
Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.
Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >
Hazardous Weather Conditions
Current conditions at
New Castle Municipal Airport (KUCP)
Lat: 41.02°NLon: 80.42°WElev: 1072ft.
Fair
53°F
12°C
| Humidity | 86% |
| Wind Speed | NE 8 mph |
| Barometer | 30.21 in (1024.6 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 15 Oct 8:56 am EDT |
Extended Forecast for
Mercer PA
Today

High: 70 °F
Mostly Cloudy
Tonight
Low: 61 °F
Scattered
Showers then
ShowersFriday

High: 69 °F⇓
Showers
Friday Night

Low: 36 °F
Showers
LikelySaturday

High: 50 °F
Mostly Sunny
Saturday Night

Low: 31 °F
Frost
Sunday

High: 60 °F
Frost then
SunnySunday Night

Low: 34 °F
Mostly Clear
Monday

High: 64 °F
Sunny
Detailed Forecast
Today
Sunny early, then becoming mostly cloudy, with a high near 70. Southeast wind around 7 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then scattered showers and thunderstorms after 4am. Low around 61. Southeast wind 7 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms before 2pm, then showers likely. Temperature falling to around 57 by 5pm. West wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely before 2am. Mostly cloudy, with a low around 36. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 50. North wind 13 to 15 mph.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31.
Sunday
Widespread frost before 8am. Otherwise, sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 65.
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)
7:46 am EDT Oct 15, 2026
9am EDT Oct 15, 2026-6pm EDT Oct 21, 2026



