| NWS Forecast for: New Castle DE Issued by: National Weather Service Philadelphia, PA Last Update: 4:11 am EDT Jul 13, 2025 |  |
| Today: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Southeast wind 5 to 10 mph. Chance of precipitation is 20%. Tonight: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Monday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 86. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. Monday Night: Showers and thunderstorms likely, mainly before 8pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%. Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%. Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%. Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%. Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%. Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 30%. Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%. | |
| New Castle DE 39.67°N 75.56°W (Elev. 3 ft) | |
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