Thunder Bay Weather Conditions
Current Temperature Level
18 °C
33 AQI
Air quality index is: Good
Last Updated: 2025-08-22 00:45 (Local Time)
MapThunder Bay
Thunder Bay Weather Parameters
6 km/h
3 m/s
221° SW
75 %
24 km
0 mm
1015 mb
UV Index0
Suggestions for
TodayThunder Bay22 Aug.
Hydration• Stay Hydrated
Clothing• Layering Must
Driving• Enjoy Driving
Sunscreen• ApplyTrending in Canada
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Thunder Bay 10-Days Weather Forecast
Today
19°C
86 %Saturday
17°C70 %Sunday
13°C76 %Monday
13°C58 %Tuesday
11°C70 %Wednesday
16°C61 %Thursday
17°C81 %Friday
15°C90 %Saturday
18°C85 %Sunday
19°C78 %Patchy rain nearby
Occasional light rain is expected and humidity will be 86%, with winds at 12.2 km/h.26°C / 15°C
Humi.86 %
Prec.2.77 mm
Sunrise
07:01 AM13hrs 57min
Sunset
08:58 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Mist
15 °C
96 %
0
6.1 kmph / SSW
Mist
Feels 14.8 °C
Cover 100 %
Visibility 5 km
1 AM
Partly cloudy
18 °C
88 %
0
6.1 kmph / SW
Partly cloudyFeels 14.8 °C
Cover 75 %
Visibility 24 km
2 AM
Mist
15 °C
96 %
0
5.4 kmph / WSW
MistFeels 15.1 °C
Cover 98 %
Visibility 9 km
3 AM
Fog
15 °C
98 %
0
4.3 kmph / SW
FogFeels 15.1 °C
Cover 100 %
Visibility 9 km
4 AM
Fog
15 °C
98 %
0
6.1 kmph / SW
FogFeels 15.2 °C
Cover 100 %
Visibility 2 km
5 AM
Moderate or heavy rain shower
15 °C
98 %
0
5.8 kmph / WSW
Moderate or heavy rain showerFeels 15.2 °C
Cover 69 %
Visibility 2 km
6 AM
Fog
15 °C
98 %
0
5 kmph / W
FogFeels 15.3 °C
Cover 100 %
Visibility 2 km
7 AM
Fog
15 °C
98 %
0
6.1 kmph / WSW
FogFeels 15.4 °C
Cover 100 %
Visibility 2 km
8 AM
Fog
16 °C
98 %
0.2
6.5 kmph / W
FogFeels 16.4 °C
Cover 100 %
Visibility 2 km
9 AM
Fog
18 °C
98 %
0.7
6.8 kmph / WNW
FogFeels 17.9 °C
Cover 100 %
Visibility 2 km
10 AM
Fog
19 °C
98 %
1.8
7.2 kmph / WNW
FogFeels 19.3 °C
Cover 100 %
Visibility 10 km
11 AM
Mist
21 °C
95 %
3.1
5.8 kmph / NW
MistFeels 20.8 °C
Cover 61 %
Visibility 10 km
12 PM
Partly Cloudy
23 °C
87 %
4
4.7 kmph / WSW
Partly Cloudy Feels 24.1 °C
Cover 33 %
Visibility 10 km
1 PM
Sunny
24 °C
72 %
5.5
6.1 kmph / SSW
SunnyFeels 25.4 °C
Cover 13 %
Visibility 10 km
2 PM
Overcast
25 °C
64 %
4.3
7.6 kmph / SSW
Overcast Feels 26 °C
Cover 100 %
Visibility 10 km
3 PM
Overcast
25 °C
58 %
2.9
12.2 kmph / SSW
Overcast Feels 26.2 °C
Cover 100 %
Visibility 9 km
4 PM
Overcast
25 °C
54 %
0.8
10.8 kmph / SSW
Overcast Feels 26.1 °C
Cover 100 %
Visibility 7 km
5 PM
Overcast
24 °C
60 %
1.1
8.6 kmph / SSW
Overcast Feels 25.7 °C
Cover 100 %
Visibility 7 km
6 PM
Overcast
24 °C
71 %
0.8
10.4 kmph / SSW
Overcast Feels 25.3 °C
Cover 93 %
Visibility 9 km
7 PM
Thundery outbreaks in nearby
23 °C
78 %
0.4
6.1 kmph / SSW
Thundery outbreaks in nearbyFeels 24.8 °C
Cover 42 %
Visibility 2 km
8 PM
Thundery outbreaks in nearby
21 °C
83 %
0.1
5.8 kmph / WSW
Thundery outbreaks in nearbyFeels 21.2 °C
Cover 44 %
Visibility 2 km
9 PM
Thundery outbreaks in nearby
20 °C
86 %
0
7.2 kmph / SW
Thundery outbreaks in nearbyFeels 20.3 °C
Cover 34 %
Visibility 2 km
10 PM
Thundery outbreaks in nearby
18 °C
88 %
0
6.8 kmph / SW
Thundery outbreaks in nearbyFeels 18.1 °C
Cover 29 %
Visibility 2 km
11 PM
Mist
18 °C
95 %
0
8.3 kmph / WSW
MistFeels 17.7 °C
Cover 5 %
Visibility 2 km
Today
19°C86 %Saturday
17°C70 %Sunday
13°C76 %Monday
13°C58 %Tuesday
11°C70 %Wednesday
16°C61 %Thursday
17°C81 %Friday
15°C90 %Saturday
18°C85 %Sunday
19°C78 %Temp18 °C
ConditionPartly cloudy
Humidity88 %
Feels14.8 °C
Cover75 %
Visibility24 km
Wind Speed & Dir.6.1 kmph / SW
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.
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.
20°13 °C
22Today
28°16 °C
23Sat.
20°16 °C
24Sun.
15°9 °C
25Mon.
18°9 °C
26Tue.
19°6 °C
27Wed.
22°11 °C
28Thu.
22°12 °C
29Fri.
19°14 °C
30Sat.
19°13 °C
31Sun.
24°15 °C
AugustWeather Overview
No. of days:
Sunny
10
Cloudy
6
Rainy
8
Snowy
0
The monthly weather averages in Thunder Bay consist of 10 sunny days, 6 cloudy days, 8 rainy days, and 0 snowy days.
Thunder Bay's Locations Weather Conditions
Canada's Hottest Cities - August 2025
1.
Surrey, Canada
Clear
64%
0
5.4 kmph / NNW
2.
Creston, Canada
Clear
36%
0
3.6 kmph / WNW
3.
Coquitlam, Canada
Clear
64%
0
5.4 kmph / NNE
4.
New Westminster, Canada
Clear
64%
0
5.4 kmph / NNW
5.
Port Moody, Canada
Clear
64%
0
5.4 kmph / NNE
6.
Powell River, Canada
Clear
38%
0
4.7 kmph / NNE
7.
Campbell River, Canada
Clear
38%
0
7.9 kmph / W
8.
Kamloops, Canada
Clear
38%
0
4.7 kmph / NNW
9.
Pitt Meadows, Canada
Clear
64%
0
4.7 kmph / NE
10.
Burnaby, Canada
Clear
64%
0
4.7 kmph / NNE
Last Updated: 22 Aug 2025, 05:08 AM
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