7-Day Forecast 39.67°N 75.56°W (Text-Only)
NWS Forecast for: New Castle DE
Issued by: National Weather Service Philadelphia, PA
Last Update: 7:10 pm EDT May 6, 2024




Tonight: A chance of showers, mainly after 10pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 61. South wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: A slight chance of showers between noon and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Northeast wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.

Tuesday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 62. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 83. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A chance of showers after 2am. Partly cloudy, with a low around 63. West wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 75. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 58. Chance of precipitation is 80%.

Friday: A chance of showers after 8am. Partly sunny, with a high near 67. Chance of precipitation is 40%.

Friday Night: Partly cloudy, with a low around 51.

Saturday: Mostly sunny, with a high near 65.

Saturday Night: Partly cloudy, with a low around 51.

Sunday: A chance of showers. Mostly sunny, with a high near 66. Chance of precipitation is 30%.

Sunday Night: A chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 30%.

Monday: A chance of showers. Mostly sunny, with a high near 71. Chance of precipitation is 30%.



New Castle DE
 39.67°N 75.56°W (Elev. 3 ft)

Visit your local NWS office at: https://www.weather.gov/phi/