Weather in Thunder Bay, Canada 🇨🇦
The current temperature in Thunder Bay is 27°C, sunny, feeling like 25°C. The air is at 33% humidity and winds are about 6 km/h, and the UV index is 2 (low). Looking ahead, Thunder Bay should sit between roughly 11°C and 28°C over the coming days.
Hourly Forecast for Thunder Bay
14-Day Forecast for Thunder Bay
Sunny
Sunny
Partly Cloudy
Partly Cloudy
Sunny
Partly Cloudy
Patchy rain nearby
Sunny
Sunny
Light rain shower
Patchy rain nearby
Sunny
Partly Cloudy
Sunny
Additional Forecasts for Thunder Bay
Air Quality
Historical Weather
Weather Forecasts for Other Cities in Canada
Best Time to Be Outside in Thunder Bay Tomorrow
There is no good daylight window left in Thunder Bay today. Tomorrow, the most comfortable window looks like 11:00 to 14:00, when it is around 21°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Thunder Bay
What is the temperature in Thunder Bay right now?
Thunder Bay is sitting at 27°C (80°F) right now, sunny (feels like 25°C).
What's the weather like in Thunder Bay right now?
Conditions in Thunder Bay right now: Sunny, humidity 33%, wind 6 km/h WNW.
What is today's forecast for Thunder Bay?
Today in Thunder Bay: high 28°C, low 11°C, sunny. Chance of rain: 3%.
What is the 7-day weather forecast for Thunder Bay?
Daily highs and lows for Thunder Bay:
- 2026-08-10: 28°C / 11°C
- 2026-08-11: 23°C / 12°C
- 2026-08-12: 23°C / 13°C
- 2026-08-13: 20°C / 12°C
- 2026-08-14: 22°C / 9°C
- 2026-08-15: 19°C / 13°C
- 2026-08-16: 20°C / 14°C
Is it going to rain in Thunder Bay today?
There is a 3% chance of rain in Thunder Bay today.
What is the wind speed in Thunder Bay right now?
Wind in Thunder Bay is currently 6 km/h (4 mph) from the WNW.
What is the UV index in Thunder Bay right now?
The UV index in Thunder Bay is currently 1.6 (low). Sun protection is recommended when the index is 3 or higher.
