Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Summer is around the corner. Here's what AccuWeather is calling for across the U.S. Chevron right
Polar vortex is linked to the next chill, frost coming to the eastern U.S. See the forecast. Chevron right

Newcastle, WY

70°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Newcastle

Wyoming

70°
No results found.
Try searching for a city, zip code or point of interest.
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, WY 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 WinterCast

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

WinterCast

A coating to an inch

Wed, 5/6, 1:00 AM - Wed, 5/6, 2:00 AM

Snow

7 PM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™66°

WindNNW 14 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts21 mph

Humidity20%

Indoor Humidity20% (Dry)

Dew Point26° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling34000 ft

8 PM

64°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™61°

WindN 10 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts17 mph

Humidity26%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

60°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 9 mph

Air QualityFair

Wind Gusts15 mph

Humidity32%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

55°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNE 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity40%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

52°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNE 8 mph

Air QualityFair

Wind Gusts8 mph

Humidity47%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

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 68° with a RealFeel® of 66°, mostly sunny 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

Monday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Polar vortex aftermath to bring chilly May days to Midwest, Northeast

5 hours ago

Weather News

5 killed in small plane crash in Texas, authorities say

1 day ago

Weather News

Camp Mystic halts plans to reopen this summer

1 day ago

Weather Forecasts

High-altitude storm to bring gusty thunderstorms to California

5 hours ago

Severe Weather

After lull, severe storms to re-fire in central US starting Monday

5 hours ago

 More Stories

Featured Stories

Astronomy

May's biggest astronomy events include shooting stars, rare Blue Moon

1 day ago

Recreation

Watch: Yellowstone hot spring erupts twice in 2 days

1 day ago

Severe Weather

First tornado in nearly 2 years confirmed in West Virginia

4 hours ago

Astronomy

SpaceX rocket debris is on a collision course with the moon

2 days ago

Severe Weather

Texas police rescue mom from surging floodwater using jumper cables

2 days ago
World North America United States Wyoming Newcastle

Weather Near Newcastle:

  • Rapid City, SD
  • Sheridan, WY
  • Spearfish, SD
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

...

...

...