New Castle, DE Weather Forecast and Current Conditions
| Day | Sky | High / Low | Precip | Wind | Humidity | |
|---|---|---|---|---|---|---|
|
Mon Aug 10 |
 |
Mostly Sunny Close Hourly |
91º / 71º | 15% | W 11 mph | 63% |
| 8am | |
Mostly Sunny | 77º | 2% | WNW 0 mph | 80% |
| 9am | |
Mostly Sunny | 81º | 1% | WNW 2 mph | 70% |
| 10am |  |
Partly Cloudy | 84º | 1% | W 3 mph | 62% |
| 11am | |
Partly Cloudy | 87º | 1% | WSW 6 mph | 56% |
| 12pm | |
Mostly Sunny | 88º | 2% | WSW 6 mph | 52% |
| 1pm | |
Mostly Sunny | 88º | 2% | WSW 8 mph | 53% |
| 2pm | |
Partly Cloudy | 90º | 2% | WSW 9 mph | 51% |
| 3pm | |
Partly Cloudy | 90º | 9% | WSW 9 mph | 54% |
| 4pm | |
Partly Cloudy | 88º | 16% | WSW 11 mph | 57% |
| 5pm | |
Partly Cloudy | 88º | 13% | SW 9 mph | 59% |
| 6pm |  |
Mostly Cloudy | 85º | 12% | W 9 mph | 64% |
| 7pm |  |
Cloudy | 83º | 24% | WSW 8 mph | 69% |
| 8pm |  |
Scattered Thunderstorms | 80º | 55% | WSW 7 mph | 76% |
| 9pm |  |
Thunderstorms | 77º | 61% | WSW 7 mph | 84% |
| 10pm |  |
Isolated Thunderstorms | 76º | 33% | WSW 7 mph | 87% |
| 11pm |  |
Mostly Cloudy | 75º | 24% | W 5 mph | 92% |
|
Tue Aug 11 |
|
Partly Cloudy View Hourly |
88º / 70º | 24% | WNW 9 mph | 71% |
| 12am | |
Mostly Cloudy | 74º | 15% | W 6 mph | 92% |
| 1am | |
Mostly Cloudy | 73º | 22% | W 5 mph | 94% |
| 2am |  |
Partly Cloudy | 73º | 8% | W 5 mph | 95% |
| 3am | |
Partly Cloudy | 73º | 18% | W 5 mph | 95% |
| 4am | |
Partly Cloudy | 73º | 18% | WNW 6 mph | 95% |
| 5am | |
Partly Cloudy | 72º | 24% | WNW 6 mph | 94% |
| 6am | |
Partly Cloudy | 72º | 12% | WNW 6 mph | 93% |
| 7am | |
Partly Cloudy | 72º | 7% | WNW 6 mph | 94% |
| 8am | |
Partly Cloudy | 75º | 6% | WNW 6 mph | 86% |
| 9am | |
Partly Cloudy | 78º | 5% | WNW 7 mph | 80% |
| 10am | |
Partly Cloudy | 81º | 4% | WNW 7 mph | 73% |
| 11am | |
Partly Cloudy | 83º | 3% | WNW 8 mph | 67% |
| 12pm | |
Partly Cloudy | 85º | 6% | WNW 7 mph | 63% |
| 1pm | |
Partly Cloudy | 86º | 5% | W 9 mph | 61% |
| 2pm | |
Partly Cloudy | 87º | 15% | W 9 mph | 59% |
| 3pm | |
Mostly Cloudy | 87º | 24% | W 8 mph | 62% |
| 4pm | |
Mostly Cloudy | 85º | 23% | W 9 mph | 67% |
| 5pm | |
Mostly Cloudy | 85º | 24% | WSW 9 mph | 69% |
| 6pm | |
Scattered Thunderstorms | 83º | 39% | W 8 mph | 72% |
| 7pm | |
Scattered Thunderstorms | 81º | 38% | W 7 mph | 74% |
| 8pm | |
Cloudy | 80º | 15% | WSW 6 mph | 76% |
| 9pm | |
Mostly Cloudy | 78º | 24% | WSW 6 mph | 80% |
| 10pm |  |
Few Showers | 76º | 30% | W 8 mph | 83% |
| 11pm | |
Mostly Cloudy | 75º | 24% | W 5 mph | 87% |
|
Wed Aug 12 |
 |
AM Showers View Hourly |
88º / 70º | 35% | NW 7 mph | 68% |
| 12am | |
Mostly Cloudy | 74º | 24% | W 5 mph | 90% |
| 1am | |
Partly Cloudy | 74º | 22% | W 5 mph | 90% |
| 2am | |
Partly Cloudy | 73º | 24% | WNW 5 mph | 92% |
| 3am | |
Mostly Cloudy | 73º | 24% | WNW 4 mph | 94% |
| 4am | |
Mostly Cloudy | 72º | 20% | WNW 4 mph | 95% |
| 5am | |
Isolated Thunderstorms | 72º | 30% | NW 4 mph | 94% |
| 6am | |
Mostly Cloudy | 71º | 24% | NW 4 mph | 95% |
| 7am | |
Few Showers | 72º | 33% | NNW 4 mph | 94% |
|
Thu Aug 13 |
|
Partly Cloudy | 89º / 72º | 24% | W 8 mph | 65% |
|
Fri Aug 14 |
|
AM Showers | 85º / 67º | 47% | NNW 7 mph | 67% |
|
Sat Aug 15 |
|
Partly Cloudy | 85º / 67º | 5% | ENE 8 mph | 53% |
|
Sun Aug 16 |
|
PM Thunderstorms | 83º / 71º | 58% | S 10 mph | 70% |
|
Mon Aug 17 |
|
Partly Cloudy | 88º / 68º | 24% | W 11 mph | 70% |
-
Buoy Data
For New Castle, DE -
Wind Forecast
In New Castle, DE -
Radar
In New Castle, DE -
Marine Forecast
In New Castle, DE
Weather Radar for New Castle, DE See Radar
* Playback displays weather for the past 6 hours.
NOAA Weather Marine Forecast for New Castle, DE
Today
High : 91ºF
Variable winds less than 5 kt becoming WSW 5 to 10 kt in the afternoon. Showers and thunderstorms likely, mainly after 5pm. Waves 1 ft or less.
Variable winds less than 5 kt becoming WSW 5 to 10 kt in the afternoon. Showers and thunderstorms likely, mainly after 5pm. Waves 1 ft or less.
Tonight
Low : 74ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 11pm. Waves 1 ft or less.
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 11pm. Waves 1 ft or less.
Tuesday
High : 88ºF
WNW wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 4pm. Waves 1 ft or less.
WNW wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 4pm. Waves 1 ft or less.
Tuesday Night
Low : 72ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.
Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.
Wednesday
High : 86ºF
Variable winds 5 kt or less. A slight chance of showers after 2pm. Waves 1 ft or less.
Variable winds 5 kt or less. A slight chance of showers after 2pm. Waves 1 ft or less.
Wednesday Night
Low : 72ºF
Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2am. Waves 1 ft or less.
Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2am. Waves 1 ft or less.
Thursday
High : 87ºF
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Thursday Night
Low : 72ºF
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Friday
High : 84ºF
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
NOAA Buoy Data Near New Castle, DE See Map
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Wind Speed Forecast for New Castle, DE
| Monday | Tuesday | Wednesday | ||||||||||
| Wind Speed (MPH) | 0 | 6 | 11 | 7 | 6 | 6 | 6 | 7 | 9 | 6 | 5 | 4 |
| 12pm | 4pm | 8pm | 12am | 4am | 8am | 12pm | 4pm | 8pm | 12am | 4am | 8am | |
| MPH | 0 | 6 | 11 | 7 | 6 | 6 | 6 | 7 | 9 | 6 | 5 | 4 |
| DIR | WNW | WSW | WSW | WSW | W | WNW | WNW | WNW | W | WSW | W | WNW |
Current Weather Conditions In New Castle, DE
As Of: 17 minutes ago
- 77ºF
- 77ºF
- 0mph
- 0º (WNW)
- 0mph
- Mostly Sunny
- 10mi
- 30.02"
- 80%
- 0ºF
The weather right now in New Castle, DE is Mostly Sunny. The current temperature is 77°F, and the expected high and low for today, Monday, August 10, 2026, are 91° high temperature and 71°F low temperature. The wind is currently blowing at 0 miles per hour, and coming from the West Northwest. The wind is gusting to 0 mph. With the wind and the atmosphere the temperature feels like 77° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 80 percent, and air pressure at 30.02 in. Visibility is 10 nautical miles. There are no current weather alert(s).
