Weather forecast for 10 days
New Castle, PA

Weather forecast for the weekend

Saturday, May 10.

Sunny
6:06 am

8:29 pm
EDT
Sunny
75°F / 45°F
  • Wind: 7mph W
  • Humidity: 33%
  • Precip. probability: 0%
  • Precipitation: 0"
  • UV index: 8
On Saturday, in New Castle, sunny skies and pleasant visibility are expected.
The peak daytime temperature will touch a temperate 75.2°F, while the nighttime temperature will descend to a brisk 44.6°F.
Today's temperature peak is set to be relatively higher than the typical May high of 70.7°F.
Sunrise was at 6:06 am and sunset will be at 8:29 pm; the daylight will last for 14h and 23min.

Sunday, May 11.

Mostly Sunny
6:05 am

8:30 pm
EDT
Mostly Sunny
79°F / 52°F
  • Wind: 4mph NNE
  • Humidity: 49%
  • Precip. probability: 7%
  • Precipitation: 0"
  • UV index: 8
On Sunday, in New Castle, sunshine will prevail for most of the day.
Temperatures are forecasted to move from a peak of a moderately hot 78.8°F to a low of a crisp 51.8°F.
With a forecast of 78.8°F, the day’s weather feels closer to June than May.
Sunrise will be at 6:05 am and sunset at 8:30 pm; tomorrow's daylight will last for 14h and 25min.

Frequently asked questions

What is the weather forecast for New Castle for tomorrow?
Tomorrow, in New Castle, dry and sunny weather is expected throughout the day.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 78.8°F, while the minimum temperature will be 51.8°F.
The highest temperature will be slightly warmer than the average maximum of 70.7°F in May. Tomorrow, the lowest temperature will be in line with the average low temperature.
What time are sunrise and sunset tomorrow?
On Sunday, in New Castle, sunrise will be at 6:05 am and sunset at 8:30 pm (EDT).
How many hours of daylight will New Castle have tomorrow?
Tomorrow, the daylight will last for 14h and 25min.
What is the weather forecast for New Castle for the next ten days?
In New Castle, weather will be unstable, and a combination of gloomy, rain-soaked, sunny and storm-filled weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Tuesday through Friday and next Monday in New Castle. With light precipitation of 0.24", Monday and Tuesday will be the wettest days.
How hot will it be in the next ten days?
The maximum temperature will range between 69.8°F and 84.2°F, as the minimum temperature will vary between 44.6°F and 62.6°F.
What will be the hottest and the coldest days?
With the maximum temperature of 84.2°F, Friday will be the hottest day. With a maximum temperature of 69.8°F, Tuesday and next Monday will be the coldest days.

Long-term weather forecast

SatMay 10.
  • 75°F
  • 45°F
Sunny
Sunny
  • Wind: 7mph W
  • Humidity: 33%
  • UV index: 8
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:06 am 8:29 pm EDT
SunMay 11.
  • 79°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 4mph NNE
  • Humidity: 49%
  • UV index: 8
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:05 am 8:30 pm EDT
MonMay 12.
  • 81°F
  • 61°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph SE
  • Humidity: 49%
  • UV index: 6
  • Precip. probability: 10%
  • Precipitation: 0.24"
  • 6:04 am 8:31 pm EDT
TueMay 13.
  • 70°F
  • 61°F
Showers
Showers
  • Wind: 10mph ESE
  • Humidity: 84%
  • UV index: 3
  • Precip. probability: 53%
  • Precipitation: 0.24"
  • 6:03 am 8:32 pm EDT
WedMay 14.
  • 77°F
  • 59°F
Showers
Showers
  • Wind: 6mph SE
  • Humidity: 74%
  • UV index: 7
  • Precip. probability: 47%
  • Precipitation: 0.16"
  • 6:02 am 8:33 pm EDT
ThuMay 15.
  • 82°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph S
  • Humidity: 69%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0.12"
  • 6:01 am 8:34 pm EDT
FriMay 16.
  • 84°F
  • 61°F
AM Thunderstorms
AM Thunderstorms
  • Wind: 11mph SW
  • Humidity: 63%
  • UV index: 7
  • Precip. probability: 48%
  • Precipitation: 0.12"
  • 6:00 am 8:35 pm EDT
SatMay 17.
  • 77°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WSW
  • Humidity: 61%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:59 am 8:36 pm EDT
SunMay 18.
  • 75°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WNW
  • Humidity: 53%
  • UV index: 8
  • Precip. probability: 21%
  • Precipitation: 0"
  • 5:58 am 8:37 pm EDT
MonMay 19.
  • 70°F
  • 54°F
AM Showers
AM Showers
  • Wind: 8mph WNW
  • Humidity: 70%
  • UV index: 7
  • Precip. probability: 36%
  • Precipitation: 0.12"
  • 5:57 am 8:37 pm EDT
Over the course of the next ten days, expect shifting weather, and a mix of cloudy, damp, sun-filled and lightning-active weather is forecasted.
Rainfall is expected on Tuesday through Friday and next Monday. The days with the most rainfall will be Monday and Tuesday, with light precipitation of 0.24".
Temperature variation will be noticeable in the next ten days. Highs will range from 69.8°F to 84.2°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 44.6°F up to 62.6°F.
Friday will be the hottest day, with a maximum temperature of 84.2°F; the coldest days will be Tuesday and next Monday, with a maximum of 69.8°F.
Updated: May 10, 2025 @ 15:08:00 UTC
Published by: Weather U.S. | About Us
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