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- Weather Observers Needed-Learn More About CoCoRaHS
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- Check Out Our Graphical Hazardous Weather Outlook
- Pennsylvania's Severe Weather Awareness Week | April 13-17, 2026
- Observe down trees, hail, of flooding? We would love to know!
Hazardous Weather Conditions
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 | 29.88 in (1012.7 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 6.00 mi |
| Last update | 16 Apr 8:56 pm EDT |
Extended Forecast for
4 Miles ESE Mercer PA
Tonight
Low: 53 °F
Chance
Showers then
Mostly CloudyFriday
High: 73 °F
Decreasing
CloudsFriday Night
Low: 55 °F
Partly Cloudy
Saturday
High: 77 °F
Chance
Showers then
ShowersSaturday Night
Low: 38 °F
Showers
Sunday
High: 50 °F
Chance
ShowersSunday Night
Low: 28 °F
Partly Cloudy
Monday
High: 45 °F
Mostly Sunny
Monday Night
Low: 28 °F
Mostly Clear
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Mostly cloudy, with a low around 53. West wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind around 6 mph.
Friday Night
Partly cloudy, with a low around 55. Calm wind becoming southeast around 6 mph after midnight.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 77. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 38. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of showers. Partly sunny, with a high near 50. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Mostly sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles ESE Mercer PA
41.2°N 80.16°W (Elev. 1355 ft)
41.2°N 80.16°W (Elev. 1355 ft)
6:51 pm EDT Apr 16, 2026
9pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
