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.

Light Rain

50°F

10°C

Humidity 86%
Wind Speed N 6 mph
Barometer 30.23 in (1025.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 20 May 9:56 pm EDT
Extended Forecast for

3 Miles NNW Slippery Rock PA

  • Tonight

    Tonight: Cloudy, with a low around 47. North wind around 6 mph.

    Low: 47 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Northeast wind around 7 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 48. East wind 5 to 8 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 69. East wind 11 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 8pm. Low around 48. East wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Tonight
Cloudy, with a low around 47. North wind around 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Northeast wind around 7 mph.
Thursday Night
Increasing clouds, with a low around 48. East wind 5 to 8 mph.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 69. East wind 11 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers, mainly after 8pm. Low around 48. East wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 56. Chance of precipitation is 80%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Slippery Rock PA
 41.1°N 80.09°W (Elev. 1266 ft)
Last Update:
7:01 pm EDT May 20, 2026
Forecast Valid:
10pm EDT May 20, 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