Hazardous Weather Conditions
Current conditions at
New Castle Municipal Airport (KUCP)
Lat: 41.02°NLon: 80.42°WElev: 1072ft.
Fair
86°F
30°C
| Humidity | 65% |
| Wind Speed | Vrbl 7 mph |
| Barometer | 30.00 in (1016.2 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 3 Sep 2:56 pm EDT |
Extended Forecast for
Mercer PA
Flood Watch until September 4, 12:00am
Severe T-storm Watch until September 3, 10:00pm
NOW: Multiple hazards in effect

Click HERE for Details
This Afternoon

High: 87 °F
Severe
ThunderstormsTonight
Low: 67 °F
Severe
Thunderstorms
then Showers
LikelyFriday

High: 82 °F
Showers
Likely and
Patchy FogFriday Night
Low: 63 °F
Chance
T-storms then
Chance
ShowersSaturday
High: 79 °F
Chance
Showers then
Mostly SunnySaturday Night

Low: 54 °F
Mostly Clear
Sunday

High: 78 °F
Sunny
Sunday Night

Low: 54 °F
Mostly Clear
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. Partly sunny, with a high near 87. West wind around 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after 5am. Some of the storms could be severe. Mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 2am, then a chance of showers after 3am. Mostly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of showers, mainly before 7am. Partly sunny, with a high near 79. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 54.
Labor Day
Sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mercer PA
41.23°N 80.25°W (Elev. 1234 ft)
41.23°N 80.25°W (Elev. 1234 ft)
3:06 pm EDT Sep 3, 2026
3pm EDT Sep 3, 2026-6pm EDT Sep 9, 2026



