Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Hottest day yet as heat wave intensifies in the eastern US. Click for the forecast. Chevron right
4th of July forecast: Where will storms disrupt outdoor plans? Chevron right

Newcastle, CA

62°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Newcastle

California

62°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Newcastle, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today

Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

4 AM

62°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindESE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity70%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

61°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindESE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity72%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

60°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™60°

WindE 6 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts6 mph

Humidity73%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

63°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™63°

WindE 6 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts6 mph

Humidity65%

Indoor Humidity55% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

69°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™67°

WindSSW 5 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts6 mph

Humidity59%

Indoor Humidity59% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

72°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™70°

WindWSW 6 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts7 mph

Humidity53%

Indoor Humidity53% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

76°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™73°

WindWSW 7 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts8 mph

Humidity47%

Indoor Humidity47% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

78°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™76°

WindWSW 7 mph

Air QualityFair

Max UV Index7.7 (Very High)

Wind Gusts8 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

81°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™79°

Heat Index81°

WindW 7 mph

Air QualityFair

Max UV Index10.1 (Very High)

Wind Gusts8 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

83°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™81°

Heat Index82°

WindW 7 mph

Air QualityFair

Max UV Index11.1 (Extreme)

Wind Gusts9 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

85°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™83°

Heat Index83°

WindW 7 mph

Air QualityFair

Max UV Index10.1 (Very High)

Wind Gusts10 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

87°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™84°

Heat Index84°

WindW 6 mph

Air QualityFair

Max UV Index7.7 (Very High)

Wind Gusts10 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

87°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™85°

Heat Index85°

WindWSW 6 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts10 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

88°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™86°

Heat Index85°

WindWSW 6 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts9 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

87°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™85°

Heat Index84°

WindWSW 6 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts9 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

85°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™83°

Heat Index83°

WindWSW 6 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts9 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

82°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™81°

Heat Index81°

WindWSW 5 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts8 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

79°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindS 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

73°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity45%

Indoor Humidity45% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Newcastle

AccuWeather's hourly forecast for Newcastle provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 62° with a RealFeel® of 60°, mostly clear with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Sunday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Fourth of July week furnace: Dangerous heat dome for 250 million

14 minutes ago

Weather News

America 250 events are being canceled, reshaped as heat dome grips US

22 hours ago

Weather Forecasts

Heat furnace to flip from eastern to western U.S. next week

26 minutes ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

USA wins first World Cup knockout match in decades, advances to Round of 16

20 hours ago

Severe Weather

Thunderstorms to circle massive heat furnace into Fourth of July

13 minutes ago

 More Stories

Featured Stories

Astronomy

Asteroid Day marks 1908 impact as scientists ready for new discoveries

2 days ago

Weather News

Chicks fly from nest of famous California eagles Jackie and Shadow

2 days ago

Astronomy

A viral sunset and dueling meteor showers are coming in July

2 days ago

Recreation

Girl survives rabid bat attack after receiving lifesaving treatment

17 hours ago

Weather News

2 climbers scale Empire State Building during dangerous heat wave

1 day ago
World North America United States California Newcastle

Weather Near Newcastle:

  • Modesto, CA
  • Sacramento, CA
  • Stockton, CA
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...