Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Next week to bring another uptick in temps, humidity in the Northeast. Get the forecast. Chevron right

St. Marys, MT

55°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Marys

Montana

55°
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
St. Marys, 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
Saturday, June 6

Day

6/6
57°Hi
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Rather cloudy

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™6 (Medium)

WindSW 10 mph

Wind Gusts25 mph

Probability of Precipitation60%

Probability of Thunderstorms12%

Precipitation0.04 in

Rain0.04 in

Hours of Precipitation2

Hours of Rain2

Cloud Cover69%

Morning

Afternoon

Night

6/6
39°Lo
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
Partly cloudy

WindWSW 10 mph

Wind Gusts18 mph

Probability of Precipitation25%

Probability of Thunderstorms3%

Precipitation0.00 in

Cloud Cover45%

Evening

Overnight

Sun & Moon

16 hrs 01 mins
Rise 5:32 AM
Set 9:33 PM
Waning Gibbous
Rise 1:25 AM
Set 11:24 AM

Temperature History

6/6
High
Low
Forecast
57°
39°
Average
64°
39°
Last Year
68°
47°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Relief is coming to Northeast, but heat and humidity to bounce back

6 hours ago

Hurricane

More tropical activity brewing in the eastern Pacific after Amanda

5 hours ago

Weather News

Outer Banks home collapses into ocean for first time in months

2 days ago

Weather Forecasts

Torrential downpours to raise flash flood risk in south-central US

7 hours ago

Recreation

Firefly season is here: When to watch for summer’s flashing lights

1 day ago

 More Stories

Featured Stories

Health

Why Google wants to release 32 million mosquitoes in 2 states

1 day ago

Weather News

These trees can 'hold their breath' when volcanoes erupt in Hawaii

1 day ago

Astronomy

Sunset after 9pm: Why the sun, clock don't align around the solstice

1 day ago

Astronomy

Venus, Jupiter to shine incredibly close for 2 nights next week

1 day ago

Weather News

Record sargassum seaweed swamps Caribbean, U.S. beaches

3 days ago
World North America United States Montana St. Marys

Weather Near St. Marys:

  • Great Falls, MT
  • Havre, MT
  • Lewistown, 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

...

...

...