Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

Thunder Bay, Ontario

-2°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Thunder Bay

Ontario

-2°
No results found.
Try searching for a city, zip code or point of interest.
settings
Thunder Bay, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly Daily 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 Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Saturday, December 20

Day

12/20
30°Hi
RealFeel® 18°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
RealFeel Shade™ 18°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Cloudy, becoming windier and not as cold

Max UV Index0.0 (Low)

AccuLumen Brightness Index™1 (Dark)

WindW 16 mph

Wind Gusts43 mph

Probability of Precipitation23%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover97%

Morning

Afternoon

Night

12/20
-4°Lo
RealFeel® -23°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
Partly cloudy, breezy and quite cold

WindWNW 16 mph

Wind Gusts33 mph

Probability of Precipitation11%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover61%

Evening

Overnight

Sun & Moon

8 hrs 19 mins
Rise 8:45 AM
Set 5:04 PM
Waxing Crescent
Rise 9:50 AM
Set 5:12 PM

Temperature History

12/20
High
Low
Forecast
30°
-4°
Average
16°
1°
Last Year
11°
-9°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Windstorm packs gusts over 140 mph, knocking out power in NW, Rockies

18 hours ago

Weather Forecasts

Pineapple express sets sights on Oregon into Friday night

15 minutes ago

Winter Weather

White Christmas forecast 2025: Storm may deliver last-minute snow

1 day ago

Weather Forecasts

Northeast storm to usher in warmth, heavy rain and wind before chill

1 hour ago

Winter Weather

What are the snowiest cities in the US?

15 hours ago

 More Stories

Featured Stories

Astronomy

Satellite ‘Crash Clock’ shows orbit 2.8 days from potential disaster

1 day ago

Weather News

Why the weirdest sea level changes on Earth are happening off the coas...

17 hours ago

Travel

AAA says 122 million Americans will travel as gas prices drop below $3

3 days ago

Weather News

Is it safe to eat snow? Here's what the science says

1 day ago

Astronomy

Interstellar comet 3I/ATLAS swings by Earth this week

3 days ago
World North America Canada Ontario Thunder Bay

Weather Near Thunder Bay:

  • Duluth, MN
  • Marquette, MI
  • Superior, WI
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ 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 RealFeel® and RealFeel Shade™ 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
© 2025 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

...

...

...