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Thunder Bay
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Canada weather

10 day weather forecast for Thunder Bay

Friday, 29th August 2025, at 18:27
today
Mist
20° 6°
tomorrow
Cloudy
25° 10°
Sunday
Fog
19° 14°
Monday
Patchy rain possible
24° 13°
Tuesday
Patchy rain possible
23° 14°
Wednesday
Patchy rain possible
6° 4°
Thursday
Patchy rain possible
4° 3°
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Thunder Bay Weather Pages

Thunder Bay weather forecast

The weather forecast for Thunder Bay over the next 5 days indicates comfortable conditions with temperatures ranging from 19 °C to 25 °C.

Rain is expected from Monday until Tuesday.

Wind speeds are expected to be breezy, averaging around 16 km/h.

Weather today
Thunder Bay weather forecast

Thunder Bay 14 days weather forecast

This weeks weather in Thunder Bay. Click on a date for detailed forecasts
Fri. 29
20°
6°
Mist
0 mm
Sat. 30
25°
10°
Cloudy
0 mm
Sun. 31
19°
14°
Fog
0 mm
Mon. 1
24°
13°
Patchy rain possible
4.6 mm
Tue. 2
23°
14°
Patchy rain possible
4.7 mm
Wed. 3
6°
4°
Patchy rain possible
1.3 mm
Thu. 4
4°
3°
Patchy rain possible
2.2 mm
Fri. 5
8°
4°
Patchy rain possible
0.5 mm
Sat. 6
9°
5°
Patchy rain possible
0.1 mm
Sun. 7
16°
2°
Sunny
0 mm
Mon. 8
16°
6°
Patchy rain possible
0.2 mm
Tue. 9
13°
13°
Moderate rain
8.1 mm
Wed. 10
16°
13°
Patchy rain possible
0.8 mm
Thu. 11
18°
8°
Partly cloudy
0 mm
Further Ahead
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Access Thunder Bay weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Thunder Bay long range weather forecast

30 day weather forecast for Thunder Bay
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
24°
2
Sunny
28°
3
Partly cloudy
26°
4
Partly cloudy
21°
5
Overcast
20°
6
Overcast
20°
7
Patchy rain possible
24°
8
Moderate rain at times
22°
9
Overcast
18°
10
Patchy rain possible
19°
11
Moderate or heavy rain shower
21°
12
Overcast
21°
13
Overcast
21°
14
Sunny
22°
15
Partly cloudy
22°
16
Patchy rain possible
21°
17
Patchy rain possible
21°
18
Sunny
21°
19
Patchy rain possible
23°
20
Partly cloudy
22°
21
Moderate rain at times
20°
22
Moderate rain at times
22°
23
Patchy rain possible
21°
24
Patchy rain possible
21°
25
Light rain shower
20°
26
Overcast
23°
27
Light rain shower
22°
28
Light rain shower
17°
29
Mist
20°
30
Cloudy
25°
31
Fog
19°
Important Notice
Our Thunder Bay long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Thunder Bay

The chart displays the expected rainfall values (in mm) over the next 14 days in Thunder Bay, highlighting variations in precipitation levels for specific dates. ☔

Thunder Bay Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Thunder Bay over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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Location coordinates Where is Thunder Bay?

Get accurate weather forecasts for Thunder Bay, located at latitude 48.382 and longitude -89.25. Stay updated with localized weather information tailored for Thunder Bay.

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