wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 50. East wind 5 to 9 mph.
Friday
A chance of rain after 2pm. Partly sunny, with a high near 68. East wind 10 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain, mainly after 8pm. Low around 48. East wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 62. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers, mainly before 2am. Low around 53. Chance of precipitation is 80%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Memorial Day
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 82.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Portersville PA
 40.95°N 80.14°W (Elev. 1198 ft)
Last Update:
5:11 am EDT May 21, 2026
Forecast Valid:
5am EDT May 21, 2026-6pm EDT May 27, 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