Weather forecast for tomorrow
New Castle, DE

Weather forecast for tomorrow

Wednesday, Jun 25.

PM Thunderstorms
5:34 am

8:35 pm
EDT
PM Thunderstorms
99°F / 77°F
  • Wind: 7mph NW
  • Humidity: 50%
  • Precip. probability: 47%
  • Precipitation: 0.12"
  • UV index: 9
Tomorrow, on Wednesday, showers and thunder will dominate the later part of the day.
Minimal precipitation is forecasted. Anticipated temperatures will peak at a sweltering 98.6°F and dip to a minimum of a warm 77°F.
The maximum heat index, which combines air temperature and relative humidity, is estimated at a burning hot 114.8°F. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The projected high resembles July more than June, matching 84.9°F rather than 80.1°F.
Sunrise will be at 5:34 am and sunset at 8:35 pm; tomorrow's daylight will last for 15h and 1min.

Frequently asked questions

What is the weather forecast for New Castle for tomorrow?
Tomorrow, in New Castle, rumbling thunderstorms could affect the area later in the afternoon.
Will it rain tomorrow?
Tomorrow, there is a low probability of minimal rainfall in New Castle.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 98.6°F, while the minimum temperature will be 77°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at 114.8°F.
The highest temperature will be noticeably higher than the average maximum of 80.1°F in June. The lowest temperature will be also noticeably higher than the average low of 63.1°F.
When is the sunrise / sunset tomorrow?
On Wednesday, in New Castle, sunrise will be at 5:34 am and sunset at 8:35 pm (EDT).
How long will the day be tomorrow?
In New Castle, Delaware, the length of the day tomorrow will be 15h and 1min.

Hourly weather forecast

12 am
  • 84°F
  • Feels like:
    91°F
Clear
Clear
  • Wind: 5mph W
  • Pressure: 30.03"Hg
  • Humidity: 67%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 82°F
  • Feels like:
    88°F
Clear
Clear
  • Wind: 4mph WNW
  • Pressure: 30.03"Hg
  • Humidity: 72%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 81°F
  • Feels like:
    84°F
Clear
Clear
  • Wind: 5mph NW
  • Pressure: 30.03"Hg
  • Humidity: 73%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:34 am
6 am
  • 79°F
  • Feels like:
    84°F
Sunny
Sunny
  • Wind: 4mph NNW
  • Pressure: 30.03"Hg
  • Humidity: 72%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 84°F
  • Feels like:
    91°F
Sunny
Sunny
  • Wind: 4mph NNW
  • Pressure: 30.03"Hg
  • Humidity: 64%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 91°F
  • Feels like:
    100°F
Sunny
Sunny
  • Wind: 5mph NNW
  • Pressure: 30.03"Hg
  • Humidity: 51%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 95°F
  • Feels like:
    104°F
Sunny
Sunny
  • Wind: 6mph NNW
  • Pressure: 30.03"Hg
  • Humidity: 43%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 97°F
  • Feels like:
    106°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph NW
  • Pressure: 30"Hg
  • Humidity: 42%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 97°F
  • Feels like:
    106°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph NW
  • Pressure: 29.97"Hg
  • Humidity: 44%
  • Precip. probability: 41%
  • Precipitation: 0.12"
  • Visibility: 7mi
6 pm
  • 91°F
  • Feels like:
    100°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph W
  • Pressure: 29.97"Hg
  • Humidity: 51%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 88°F
  • Feels like:
    95°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph NW
  • Pressure: 29.97"Hg
  • Humidity: 58%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:35 pm
10 pm
  • 84°F
  • Feels like:
    90°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph NW
  • Pressure: 30"Hg
  • Humidity: 71%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, a combination of sun-filled, gloomy and lightning-active weather is anticipated.
Rain is forecasted at 4 pm and 5 pm. With light precipitation of 0.12", most rainfall is expected at 4 pm.
The temperature will be between the lowest temperature of 78.8°F and the highest temperature of 96.8°F. The feels-like temperature will be between a minimum of 84.2°F and a maximum of 105.8°F. The hottest part of the day will be from 1 pm to 4 pm.
The forecasted high is more consistent with July's typical maximum of 84.9°F than the usual for June. The expected low will be also more similar to what’s common in July than the current June average of 63.1°F.
Updated: Jun 24, 2025 @ 17:46:38 UTC
Published by: Weather Atlas | About Us
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