Thunder Bay weather live forecast

Today's maximum temperature in Thunder Bay is expected to be -14°C. Select a day from the live weather forecast for Thunder Bay, Ontario, Canada for more weather parameters.

Saturday
28th Feb
-14

-23

7

2
Sunday
1st Mar
-12

-25

11

2
Monday
2nd Mar
-2

-20

1

2
Tuesday
3rd Mar
-1

-7

1

3
Wednesday
4th Mar
1

-8

0

2

5-day weather forecast updated at 04:01 on Saturday 28th February 2026 GMT

More about Thunder Bay

Thunder Bay by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ontario

Hurtigruten: Latest offers on worldwide cruises

Sale

Explore latest special offers on Hurtigruten Expeditions
Includes online discount, no single supplement & more
Browse top online deals & destination specific offers

Go to Hurtigruten deal >>

The 5-day weather forecast for Ontario (Thunder Bay) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Thunder Bay weather forecast by day

Below are the detailed weather forecasts for Thunder Bay for the next 5 days.

Thunder Bay weather for Saturday 28th February 2026

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of -14°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 22 kph from the north-west.

-14
°C maximum temperature
-23
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-24
°C wind chill
22
kph wind from NW

Thunder Bay weather for Sunday 1st March 2026

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of -12°C, maximum UV of 2 (Low) and 11 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 10 kph from the west.

-12
°C maximum temperature
-25
°C minimum temperature
scattered clouds
11
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-18
°C wind chill
10
kph wind from W

Thunder Bay weather for Monday 2nd March 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of -2°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 21 kph from the south-west.

-2
°C maximum temperature
-20
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
cm of snow expected
-8
°C wind chill
21
kph wind from SW

Thunder Bay weather for Tuesday 3rd March 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of -1°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 cm of snow expected and a light breeze of 10 kph from the west.

-1
°C maximum temperature
-7
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
cm of snow expected
-4
°C wind chill
10
kph wind from W

Thunder Bay weather for Wednesday 4th March 2026

Expect overcast skies in Thunder Bay, Ontario with a maximum temperature of 1°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

1
°C maximum temperature
-8
°C minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
-2
°C wind chill
13
kph wind from E

Canadian Affair: Latest special offers on holidays

Sale

Save on holidays to Canada with top deals & discounts
Book holidays, cruises, ski breaks & tours to Canada
Offers include discounts, upgrades & more

Go to Canadian Affair deal >>

View all Canadian Affair offers

Metric (°C / mm) | Imperial (°F / inches)

More about Ontario

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

Ontario - quick facts
Flight time^✝	8 hours
Time difference	UK -5 to -6 hours
Language(s)	English, French
Currency	Canadian Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes