Weather forecast for: New Castle PA
Last Update: 2:22 pm EDT Sep 20, 2026
This Afternoon: Showers likely, mainly before 4pm. Mostly cloudy, with a high near 73. North wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight: A chance of showers, mainly after 5am. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 54. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Monday: Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Cloudy, with a high near 67. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night: Showers likely, mainly after 5am. Cloudy, with a low around 53. Northeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. East wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night: Showers likely, mainly after 2am. Cloudy, with a low around 52. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Wednesday Night: A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Thursday: A chance of showers before 2pm. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Thursday Night: Partly cloudy, with a low around 47.
Friday: Mostly sunny, with a high near 70.
Friday Night: Partly cloudy, with a low around 46.
Saturday: Mostly sunny, with a high near 73.