Weather in Thunder Bay, Ontario, Canada — today, tomorrow and 14-day forecast
Weather in Thunder Bay now: +17°, partly cloudy, wind 4.2 m/s, humidity 82%. Accurate forecast for today, tomorrow, 3 days and 2 weeks — temperature, precipitation, pressure and wind.
Weather in Thunder Bay now
Hourly forecast for today in Thunder Bay
Weather in Thunder Bay tomorrow
From +11° to +22° — day and night.
Weather in Thunder Bay for 3 days
From +10° to +22° — day and night.
Weather in Thunder Bay for the week
Including the 5-day outlook.
From +10° to +22° — day and night.
Weather in Thunder Bay for 2 weeks
Including the 10-day outlook.
From +10° to +22° — day and night.
Weekend weather in Thunder Bay
Weather for the weather-sensitive
📒 Weather diary in Thunder Bay
Ready-made observation table for August: past days are already filled in with weather-station data — for school and beyond. Open the diary →
What to do in Thunder Bay in weather like this 🎯
✉️ Weather forecast by email
Get the forecast for this city by email — every day at 17:00 Moscow time.
The Moon today 🌙
Monthly climate 🗓️
Thunder Bay, Ontario, Canada. Population 108 843.
Weather and climate in Thunder Bay 🌍
Climate in Thunder Bay: the warmest month is July (up to +23° by day), the coldest is February (down to -15° at night). Annual precipitation is about 724 mm.
The best time to visit is June–September, when the weather is most comfortable for walks and sightseeing.
Precipitation map 🌧️
Cities near Thunder Bay 📍
FAQ about weather in Thunder Bay ❓
What's the weather in Thunder Bay right now?
Now +17°, partly cloudy, wind 4.2 m/s, W, humidity 82%. Feels like +16°.
What's the weather in Thunder Bay tomorrow?
Tomorrow: +22° by day, +11° at night, partly cloudy.
Sunrise and sunset in Thunder Bay?
Sunrise 05:54, sunset 20:09, day length 14h 15m.
What's the pressure and humidity in Thunder Bay?
Pressure 757 mmHg, humidity 82%, wind 6 m/s. Matters for weather-sensitive people.
Do I need an umbrella in Thunder Bay today?
No, precipitation is unlikely — you can go out without an umbrella.
Is it a good day for a picnic in Thunder Bay?
Yes, it’s warm and dry (up to +22°) — a good time for a picnic, a walk or a barbecue.
Is it a good day to wash the car in Thunder Bay?
No precipitation expected — a good time to wash the car; rain won’t spoil it in the coming hours.
Is it good weather for a walk or a bike ride in Thunder Bay?
Yes, dry and comfortable (up to +22°) — great for a walk, a bike ride or a run.
Add the “Pogoda 1” weather widget — free
Pick a city, size and color — get ready-to-paste code. Works on any site.
Get the widget →
Weather in Thunder Bay — in detail
Weather in Thunder Bay from “Pogoda 1” — an accurate, free forecast: current temperature, feels-like, wind, atmospheric pressure, humidity and precipitation. Available for today, tomorrow, 3, 5 and 10 days, a week, 2 weeks and a month, plus hourly weather, monthly climate, water temperature, air quality and an observation archive since 2017.
To quickly check the weather in Thunder Bay anytime, add the city to favorites — and get a daily forecast by email at 17:00 (Moscow time). Note: the forecast may be refined as new data arrives. Data: OpenWeather, Open-Meteo, met.no.