Thunder Bay
Tomorrow
Tomorrow weather in Thunder Bay
Tuesday, 21st July 2026
18°
Patchy rain possible
Feels like 10° · Low 11°
The weather tomorrow in Thunder Bay will be much colder than today, with max temperatures up to 18°.
The rain will stop, and no rain is expected in Thunder Bay tomorrow.
The wind tomorrow will get stronger and reach 29 km/h.
18° / 11°
Temp
44%
Rain
29 km/h
Wind
72%
Humidity
Thunder Bay Weather Pages
Thunder Bay hourly forecast for tomorrow
Scroll right to see more weather forecasts for Thunder Bay tomorrow
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 06:18 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 21:48 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  | |  | | | |  | | | | | | |  | | | |  | |  |  | |  |  | | Next |
| temperatures | 17.6° | 17.5° | 18.3° | 17.5° | 17.5° | 17.4° | 16.6° | Sunrise | 15.8° | 15.1° | 13.9° | 12.2° | 11.7° | 11.4° | 12° | 14° | 14.6° | 13.9° | 14.3° | 16.8° | 16.6° | 16.9° | 16.2° | Sunset | 13.3° | 11.5° | |
| feels like | 10.5° | 10.5° | 9.9° | 8.9° | 8.8° | 8.3° | 7.3° | 6.4° | 5.7° | 4.6° | 5.7° | 6.1° | 6.3° | 6.1° | 4.7° | 5.2° | 5.3° | 6° | 8.9° | 9° | 10° | 9.1° | 7.9° | 8.7° | |||
| wind speed | 16 km/h | 16 km/h | 23 km/h | 23 km/h | 24 km/h | 27 km/h | 27 km/h | 28 km/h | 28 km/h | 28 km/h | 29 km/h | 28 km/h | 27 km/h | 26 km/h | 27 km/h | 28 km/h | 25 km/h | 22 km/h | 20 km/h | 18 km/h | 15 km/h | 16 km/h | 12 km/h | 9 km/h | |||
| wind degree | 296° | 295° | 306° | 319° | 319° | 324° | 327° | 328° | 329° | 337° | 338° | 339° | 339° | 341° | 345° | 343° | 341° | 343° | 346° | 340° | 338° | 340° | 331° | 316° | |||
| wind direction | WNW | WNW | NW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NW | |||
| Precipitation | 0.1 mm | 0 mm | 0.1 mm | 0.2 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 30% | 11% | 24% | 48% | 31% | 28% | 26% | 23% | 22% | 25% | 26% | 26% | 26% | 22% | 15% | 16% | 16% | 10% | 9% | 4% | 4% | 2% | 3% | 4% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 81% | 80% | 79% | 92% | 90% | 84% | 83% | 81% | 80% | 80% | 81% | 80% | 81% | 77% | 65% | 63% | 65% | 63% | 52% | 54% | 53% | 50% | 55% | 61% | |||
| dew point | 14.4° | 14.1° | 14.6° | 16.1° | 15.9° | 14.7° | 13.8° | 12.6° | 11.7° | 10.5° | 9° | 8.3° | 8.3° | 8° | 7.7° | 7.6° | 7.5° | 7.5° | 7° | 7.3° | 7.2° | 5.7° | 4.4° | 4.3° | |||
| visibility | 10 km | 10 km | 10 km | 2 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 80% | 26% | 85% | 90% | 100% | 93% | 96% | 87% | 86% | 94% | 100% | 100% | 100% | 100% | 89% | 100% | 95% | 65% | 77% | 24% | 32% | 13% | 13% | 12% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.7 | 1.1 | 1.8 | 2.1 | 5.4 | 5.9 | 5.8 | 4.7 | 3.4 | 2 | 1.1 | 0.4 | 0.1 | 0 | 0 |
Weather in Thunder Bay tomorrow
The temperature tomorrow in Thunder Bay is expected to be typical for this time of year, with a forecast of 18 °C, closely aligning with the historical average for 21st of July.
temperatures
18 °C
rain
0.6 mm
wind
29 km/h
UV
High
Thunder Bay daylight overview ☀️
Tomorrow in Thunder Bay, The sun rises at 06:18 and sets at 21:48, giving a total daylight duration of 15 hours and 30 minutes.
Quick links
More Thunder Bay weather pages
What to wear tomorrow in Thunder Bay? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Thunder Bay forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
The weather tomorrow in Thunder Bay - FAQ
What is the maximum temperature for tomorrow in Thunder Bay?
The maximum temperature for tomorrow in Thunder Bay is expected to be 18° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Thunder Bay? 🌧️
Yes, there is a 44% chance of rain in Thunder Bay tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Thunder Bay? 🌀
The wind in Thunder Bay is expected to blow at 29 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Thunder Bay tomorrow?
Given the forecast of 18 °C with a 44% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Thunder Bay tomorrow.
What is the sunrise and sunset time for Thunder Bay tomorrow?
The sun is expected to rise at 06:18 and set at 21:48 in Thunder Bay.
How accurate is the weather forecast Thunder Bay tomorrow? ✅
Thunder Bay weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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