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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.
Fair
63°F
17°C
| Humidity | 84% |
| Wind Speed | SW 3 mph |
| Barometer | 29.95 in (1015.2 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 6:56 am EDT |
Extended Forecast for
4 Miles ESE Mercer PA
Today
High: 79 °F
Chance
T-storms then
Showers
LikelyTonight
Low: 61 °F
Showers
LikelyThursday
High: 77 °F
Chance
Showers then
Showers
LikelyThursday Night
Low: 56 °F
Showers
LikelyFriday
High: 71 °F
Chance
ShowersFriday Night
Low: 53 °F
Partly Cloudy
Saturday
High: 79 °F
Chance
Showers then
Showers
LikelySaturday Night
Low: 41 °F
Showers
LikelySunday
High: 54 °F
Chance
Showers
Detailed Forecast
Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 79. Southwest wind 6 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 61. Southwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. Southwest wind 9 to 13 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Southwest wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly before 8am. Partly sunny, with a high near 71. Northwest wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 53.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
Sunday Night
A chance of snow showers before 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 30.
Tuesday
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)
7:36 am EDT Apr 15, 2026
7am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
Additional Resources
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Hourly Weather Forecast
