Weather in Thunder Bay
Ontario, 188 m · continuously updated
- Wind
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- Humidity
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- Rain ahead
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- Sunset
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Temperature · last 4 and next 28 hours
Thunder Bay weather: the next 24 hours
Updated hourly.
Thunder Bay 14-day forecast
Two-week trend.
Sun and golden hours
Sunrise –, golden light until –
Sunset –, golden light from –
–
Air quality
European index, measured continuously.
UV index
Daily maximum — protection advised from 3.
Freezing level
Snow settles about 300 m below it.
Around Thunder Bay
Neighbouring towns, as the crow flies.
7-day forecast for Thunder Bay
Today (Thursday 15 Oct) in Thunder Bay: light rain, 5 to 9 °C, precipitation 6.8 mm (92 %), wind up to 10 km/h. Tomorrow: light drizzle, 2 to 7 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | light rain | 5 °C | 9 °C | 6.8 mm | 10 km/h |
| Tomorrow | light drizzle | 2 °C | 7 °C | 0.4 mm | 31 km/h |
| Sat 17 Oct | overcast | 2 °C | 14 °C | 0.0 mm | 22 km/h |
| Sun 18 Oct | overcast | 8 °C | 18 °C | 0.0 mm | 19 km/h |
| Mon 19 Oct | overcast | 6 °C | 16 °C | 0.0 mm | 18 km/h |
| Tue 20 Oct | mostly sunny | 4 °C | 12 °C | 0.0 mm | 10 km/h |
| Wed 21 Oct | overcast | 5 °C | 13 °C | 0.0 mm | 13 km/h |
Tomorrow's weather in Thunder Bay
Tomorrow, Friday 16 Oct, in Thunder Bay: light drizzle, from 2 to 7 °C, 0.4 mm of precipitation (probability 46 %), wind up to 31 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  light drizzle | 7 °C | 0.4 mm | 36 % | 9 km/h |
| 03:00 |  overcast | 7 °C | 0.0 mm | 29 % | 14 km/h |
| 06:00 | overcast | 6 °C | 0.0 mm | 12 % | 18 km/h |
| 09:00 |  partly cloudy | 4 °C | 0.0 mm | 3 % | 25 km/h |
| 12:00 | overcast | 4 °C | 0.0 mm | 0 % | 27 km/h |
| 15:00 | overcast | 4 °C | 0.0 mm | 0 % | 21 km/h |
| 18:00 | overcast | 3 °C | 0.0 mm | 0 % | 14 km/h |
| 21:00 | overcast | 2 °C | 0.0 mm | 1 % | 15 km/h |
Frequently asked questions
Will it rain tomorrow in Thunder Bay?
No significant rain expected (0.4 mm forecast).
How warm will it be tomorrow in Thunder Bay?
Between 2 and 7 °C.
The weekend
This weekend in Thunder Bay: Saturday overcast, 2 to 14 °C, Sunday overcast, 8 to 18 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Sat 17 Oct | overcast | 2 °C | 14 °C | 0.0 mm | 22 km/h |
| Sun 18 Oct | overcast | 8 °C | 18 °C | 0.0 mm | 19 km/h |
Hour by hour
The next 48 hours in Thunder Bay, hour by hour: temperature from 2 to 9 °C, 7.2 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 11:00 | overcast | 9 °C | 0.0 mm | 22 % | 6 km/h |
| 12:00 | light drizzle | 9 °C | 0.4 mm | 36 % | 9 km/h |
| 13:00 | overcast | 9 °C | 0.0 mm | 53 % | 6 km/h |
| 14:00 | overcast | 9 °C | 0.0 mm | 82 % | 7 km/h |
| 15:00 | drizzle | 9 °C | 0.7 mm | 90 % | 6 km/h |
| 16:00 |  light rain | 9 °C | 1.4 mm | 91 % | 1 km/h |
| 17:00 | drizzle | 9 °C | 0.7 mm | 92 % | 3 km/h |
| 18:00 | drizzle | 9 °C | 0.7 mm | 88 % | 6 km/h |
| 19:00 | drizzle | 8 °C | 0.7 mm | 88 % | 7 km/h |
| 20:00 | light drizzle | 8 °C | 0.4 mm | 84 % | 7 km/h |
| 21:00 | drizzle | 8 °C | 0.7 mm | 75 % | 7 km/h |
| 22:00 | drizzle | 7 °C | 0.7 mm | 68 % | 7 km/h |
| 23:00 | light drizzle | 7 °C | 0.4 mm | 56 % | 7 km/h |
| 00:00 | light drizzle | 7 °C | 0.4 mm | 36 % | 9 km/h |
| 01:00 | overcast | 7 °C | 0.0 mm | 46 % | 13 km/h |
| 02:00 | overcast | 7 °C | 0.0 mm | 41 % | 14 km/h |
| 03:00 | overcast | 7 °C | 0.0 mm | 29 % | 14 km/h |
| 04:00 | overcast | 7 °C | 0.0 mm | 29 % | 18 km/h |
| 05:00 | overcast | 6 °C | 0.0 mm | 20 % | 15 km/h |
| 06:00 | overcast | 6 °C | 0.0 mm | 12 % | 18 km/h |
| 07:00 | overcast | 5 °C | 0.0 mm | 11 % | 20 km/h |
| 08:00 |  mostly sunny | 4 °C | 0.0 mm | 7 % | 31 km/h |
| 09:00 | partly cloudy | 4 °C | 0.0 mm | 3 % | 25 km/h |
| 10:00 | overcast | 4 °C | 0.0 mm | 2 % | 25 km/h |
| 11:00 | overcast | 4 °C | 0.0 mm | 0 % | 26 km/h |
| 12:00 | overcast | 4 °C | 0.0 mm | 0 % | 27 km/h |
| 13:00 | overcast | 4 °C | 0.0 mm | 0 % | 27 km/h |
| 14:00 | overcast | 4 °C | 0.0 mm | 0 % | 25 km/h |
| 15:00 | overcast | 4 °C | 0.0 mm | 0 % | 21 km/h |
| 16:00 | overcast | 4 °C | 0.0 mm | 0 % | 20 km/h |
| 17:00 | overcast | 4 °C | 0.0 mm | 0 % | 18 km/h |
| 18:00 | overcast | 3 °C | 0.0 mm | 0 % | 14 km/h |
| 19:00 | overcast | 3 °C | 0.0 mm | 0 % | 10 km/h |
| 20:00 | overcast | 3 °C | 0.0 mm | 1 % | 12 km/h |
| 21:00 | overcast | 2 °C | 0.0 mm | 1 % | 15 km/h |
| 22:00 | overcast | 2 °C | 0.0 mm | 1 % | 9 km/h |
| 23:00 | overcast | 2 °C | 0.0 mm | 0 % | 9 km/h |
| 00:00 | overcast | 2 °C | 0.0 mm | 0 % | 10 km/h |
| 01:00 | overcast | 2 °C | 0.0 mm | 0 % | 11 km/h |
| 02:00 | overcast | 2 °C | 0.0 mm | 0 % | 12 km/h |
| 03:00 | overcast | 2 °C | 0.0 mm | 0 % | 14 km/h |
| 04:00 | overcast | 2 °C | 0.0 mm | 0 % | 13 km/h |
| 05:00 | overcast | 2 °C | 0.0 mm | 0 % | 14 km/h |
| 06:00 | overcast | 2 °C | 0.0 mm | 0 % | 15 km/h |
| 07:00 | overcast | 2 °C | 0.0 mm | 0 % | 13 km/h |
| 08:00 | overcast | 2 °C | 0.0 mm | 0 % | 12 km/h |
| 09:00 | sunny | 2 °C | 0.0 mm | 0 % | 11 km/h |
| 10:00 | sunny | 5 °C | 0.0 mm | 0 % | 14 km/h |
Location of Thunder Bay
Thunder Bay lies at 188 m, 16 m below the average of the 187 places we cover in Ontario (204 m). That makes it the 83rd lowest of the 187. The main town, Toronto, lies 920 km to the south-east. The nearest places we cover are Sioux Lookout (272 km to the north-west), Dryden (299 km to the north-west), Fort Frances (307 km to the west) and Kenora (411 km to the west). With about 108,843 inhabitants according to GeoNames, Thunder Bay is the 30th largest of the 187 places we cover in Ontario.