Thunder Bay Weather Conditions
Current Temperature Level
26 °C
27 AQI
Air quality index is: Good
Last Updated: 2025-08-30 14:45 (Local Time)
MapThunder Bay
Thunder Bay Weather Parameters
7 km/h
2 m/s
211° SSW
25 %
32 km
0 mm
1019 mb
UV Index6
Suggestions for
TodayThunder Bay30 Aug.
Umbrella• Optional
Clothing• Layering Must
Driving• Enjoy Driving
Sunscreen• ApplyTrending in Canada
Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025
Thunder Bay 10-Days Weather Forecast
Today
18°C
80 %Sunday
16°C95 %Monday
18°C91 %Tuesday
16°C86 %Wednesday
6°C80 %Thursday
3°C97 %Friday
6°C94 %Saturday
8°C75 %Sunday
9°C68 %Monday
9°C84 %Partly Cloudy
Periodic cloud cover with temperature at 18 °C. Humidity will be at 80%, and winds will be at 8.6 km/h.28°C / 10°C
Humi.80 %
Prec.0 mm
Sunrise
07:13 AM13hrs 29min
Sunset
08:42 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
13 °C
87 %
0
5.8 kmph / SW
Clear 
Feels 12.6 °C
Cover 12 %
Visibility 10 km
1 AM
Clear
13 °C
89 %
0
6.1 kmph / WSW
Clear Feels 12.2 °C
Cover 21 %
Visibility 10 km
2 AM
Partly Cloudy
13 °C
90 %
0
5.4 kmph / W
Partly Cloudy Feels 12.1 °C
Cover 29 %
Visibility 10 km
3 AM
Clear
12 °C
91 %
0
5 kmph / W
Clear Feels 12 °C
Cover 22 %
Visibility 10 km
4 AM
Clear
11 °C
92 %
0
4.7 kmph / WNW
Clear Feels 10.4 °C
Cover 19 %
Visibility 10 km
5 AM
Clear
10 °C
94 %
0
5.4 kmph / W
Clear Feels 9.6 °C
Cover 9 %
Visibility 10 km
6 AM
Clear
10 °C
93 %
0
5.8 kmph / WNW
Clear Feels 9.3 °C
Cover 11 %
Visibility 10 km
7 AM
Partly Cloudy
11 °C
93 %
0
4.3 kmph / W
Partly Cloudy Feels 9.8 °C
Cover 33 %
Visibility 10 km
8 AM
Partly Cloudy
12 °C
90 %
0.1
5 kmph / WSW
Partly Cloudy Feels 11.5 °C
Cover 50 %
Visibility 10 km
9 AM
Partly Cloudy
15 °C
82 %
0.6
6.1 kmph / WSW
Partly Cloudy Feels 14.6 °C
Cover 34 %
Visibility 10 km
10 AM
Partly Cloudy
18 °C
74 %
1.5
7.2 kmph / WSW
Partly Cloudy Feels 17.6 °C
Cover 43 %
Visibility 10 km
11 AM
Partly Cloudy
20 °C
71 %
2.8
7.6 kmph / WSW
Partly Cloudy Feels 20.1 °C
Cover 41 %
Visibility 10 km
12 PM
Partly Cloudy
23 °C
68 %
4.2
6.8 kmph / WSW
Partly Cloudy Feels 23.7 °C
Cover 32 %
Visibility 10 km
1 PM
Sunny
24 °C
63 %
5.4
6.5 kmph / SW
SunnyFeels 25.1 °C
Cover 15 %
Visibility 10 km
2 PM
Thundery outbreaks in nearby
26 °C
58 %
5.8
6.5 kmph / SSW
Thundery outbreaks in nearbyFeels 25.8 °C
Cover 25 %
Visibility 32 km
3 PM
Sunny
26 °C
64 %
5.4
6.5 kmph / SSW
SunnyFeels 27.5 °C
Cover 24 %
Visibility 10 km
4 PM
Sunny
27 °C
61 %
4.3
8.6 kmph / SSW
SunnyFeels 28.2 °C
Cover 2 %
Visibility 10 km
5 PM
Sunny
27 °C
60 %
2.7
8.6 kmph / S
SunnyFeels 28.1 °C
Cover 1 %
Visibility 10 km
6 PM
Sunny
25 °C
62 %
1.4
6.5 kmph / S
SunnyFeels 27 °C
Cover 4 %
Visibility 10 km
7 PM
Thundery outbreaks in nearby
23 °C
69 %
0.5
4 kmph / S
Thundery outbreaks in nearbyFeels 25.6 °C
Cover 42 %
Visibility 10 km
8 PM
Thundery outbreaks in nearby
21 °C
81 %
0.1
4.3 kmph / SE
Thundery outbreaks in nearbyFeels 21.2 °C
Cover 57 %
Visibility 10 km
9 PM
Cloudy
20 °C
88 %
0
3.2 kmph / SE
Cloudy Feels 19.6 °C
Cover 80 %
Visibility 10 km
10 PM
Thundery outbreaks in nearby
18 °C
91 %
0
0.7 kmph / ESE
Thundery outbreaks in nearbyFeels 18.4 °C
Cover 95 %
Visibility 10 km
11 PM
Thundery outbreaks in nearby
18 °C
93 %
0
1.4 kmph / W
Thundery outbreaks in nearbyFeels 17.6 °C
Cover 82 %
Visibility 10 km
Today
18°C80 %Sunday
16°C95 %Monday
18°C91 %Tuesday
16°C86 %Wednesday
6°C80 %Thursday
3°C97 %Friday
6°C94 %Saturday
8°C75 %Sunday
9°C68 %Monday
9°C84 %Temp26 °C
ConditionSunny
Humidity64 %
Feels27.5 °C
Cover24 %
Visibility10 km
Wind Speed & Dir.6.5 kmph / SSW
UV5.4
Thunder Bay 30-Days (August 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Fri.
29°12 °C
2Sat.
28°15 °C
3Sun.
28°15 °C
4Mon.
21°12 °C
5Tue.
19°12 °C
6Wed.
17°12 °C
7Thu.
27°14 °C
8Fri.
25°15 °C
9Sat.
20°17 °C
10Sun.
27°17 °C
11Mon.
28°17 °C
12Tue.
27°17 °C
13Wed.
18°12 °C
14Thu.
17°12 °C
15Fri.
28°14 °C
16Sat.
23°14 °C
17Sun.
18°10 °C
18Mon.
19°11 °C
19Tue.
22°15 °C
20Wed.
23°13 °C
21Thu.
24°13 °C
22Fri.
29°16 °C
23Sat.
23°14 °C
24Sun.
18°12 °C
25Mon.
21°6 °C
26Tue.
23°5 °C
27Wed.
23°13 °C
28Thu.
19°9 °C
29Fri.
20°5 °C
30Today
25°11 °C
31Sun.
17°14 °C
AugustWeather Overview
No. of days:
Sunny
11
Cloudy
6
Rainy
3
Snowy
0
The monthly weather averages in Thunder Bay consist of 11 sunny days, 6 cloudy days, 3 rainy days, and 0 snowy days.
Thunder Bay's Locations Weather Conditions
Canada's Hottest Cities - August 2025
1.
Buffalo Narrows, Canada
Sunny
35%
4.2
13.3 kmph / SSW
2.
Oakbank, Canada
Sunny
37%
5.7
11.5 kmph / WSW
3.
Rosser, Canada
Sunny
37%
5.7
11.5 kmph / WSW
4.
Winnipeg, Canada
Sunny
37%
5.7
11.5 kmph / WSW
5.
Salt River, Canada
Sunny
37%
3.5
16.9 kmph / SSW
6.
Regina, Canada
Partly cloudy
35%
5.3
6.5 kmph / SSE
7.
Brandon, Canada
Sunny
37%
5.7
3.6 kmph / NNW
8.
Farmington, Canada
Sunny
25%
3.7
11.5 kmph / WNW
9.
Cold Lake, Canada
Sunny
41%
3.4
11.9 kmph / SSW
10.
Chard, Canada
Sunny
41%
3.4
11.9 kmph / SSW
Last Updated: 30 Aug 2025, 06:57 PM
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