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

Thunder Bay, Ontario

40°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Thunder Bay

Ontario

40°
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
Thunder Bay, Ontario 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

Little to no accumulation

Wed, 4/29, 8:00 PM - Wed, 4/29, 11:00 PM

Snow

8 AM

38°
RealFeel® 24°
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
rain drop 55%
Chevron down
Showers
alerts

Yellow Warning - Rainfall

4:50 AM Tuesday - 12:00 PM Tuesday

RealFeel Shade™24°

WindNW 15 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts28 mph

Humidity80%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility10 mi

Cloud Ceiling2000 ft

9 AM

41°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 52%
Chevron down
Showers
alerts

Yellow Warning - Rainfall

4:50 AM Tuesday - 12:00 PM Tuesday

RealFeel Shade™28°

WindNW 16 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts30 mph

Humidity82%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility10 mi

Cloud Ceiling1400 ft

10 AM

42°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Yellow Warning - Rainfall

4:50 AM Tuesday - 12:00 PM Tuesday

RealFeel Shade™32°

WindNW 16 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts31 mph

Humidity78%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1400 ft

11 AM

43°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Yellow Warning - Rainfall

4:50 AM Tuesday - 12:00 PM Tuesday

RealFeel Shade™31°

WindNW 17 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts32 mph

Humidity74%

Indoor Humidity30% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1400 ft

12 PM

44°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™33°

WindNW 17 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts33 mph

Humidity70%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1500 ft

1 PM

45°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 29%
Chevron down
Cloudy

RealFeel Shade™34°

WindNW 17 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts33 mph

Humidity66%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling2200 ft

2 PM

46°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

RealFeel Shade™36°

WindNW 16 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts41 mph

Humidity63%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling3000 ft

3 PM

47°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

RealFeel Shade™37°

WindNW 16 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts40 mph

Humidity61%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling3000 ft

4 PM

48°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

RealFeel Shade™38°

WindNW 16 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts39 mph

Humidity57%

Indoor Humidity42% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling3100 ft

5 PM

47°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

RealFeel Shade™38°

WindNW 15 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts38 mph

Humidity58%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling3100 ft

6 PM

47°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

RealFeel Shade™38°

WindNW 14 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts36 mph

Humidity58%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling2400 ft

7 PM

46°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 13%
Chevron down
Cloudy

RealFeel Shade™38°

WindNW 13 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts32 mph

Humidity59%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

44°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 2%
Chevron down
Partly sunny

RealFeel Shade™36°

WindNW 12 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts29 mph

Humidity61%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

43°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 2%
Chevron down
Partly sunny

RealFeel Shade™37°

WindNW 9 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts24 mph

Humidity62%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

41°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 2%
Chevron down
Partly cloudy

WindNW 8 mph

Air QualityFair

Wind Gusts20 mph

Humidity66%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

39°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 2%
Chevron down
Partly cloudy

WindNW 7 mph

Air QualityFair

Wind Gusts17 mph

Humidity71%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Thunder Bay

AccuWeather's hourly forecast for Thunder Bay provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 38° with a RealFeel® of 24°, showers with a 55% 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

Thursday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Severe weather shifts southeast into midweek

2 hours ago

Weather News

After a warm start, Northeast to end up rainy, chilly later this week

1 hour ago

Severe Weather

Weekend tornadoes leave 2 dead in Texas, destruction across Plains

20 hours ago

Weather Forecasts

Rain returns to southern US bringing drought and wildfire relief

1 hour ago

Severe Weather

See it: Storm chasers encounter twin tornadoes in Oklahoma

20 hours ago

 More Stories

Featured Stories

Severe Weather

EF4 tornado devastates Enid, Oklahoma amid Thursday's severe weather

3 days ago

Severe Weather

Historic Great Lakes flooding shoves ice chunks into Michigan homes

6 days ago

Severe Weather

Illinois leads nation in tornado, hail and wind reports so far in 2026

1 week ago

Astronomy

Earth Day: See breathtaking photos Artemis II astronauts took of Earth

5 days ago

Severe Weather

Extreme rainfall in New Zealand causes devastating flooding

6 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 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

...

...

...