Thunder Bay Weather Conditions
Current Temperature Level
16 °C
72 AQI
Air quality index is: Moderate
Last Updated: 2025-08-06 06:15 (Local Time)
MapThunder Bay
Thunder Bay Weather Parameters
7 km/h
4 m/s
77° ENE
50 %
13 km
0 mm
1025 mb
UV Index0
Suggestions for
TodayThunder Bay6 Aug.
Hydration• Use Moisturizers
Clothing• More Layered
Driving• Drive Safely
Sunscreen• ApplyThunder Bay 10-Days Weather Forecast
Today
14°C
97 %Thursday
19°C92 %Friday
20°C94 %Saturday
19°C94 %Sunday
20°C83 %Monday
19°C75 %Tuesday
21°C72 %Wednesday
21°C70 %Thursday
15°C82 %Friday
14°C69 %Fog
Dense fog throughout the day. Humidity will be near 97%, with winds at 13 km/h.16°C / 12°C
Humi.97 %
Prec.0 mm
Sunrise
06:39 AM14hrs 47min
Sunset
09:26 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Fog
15 °C
98 %
0
8.3 kmph / ENE
Fog
Feels 14.8 °C
Cover 100 %
Visibility 2 km
1 AM
Fog
15 °C
98 %
0
7.9 kmph / ENE
FogFeels 14.3 °C
Cover 100 %
Visibility 2 km
2 AM
Fog
14 °C
98 %
0
7.6 kmph / ENE
FogFeels 13.8 °C
Cover 100 %
Visibility 2 km
3 AM
Fog
14 °C
98 %
0
6.1 kmph / ENE
FogFeels 13.1 °C
Cover 100 %
Visibility 2 km
4 AM
Fog
13 °C
98 %
0
5.4 kmph / ENE
FogFeels 12.7 °C
Cover 100 %
Visibility 2 km
5 AM
Fog
13 °C
98 %
0
6.5 kmph / ENE
FogFeels 12.2 °C
Cover 100 %
Visibility 2 km
6 AM
Partly cloudy
16 °C
100 %
0
6.8 kmph / ENE
Partly cloudyFeels 11.9 °C
Cover 50 %
Visibility 13 km
7 AM
Fog
12 °C
98 %
0
6.1 kmph / ENE
FogFeels 11.7 °C
Cover 100 %
Visibility 0 km
8 AM
Fog
13 °C
98 %
0.3
5.4 kmph / E
FogFeels 12.1 °C
Cover 100 %
Visibility 2 km
9 AM
Fog
13 °C
97 %
0.9
7.9 kmph / ESE
FogFeels 12.6 °C
Cover 100 %
Visibility 10 km
10 AM
Fog
14 °C
97 %
2
9.7 kmph / ESE
FogFeels 13.1 °C
Cover 100 %
Visibility 10 km
11 AM
Mist
14 °C
97 %
3.3
11.9 kmph / SE
MistFeels 13.3 °C
Cover 100 %
Visibility 10 km
12 PM
Mist
14 °C
97 %
4.9
13 kmph / SE
MistFeels 13.9 °C
Cover 100 %
Visibility 10 km
1 PM
Mist
15 °C
96 %
5.8
9.7 kmph / SE
MistFeels 14.7 °C
Cover 100 %
Visibility 10 km
2 PM
Overcast
15 °C
93 %
5.9
7.6 kmph / SE
Overcast Feels 14.6 °C
Cover 100 %
Visibility 10 km
3 PM
Mist
15 °C
96 %
5.3
6.5 kmph / ESE
MistFeels 14.3 °C
Cover 100 %
Visibility 10 km
4 PM
Mist
15 °C
97 %
3.7
6.1 kmph / SE
MistFeels 14.9 °C
Cover 100 %
Visibility 5 km
5 PM
Overcast
15 °C
94 %
1.8
9.4 kmph / E
Overcast Feels 15.2 °C
Cover 99 %
Visibility 5 km
6 PM
Overcast
15 °C
93 %
0.7
11.9 kmph / ENE
Overcast Feels 15.1 °C
Cover 91 %
Visibility 2 km
7 PM
Mist
15 °C
95 %
0.1
8.3 kmph / E
MistFeels 14.8 °C
Cover 96 %
Visibility 2 km
8 PM
Mist
14 °C
96 %
0
7.2 kmph / E
MistFeels 14.3 °C
Cover 93 %
Visibility 10 km
9 PM
Mist
14 °C
97 %
0
7.2 kmph / E
MistFeels 13.7 °C
Cover 100 %
Visibility 2 km
10 PM
Fog
14 °C
98 %
0
7.6 kmph / ENE
FogFeels 13.1 °C
Cover 100 %
Visibility 2 km
11 PM
Fog
13 °C
98 %
0
7.2 kmph / ENE
FogFeels 12.6 °C
Cover 100 %
Visibility 2 km
Today
14°C97 %Thursday
19°C92 %Friday
20°C94 %Saturday
19°C94 %Sunday
20°C83 %Monday
19°C75 %Tuesday
21°C72 %Wednesday
21°C70 %Thursday
15°C82 %Friday
14°C69 %Temp12 °C
ConditionFog
Humidity98 %
Feels11.7 °C
Cover100 %
Visibility0 km
Wind Speed & Dir.6.1 kmph / ENE
UV0
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.
20°13 °C
6Today
19°12 °C
7Thu.
25°12 °C
8Fri.
25°16 °C
9Sat.
27°17 °C
10Sun.
26°17 °C
11Mon.
25°17 °C
12Tue.
25°17 °C
13Wed.
26°17 °C
14Thu.
24°17 °C
15Fri.
20°11 °C
16Sat.
24°13 °C
17Sun.
24°16 °C
18Mon.
25°15 °C
19Tue.
22°14 °C
20Wed.
20°15 °C
21Thu.
22°13 °C
22Fri.
21°13 °C
23Sat.
21°14 °C
24Sun.
21°14 °C
25Mon.
21°14 °C
26Tue.
21°13 °C
27Wed.
20°13 °C
28Thu.
20°13 °C
29Fri.
21°14 °C
30Sat.
21°13 °C
31Sun.
21°13 °C
AugustWeather Overview
No. of days:
Sunny
8
Cloudy
4
Rainy
17
Snowy
0
The monthly weather averages in Thunder Bay consist of 8 sunny days, 4 cloudy days, 17 rainy days, and 0 snowy days.
Thunder Bay's Locations Weather Conditions
Canada's Hottest Cities - August 2025
1.
Flin Flon, Canada
Partly Cloudy
69%
0
10.1 kmph / E
2.
Burlington, Canada
Partly Cloudy
80%
0
9.7 kmph / ENE
3.
Oakville, Canada
Clear
80%
0
14 kmph / E
4.
Mississauga, Canada
Clear
80%
0
14 kmph / E
5.
Hamilton, Canada
Partly Cloudy
80%
0
9 kmph / ENE
6.
Milton, Canada
Clear
80%
0
14 kmph / E
7.
St Catharines, Canada
Partly Cloudy
88%
0
14 kmph / ESE
8.
St. Catharines, Canada
Partly Cloudy
88%
0
14 kmph / ESE
9.
Kincardine, Canada
Clear
75%
0
18 kmph / SE
10.
Tiverton, Canada
Clear
75%
0
18 kmph / SE
Last Updated: 06 Aug 2025, 10:13 AM
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