Weather forecast for 10 days
New Castle, DE

Weather forecast for the weekend

Saturday, May 3.

PM Thunderstorms
5:58 am

7:59 pm
EDT
PM Thunderstorms
84°F / 64°F
  • Wind: 15mph SSW
  • Humidity: 62%
  • Precip. probability: 54%
  • Precipitation: 0.35"
  • UV index: 8
On Saturday, in New Castle, afternoon storms could include thunder and brief downpours.
The chance of precipitation is high. However, the rain will be light. The temperature is anticipated to oscillate between a maximum of a temperate 84.2°F and a minimum of a comfortable 64.4°F.
With a forecast of 84.2°F, the day’s weather feels closer to June than May.
Sunrise will be at 5:58 am and sunset at 7:59 pm; the daylight will last for 14h and 2min.

Sunday, May 4.

Scattered Thunderstorms
5:57 am

8:00 pm
EDT
Scattered Thunderstorms
73°F / 61°F
  • Wind: 11mph S
  • Humidity: 75%
  • Precip. probability: 66%
  • Precipitation: 0.35"
  • UV index: 5
On Sunday, May 4, expect scattered thunderstorms, which could cause brief interruptions in outdoor plans.
The chance of rain is high. However, precipitation will be light. The temperature variation is expected to range from a maximum of a moderately hot 73.4°F to a minimum of a breezy 60.8°F.
The highest temperature on Sunday is anticipated to reflect May's average of 72°F.
Sunrise will be at 5:57 am and sunset at 8:00 pm; the daylight will last for 14h and 4min.

Frequently asked questions

What is the weather forecast for New Castle for Saturday?
On Saturday, expect thunderstorms and downpours in the afternoon.
Will it rain on Saturday?
Light precipitation of 0.35" is anticipated on Saturday. The possibility of rainfall is 54%.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 84.2°F, while the lowest temperature will be 64.4°F.
What is the weather forecast for New Castle for Sunday?
On Sunday, in New Castle, expect scattered thunderstorms, which could cause brief interruptions in outdoor plans.
Will it rain on Sunday?
With a probability of 66%, light precipitation of 0.35" is forecasted on Sunday.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 73.4°F, while the lowest temperature will be 60.8°F.
What is the weather forecast for New Castle for the next ten days?
In New Castle, a combination of cloudy, thunderstorm-prone and rainy weather is expected for the next ten days.
Will it rain in the next ten days?
Rain is predicted for Saturday through next Thursday in New Castle. With high precipitation of 1.02", Monday will be the day with the most rainfall.
How hot will it be in the next ten days in New Castle?
The maximum temperature will range between 68°F and 84.2°F, as the minimum temperature will vary between 50°F and 64.4°F.
What will be the hottest and the coldest days?
With a maximum temperature of 84.2°F, Friday and Saturday will be the hottest days. With a maximum temperature of 68°F, next Friday will be the coldest day.

Long-term weather forecast

ThuMay 1.
  • 77°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph SE
  • Humidity: 37%
  • UV index: 8
  • Precip. probability: 15%
  • Precipitation: 0"
  • 6:00 am 7:57 pm EDT
FriMay 2.
  • 84°F
  • 64°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 14mph SW
  • Humidity: 56%
  • UV index: 7
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:59 am 7:58 pm EDT
SatMay 3.
  • 84°F
  • 64°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 15mph SSW
  • Humidity: 62%
  • UV index: 8
  • Precip. probability: 54%
  • Precipitation: 0.35"
  • 5:58 am 7:59 pm EDT
SunMay 4.
  • 73°F
  • 61°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph S
  • Humidity: 75%
  • UV index: 5
  • Precip. probability: 66%
  • Precipitation: 0.35"
  • 5:57 am 8:00 pm EDT
MonMay 5.
  • 72°F
  • 61°F
Rain
Rain
  • Wind: 14mph ESE
  • Humidity: 81%
  • UV index: 4
  • Precip. probability: 64%
  • Precipitation: 1.02"
  • 5:56 am 8:01 pm EDT
TueMay 6.
  • 75°F
  • 57°F
Thunderstorms
Thunderstorms
  • Wind: 12mph S
  • Humidity: 75%
  • UV index: 6
  • Precip. probability: 65%
  • Precipitation: 0.55"
  • 5:54 am 8:02 pm EDT
WedMay 7.
  • 77°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph W
  • Humidity: 57%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • 5:53 am 8:03 pm EDT
ThuMay 8.
  • 70°F
  • 50°F
PM Showers
PM Showers
  • Wind: 12mph NNW
  • Humidity: 64%
  • UV index: 5
  • Precip. probability: 41%
  • Precipitation: 0.12"
  • 5:52 am 8:04 pm EDT
FriMay 9.
  • 68°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph NNE
  • Humidity: 48%
  • UV index: 8
  • Precip. probability: 22%
  • Precipitation: 0"
  • 5:51 am 8:05 pm EDT
SatMay 10.
  • 75°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph NNW
  • Humidity: 44%
  • UV index: 8
  • Precip. probability: 19%
  • Precipitation: 0"
  • 5:50 am 8:06 pm EDT
For the next ten days, a combination of gloomy, lightning-active and damp weather is anticipated.
Rain is anticipated on Saturday through next Thursday.
The temperature will vary considerably in the upcoming days. Maximum temperatures are forecasted between 68°F and 84.2°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 50°F and 64.4°F.
Friday and Saturday, with the highest temperature of 84.2°F, will be the hottest days in New Castle; expect the coldest day on next Friday with a high of 68°F.
Updated: May 1, 2025 @ 17:12:42 UTC
Published by: Weather U.S. | About Us
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