For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Arthur unleashes life-threatening flooding across Gulf Coast. Click for the forecast.

Arnold, MT

Location

Location News Videos

Use Current Location

Recent

Arnold

Montana

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.

Have an account already? Log In

settings

Arnold, 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

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

2 PM

76°

RealFeel® 82°

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.

0%

Partly sunny

RealFeel Shade™73°

WindWNW 9 mph

Air QualityFair

Max UV Index9.3 (Very High)

Wind Gusts13 mph

Humidity24%

Indoor Humidity24% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling32800 ft

3 PM

77°

RealFeel® 82°

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.

0%

Mostly sunny

RealFeel Shade™74°

WindWNW 10 mph

Air QualityFair

Max UV Index7.3 (High)

Wind Gusts15 mph

Humidity21%

Indoor Humidity21% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

78°

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™75°

WindNW 10 mph

Air QualityFair

Max UV Index5.1 (Moderate)

Wind Gusts17 mph

Humidity20%

Indoor Humidity20% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

80°

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™76°

WindN 10 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts18 mph

Humidity20%

Indoor Humidity20% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

78°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™75°

WindN 10 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts20 mph

Humidity21%

Indoor Humidity21% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

76°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™73°

WindNNE 10 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts21 mph

Humidity24%

Indoor Humidity24% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

74°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™71°

WindNNE 10 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts22 mph

Humidity28%

Indoor Humidity28% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

69°

RealFeel® 66°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™66°

WindNNE 9 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts22 mph

Humidity36%

Indoor Humidity36% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

63°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Mostly clear

WindNNE 8 mph

Air QualityFair

Wind Gusts17 mph

Humidity46%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

59°

RealFeel® 57°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Mostly clear

WindNE 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity55%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Arnold

AccuWeather's hourly forecast for Arnold provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 76° with a RealFeel® of 82°, partly 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

Saturday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Arthur raises risk of life-threatening flooding across Gulf Coast

2 hours ago

Severe Weather

Tornadoes, winds rip through Illinois causing widespread damage

1 hour ago

Severe Weather

Severe storms to deliver strong winds, flash flooding on Thursday

49 minutes ago

Weather News

Tropical Storm Arthur swamps cars in Texas as flood threat escalates

1 hour ago

Live: World Cup 2026 weather updates

LATEST ENTRY

Boston World Cup Fan Festival closes ahead of thunderstorms

16 minutes ago

Featured Stories

Weather News

South Florida wildfire sending smoke into nearby communities

4 hours ago

Recreation

Black bear injures teen on Washington trail

2 hours ago

Astronomy

Meteorological summer vs. astronomical summer explained

6 hours ago

Recreation

Free climber dies after falling into volcanic crater in Yemen

1 day ago

Health

Pickle is the pumpkin spice of summer

2 days ago

World North America United States Montana Arnold

Weather Near Arnold:

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

...

...

...