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- Weather Observers Needed-Learn More About CoCoRaHS
- The Growing Season Active for much of eastern OH, northern WV and southwestern PA
- 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
66°F
19°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 29.94 in (1014.9 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 14 Apr 7:56 pm EDT |
Extended Forecast for
4 Miles ESE Mercer PA
Tonight
Low: 62 °F
Chance
T-storms then
Showers
LikelyWednesday
High: 80 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 61 °F
Showers
Likely then
Chance
T-stormsThursday
High: 78 °F
Slight Chance
Showers then
Showers
LikelyThursday Night

Low: 57 °F
Showers
LikelyFriday

High: 71 °F
Chance
ShowersFriday Night

Low: 53 °F
Partly Cloudy
Saturday
High: 79 °F
Partly Sunny
then Showers
LikelySaturday Night

Low: 42 °F
Showers
Likely
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 62. South wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Southwest wind 10 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 61. Southwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Southwest wind 9 to 13 mph. Chance of precipitation is 60%. 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 before 2am, then a chance of showers. Mostly cloudy, with a low around 57. Southwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly before 2pm. Partly sunny, with a high near 71. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Showers likely after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 56.
Additional Forecasts and Information
Basemap Options
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ABOUT 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 pm EDT Apr 14, 2026
8pm EDT Apr 14, 2026-6pm EDT Apr 21, 2026



