Thunder Bay Weather Conditions
Current Temperature Level
Thunder Bay Weather Conditions
Current Temperature Level
Last Updated: 2026-08-01 16:00 (Local Time)
Sunny
Clear Sky with temperature at 21 °C and humidity will be at 69% with 13.3 km/h winds.26°C / 15°C
Sunrise
06:32 AM15hrs 2min
Sunset
09:34 PMAugustWeather Overview
No. of days:
Sunny
8
Cloudy
0
Rainy
23
Snowy
0
The monthly weather averages in Thunder Bay consist of 8 sunny days, 0 cloudy days, 23 rainy days, and 0 snowy days.
Thunder Bay's Locations Weather Conditions
Canada's Hottest Cities - August 2026
1.
Redcliff, Alberta
36 °C
Sunny
23%
7.2
26.3 kmph / S
2.
Medicine Hat, Alberta
36 °C
Sunny
23%
7.2
26.3 kmph / S
3.
Trail, British Columbia
35 °C
Sunny
19%
3.9
16.2 kmph / SSW
4.
Lethbridge, Alberta
34 °C
Sunny
24%
7.2
25.6 kmph / SSW
5.
Castlegar, British Columbia
34 °C
Sunny
19%
3.5
15.8 kmph / SSW
6.
Cranbrook, British Columbia
34 °C
Sunny
16%
7.2
21.2 kmph / SSW
7.
Airdrie, Alberta
34 °C
Sunny
18%
5.8
26.6 kmph / SSW
8.
Regina, Saskatchewan
32 °C
Sunny
35%
7.7
6.5 kmph / S
9.
Calgary, Alberta
32 °C
Sunny
18%
5.9
25.6 kmph / SSW
10.
Creston, British Columbia
32 °C
Sunny
22%
7.9
14 kmph / SSW
Last Updated: 01 Aug 2026, 08:12 PM
City Weather RankingsFAQs About Thunder Bay Weather Conditions
1. What is the current temperature in Thunder Bay today - 01 August 2026?
1. What is the current temperature in Thunder Bay today - 01 August 2026?
The current temperature in Thunder Bay is 26°C, with a feels-like temperature of 26°C. Today's forecast shows a high of 26°C and a low of 15°C, giving a 11 degree swing through the day as of 04:00 PM 01 August 2026.
2. What are the current weather parameters in Thunder Bay today?
2. What are the current weather parameters in Thunder Bay today?
Here is a complete overview of Thunder Bay's current weather conditions as of 04:00 PM 01 August 2026: Condition : Partly Cloudy Temperature : 26°C Pleasant (Feels like 26°C) Humidity : 55% Wind Speed : 9.7 km/h from E (91 degrees), Gust 4.6 m/s UV Index : 2.4 (Moderate Air Pressure : 1015 mb Cloud Cover : 37% Visibility : 10 km Precipitation : 0 mm (6% chance of rain)
3. What is the 10-day weather forecast for Thunder Bay from 04:00 PM 01 August 2026?
3. What is the 10-day weather forecast for Thunder Bay from 04:00 PM 01 August 2026?
From 04:00 PM 01 August 2026, Thunder Bay's 10-day forecast shows this trend: Today (Aug. 1) : Temp. 21°C, Hum. 69% and Sunny condition. Sunday (Aug. 2) : Temp. 16°C, Hum. 65% and Sunny condition. Monday (Aug. 3) : Temp. 15°C, Hum. 66% and Sunny condition. Tuesday (Aug. 4) : Temp. 18°C, Hum. 67% and Sunny condition. Wednesday (Aug. 5) : Temp. 15°C, Hum. 62% and Sunny condition. Thursday (Aug. 6) : Temp. 16°C, Hum. 59% and Sunny condition. Friday (Aug. 7) : Temp. 16°C, Hum. 71% and Sunny condition. Saturday (Aug. 8) : Temp. 18°C, Hum. 69% and Sunny condition. Sunday (Aug. 9) : Temp. 18°C, Hum. 79% and Rain Showers condition. Monday (Aug. 10) : Temp. 18°C, Hum. 75% and Rain Showers condition.
4. Will it rain in Thunder Bay today?
4. Will it rain in Thunder Bay today?
As of 04:00 PM 01 August 2026, there is a 5% chance of rainfall in Thunder Bay later today around 2026-08-01 16:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for Thunder Bay in August 2026?
5. What is the monthly weather forecast for Thunder Bay in August 2026?
August 2026 in Thunder Bay is forecast to have 8 sunny days, 23 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 9°C to highs of 25°C.
6. How does the weather in Thunder Bay affect air quality?
6. How does the weather in Thunder Bay affect air quality?
Weather directly impacts air quality in Thunder Bay. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.



