Newcastle, CA Weather


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The most pleasant months of the year for Newcastle are May, October and April. In Newcastle, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Newcastle with an average high temperature of 93.4°, which ranks it as warmer than most places in California. November is the snowiest month in Newcastle with 0.1 inches of snow, and no months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Today's Weather - Newcastle, CA

8 AM PST

Mostly Sunny then Slight Chance Rain Showers

51°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodayMostly Sunny then Slight Chance Rain Showers67° / 51°S 6 to 10 mph
FridayChance Showers And Thunderstorms65° / 47°SSW 7 mph
SaturdaySunny71° / 49°NNW 3 to 9 mph
SundaySunny73° / 49°SSW 5 to 9 mph
MondaySunny74° / 51°SW 6 to 10 mph
TuesdaySunny77° / 51°S 5 to 10 mph
WednesdaySunny74° / 50°S 7 to 12 mph

Weather Highlights

Summer High: the July high is around 93 degrees
Winter Low: the January low is 39
Rain: averages 32 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Newcastle area is 8.4 (10=best), which means it is more comfortable than most places in California.

8.4 / 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
January55° 39°
February60° 42°
March65° 44°
April70° 47°
May79° 53°
June87° 58°
July93° 62°
August92° 61°
September87° 59°
October77° 53°
November63° 44°
December55° 39°
Hot, Freezing, Rainy, Snowy Days: Newcastle
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03110
February01100
March00100
April0060
May4040
June11020
July21000
August20010
September13020
October2040
November0180
December04110

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 Newcastle
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I’ve lived here for six years, and it’s been an interesting experience to say the least. If you’re liberal, don’t expect many people to outwardly share the same  More

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Over 7 years ago

We settled in Newcastle countryside 16 years ago, and it's been a really beautiful place to live. My only complaint is that it is often hot in the summer from July to  More

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Over 12 years ago

I moved here on August 22, 2012 and I have to say it is one of the most magnificent ecosystems I have ever seen. While the cost of living here is higher than the  More

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