The local weather in Thunder Bay tomorrow

Sunday, 20 September 2026

The weather tomorrow in Thunder Bay will be chilly with temperatures around 13°C. During the evening and night time the temperatures will drop to 9°C.

For deep dive information check out our hourly weather forecast for tomorrow down the page.

Temperature
Temperature
13° / 9°
Chance of rain
Chance of rain
37
%
Wind
Wind
28
Km/h
Humidity
Humidity
93
%
Previous day
Next day
00:0003:0006:0009:0012:0015:0018:0021:00
Temperature13°C12°C11°C10°C11°C12°C12°C11°C
Weather Overcast
Overcast
Patchy rain possible
Patchy rain possible
Partly cloudy
Partly cloudy
Overcast
Overcast
Partly cloudy
Partly cloudy
Sunny
Sunny
Partly cloudy
Partly cloudy
Overcast
Overcast
Chance of rain25%37%17%23%8%2%5%15%
Precipitation0 mm0.1 mm0 mm0 mm0 mm0 mm0 mm0 mm
Humidity81%93%92%80%62%51%51%60%
Wind9Km/h9Km/h16Km/h28Km/h21Km/h21Km/h14Km/h13Km/h
Wind Gust11Km/h15Km/h31Km/h34Km/h23Km/h25Km/h20Km/h20Km/h
Wind Degree346°
Wind Degree
337°
Wind Degree
359°
Wind Degree
29°
Wind Degree
33°
Wind Degree
53°
Wind Degree
95°
Wind Degree
25°
Wind Degree
Wind DirectionNNWNNWNNNENNENEENNE
Cloud Cover100%100%31%92%45%5%38%100%
UV Index00003410
Visibility10 Km10 Km10 Km10 Km10 Km10 Km10 Km10 Km

The weather in Thunder Bay tomorrow - FAQ

What is the weather tomorrow in Thunder Bay?
The wather forecast for tomorrow in Thunder Bay is mostly overcast.
What is tomorrow's highest and lowest temperature in Thunder Bay?
The temperature tomorrow in Thunder Bay will range between 9° and 13°.
Will it be raining tomorrow in Thunder Bay?
The chance of rain tomorrow in Thunder Bay is 37%.
Will it be windy tomorrow in Thunder Bay?
The wind will blow between 9 Km/h to 28 Km/h tomorrow in Thunder Bay.
How many hours of sunlight tomorrow in Thunder Bay?
There will be 6 hours of sun tomorrow in Thunder Bay.
What time is the sunrise and sunset tomorrow in Thunder Bay?
The sun will rise at 07:42 and set at 19:59.

Sunrise and sunset time in Thunder Bay tomorrow

What time is the sunset and sunrise in Thunder Bay tomorrow? The sun will rise at 07:42 and will set at 19:59. There will be 6 hours of sunlight in Thunder Bay.

Sunrise
Sunrise
07:42
Sunset
Sunset
19:59

Thunder Bay tomorrow weather

Morning Overcast

The temperature in Thunder Bay tomorrow in the early morning is 11°C.

If you take into account factors such as wind, humidity and other weather conditions, the temperatures can feel like 9°C.

The chance of rain in Thunder Bay in the morning is 17%, and the wind will blow at 16km/h.

Noon Partly cloudy

The temperature in Thunder Bay tomorrow at noon time is 11°C and it will feel like 8°C. The humidity will be around 62% with wind speed of 21km/h.

Evening Partly cloudy

The temperature in Thunder Bay tomorrow's evening will get to 12°C.

The chance of rain in Thunder Bay in the evening time is 2%, with wind speed of 21km/h.

Night Overcast

The night temperature in Thunder Bay tomorrow is 11°C with a wind speed of 13km/h.

Clothing recommendation for Thunder Bay

Sunday, 20 September 2026
Winter Hat
Winter Hat
Coat
Coat