Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Northeast weather to feel more like Thanksgiving than Memorial Day. See the temp forecast. Chevron right

Boulder, MT

71°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Boulder

Montana

71°
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
Boulder, MT 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

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

May 23 - June 6

Sat 5/23

73° /43°
0%
Partly sunny and pleasant

RealFeel®75°

RealFeel Shade™70°

Max UV Index9.0 (Very High)

WindW 8 mph

Sun 5/24

81° /44°
55%
Partly sunny and very warm; a thundershower in spots in the afternoon; outdoor plans can be impacted

RealFeel®83°

RealFeel Shade™78°

Max UV Index9.0 (Very High)

WindW 9 mph

Hours of Precipitation0.5

Hours of Rain0.5

Mon 5/25

83° /50°
25%
Partly sunny and very warm

RealFeel®86°

RealFeel Shade™80°

Max UV Index9.0 (Very High)

WindS 9 mph

Tue 5/26

74° /47°
74%
Cloudy and not as warm; a couple of afternoon showers

RealFeel®74°

RealFeel Shade™71°

Max UV Index3.0 (Moderate)

WindSE 8 mph

Hours of Precipitation2

Hours of Rain2

Wed 5/27

64° /46°
62%
Cloudy and cooler; a couple of afternoon thundershowers

RealFeel®65°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindN 9 mph

Hours of Precipitation2

Hours of Rain2

Thu 5/28

72° /46°
55%
Mostly cloudy and warmer; a thundershower in a couple of spots in the afternoon

RealFeel®78°

RealFeel Shade™69°

Max UV Index7.0 (High)

WindE 6 mph

Hours of Precipitation1.5

Hours of Rain1.5

Fri 5/29

72° /46°
63%
Mostly cloudy with occasional rain in the afternoon

RealFeel®79°

RealFeel Shade™69°

Max UV Index6.0 (High)

WindSSE 6 mph

Hours of Precipitation1

Hours of Rain1

Sat 5/30

73° /44°
67%
Variable clouds with showers and thunderstorms

RealFeel®79°

RealFeel Shade™72°

Max UV Index5.0 (Moderate)

WindN 1 mph

Hours of Precipitation4.5

Hours of Rain4.5

Sun 5/31

72° /43°
58%
Variable clouds with a couple of thundershowers in the afternoon

RealFeel®78°

RealFeel Shade™70°

Max UV Index10.0 (Very High)

WindS 4 mph

Hours of Precipitation1

Hours of Rain1

Mon 6/1

75° /45°
59%
Intervals of clouds and sunshine with a couple of thundershowers in the afternoon

RealFeel®81°

RealFeel Shade™73°

Max UV Index10.0 (Very High)

WindSE 2 mph

Hours of Precipitation1

Hours of Rain1

Tue 6/2

80° /48°
55%
Partly sunny and very warm; a thundershower in spots in the afternoon

RealFeel®86°

RealFeel Shade™79°

Max UV Index10.0 (Very High)

WindENE 1 mph

Hours of Precipitation1

Hours of Rain1

Wed 6/3

82° /50°
58%
Very warm with intervals of clouds and sunshine; a couple of thundershowers in the afternoon

RealFeel®87°

RealFeel Shade™80°

Max UV Index10.0 (Very High)

WindSSW 2 mph

Hours of Precipitation1

Hours of Rain1

Thu 6/4

81° /45°
2%
Sunny to partly cloudy and remaining warm

RealFeel®82°

RealFeel Shade™77°

Max UV Index10.0 (Very High)

WindW 8 mph

Fri 6/5

67° /41°
57%
Cloudy and cooler; a little morning rain followed by a couple of showers in the afternoon

RealFeel®69°

RealFeel Shade™68°

Max UV Index3.0 (Moderate)

WindWNW 2 mph

Hours of Precipitation2

Hours of Rain2

Sat 6/6

73° /45°
10%
Mostly sunny and warmer

RealFeel®80°

RealFeel Shade™71°

Max UV Index10.0 (Very High)

WindNNW 4 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Drenching, gusty storms will put damper on plans in Southeast, Plains

3 hours ago

Weather News

Southern California fires threaten homes and former nuclear site

1 day ago

Weather Forecasts

It will feel more like Thanksgiving than Memorial Day in the Northeast

3 hours ago

Hurricane

Hurricane season hasn't started, but one area is already being watched

3 hours ago

Weather News

State of Emergency declared for Utah drought after 'no-pack' winter

1 day ago

 More Stories

Featured Stories

Astronomy

SpaceX unleashes upgraded Starship rocket in 12th test flight

20 hours ago

Health

Melanoma survivor shares warning for Don’t Fry Day: ‘I changed everyth...

1 day ago

Travel

Waymo recalls robotaxi fleet after one drove into Texas floodwaters

2 days ago

Recreation

It’s nearly Memorial Day, but this national park just had a snowstorm

3 days ago

Astronomy

Neptune’s moon Nereid may be survivor from ancient cosmic shake-up

2 days ago
World North America United States Montana Boulder

Weather Near Boulder:

  • Anaconda, MT
  • Bozeman, MT
  • Butte, MT
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

...

...

...