New Castle, PA Weather


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The most pleasant months of the year for New Castle are June, September and August. In New Castle, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for New Castle with an average high temperature of 82.8°, which ranks it as about average compared to other places in Pennsylvania. January is the snowiest month in New Castle with 11.1 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though it is still relatively mild compared to many other places.

Today's Weather - New Castle, PA

4 AM PST

Sunny

62°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodaySunny86° / 61°SW 6 to 12 mph
TuesdayShowers And Thunderstorms73° / 51°SW 5 to 10 mph
WednesdaySunny78° / 55°W 5 to 8 mph
ThursdaySunny82° / 59°S 6 to 10 mph
FridayChance Rain Showers84° / 60°S 9 to 15 mph
SaturdayShowers And Thunderstorms Likely74° / 53°SW 13 mph
SundayChance Rain Showers then Mostly Sunny76° / 53°S 9 to 13 mph

Weather Highlights

Summer High: the July high is around 83 degrees
Winter Low: the January low is 18
Rain: averages 41 inches of rain a year
Snow: averages 35 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the New Castle area is 9 (10=best), which means it is more comfortable than most places in Pennsylvania.

9 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January35° 18°
February38° 19°
March48° 26°
April61° 36°
May71° 46°
June79° 55°
July83° 59°
August82° 58°
September75° 51°
October63° 40°
November51° 32°
December39° 23°
Hot, Freezing, Rainy, Snowy Days: New Castle
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January027159
February025126
March023134
April012141
May02140
June20130
July30110
August30100
September10110
October06120
November016132
December025156

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

Reviews for New Castle
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Over 11 years ago

Climate is average. Winters can last a little longer than average, and summers can be warmer than  More

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Over 18 years ago

Overall, New Castle has a small,friendly community. There are not a lot of jobs there. Most people work in the Pittsburgh. It is easy to afford a home. Similar to  More

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