National Weather Service Forecast for:
New Castle DE Issued by: National Weather Service Philadelphia, PA |
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Updated: 7:39 pm EDT Jul 3, 2025 | ||||||||||||||||||
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Tonight |
Isolated showers and thunderstorms before 10pm. Mostly clear, with a low around 67. Northwest wind 5 to 10 mph. Chance of precipitation is 20%. |
Independence Day |
Sunny, with a high near 84. Northwest wind 5 to 10 mph. |
Friday Night |
Mostly clear, with a low around 66. Northwest wind around 5 mph becoming northeast after midnight. |
Saturday |
Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. |
Saturday Night |
Partly cloudy, with a low around 68. South wind around 5 mph. |
Sunday |
Sunny, with a high near 87. |
Sunday Night |
Partly cloudy, with a low around 73. |
Monday |
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%. |
Monday Night |
A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%. |
Tuesday |
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 50%. |
Tuesday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%. |
Wednesday |
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%. |
Wednesday Night |
A chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 30%. |
Thursday |
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for New Castle DE.