New Castle County (Newark)
April
Weather in New Castle County, Delaware for April 2026
Your guide to New Castle County weather in April - trends and predictions
Special Weather Statement - See hour by hour.
So far, April 2026 in New Castle County shows a warmer trend than usual by 3.8 °F.
The forecast for the coming days of April 2026 predicts a temperature of 21 °F , which is warmer than usual.
In general, the average temperature in New Castle County at the beginning of April is 14.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.9 °F by the end of April.
New Castle County in April brings notable rainfall, with an average of 17 rainy days and a total precipitation of 147.1 mm.
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Temperatures
Rain 🌧️
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13
Dry days
17
Rainy days
0
Snow days
16°/7°
Temperatures
21 km/h
Avg max wind
70 %
Avg humidity
New Castle County Weather April
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Temperatures trend during April in New Castle County
See the weather trend as well as the moving average line
April weather in New Castle County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Apr. 1 |  Heavy rain | 16° /8° | 23.7 mm | 3 | |
| Apr. 2 |  Overcast | 13° /5° | 14.2 mm | 2 | |
| Apr. 3 |  Light rain shower | 19° /6° | 5.8 mm | 4 | |
| Apr. 4 | Light rain shower | 18° /8° | 3 mm | 4 | |
| Apr. 5 | Patchy rain possible | 14° /7° | 0.1 mm | 2 | |
| Apr. 6 | Patchy rain possible | 11° /3° | 3.5 mm | 4 | |
| Apr. 7 | Patchy rain possible | 9° /2° | 4.2 mm | 3 | |
| Apr. 8 |  Sunny | 12° /1° | 1 mm | 5 | |
| Apr. 9 |  Partly cloudy | 13° /2° | 0 mm | 5 | |
| Apr. 10 | Sunny | 25° /4° | 0 mm | 1.6 | |
| Apr. 11 | Sunny | 18° /9° | 0 mm | 1.6 | |
| Apr. 12 |  Cloudy | 14° /5° | 0 mm | 1.6 | |
| Apr. 13 | Patchy rain possible | 26° /9° | 0.3 mm | 1.1 | |
| Apr. 14 | Sunny | 27° /15° | 0 mm | 0.1 | |
| Apr. 15 | Sunny | 29° /17° | 0 mm | 6 | |
| Apr. 16 | Sunny | 28° /19° | 0 mm | 6 | |
| Apr. 17 | Patchy rain possible | 28° /18° | 0.3 mm | 5 | |
| Apr. 18 | Patchy rain possible | 10° /7° | 2.6 mm | 2 | |
| Apr. 19 | Partly cloudy | 17° /8° | 0 mm | 4 | |
| Apr. 20 | Partly cloudy | 14° /7° | 0 mm | 3 | |
| Apr. 21 |  Moderate rain | 11° /7° | 10.7 mm | 3 | |
| Apr. 22 | Patchy rain possible | 22° /14° | 1.3 mm | 4 | |
| Apr. 23 | Partly cloudy | 25° /11° | 0 mm | 5 | |
| Apr. 24 |  Light drizzle | 21° /9° | 1.2 mm | 6 | |
| Apr. 25 | Partly cloudy | 18° /6° | 0 mm | 5 | |
| Apr. 26 | Sunny | 20° /7° | 20.1 mm | 6 | |
| Apr. 27 | Light drizzle | 17° /6° | 0.3 mm | 5 | |
| Apr. 28 | Patchy rain possible | 24° /8° | 0.2 mm | 6 | |
| Apr. 29 |  Thundery outbreaks possible | 27° /13° | 0 mm | 7 | |
| Apr. 30 | Sunny | 26° /16° | 0 mm | 7 | |
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Important Notice
Our weather forecast for New Castle County in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the New Castle County forecast closer to your planned date for the most up-to-date weather information.
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New Castle County in April - FAQ
What are the expected maximum and minimum temperatures in New Castle County during April?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New Castle County during April?
Significant rainfall exceeding 147.1 mm is expected in New Castle County during April, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New Castle County during April?
The average wind speed in New Castle County during April is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in New Castle County
Explore the daily rainfall trends and prepare for New Castle Countys April weather 💧
Typically, New Castle County has 17 rainy days in April with a total of 147.1 mm of rainfall.
UV exposure in New Castle County during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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Where is New Castle County?Get accurate weather forecasts for New Castle County, located at latitude 39.684 and longitude -75.75. Stay updated with localized weather information tailored for New Castle County.
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