Thunder Bay
Thunder Bay District, Ontario, Canada
Current Weather
6°43°
Mostly Cloudy
Feels Like: -7°20°
Min: 2°36°
Max: 13°56°
The next few hours will be mostly clear, with today reaching 13°C and dropping to 0°C. The coming days will be drizzle
Hourly Forecast
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Air Quality
Air quality is satisfactory, and air pollution poses little or no risk.
Daylight Hours
08:41
Sunrise
18:39
Sunset
Moon
18:10
Moonrise
07:59
Moonset
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View stargazing scoreWeather in Thunder Bay today, October 25, 2026
Cloud cover dominates in Thunder Bay on October 25, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a grey start, with morning cloud around 100% by 11:00. Outdoor plans early on should not rely on bright skies.Cloud cover dominates in Thunder Bay on October 25, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a grey start, with morning cloud around 100% by 11:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 2°C toward a daytime high of about 13°C. Moisture in the air spans 25%-71%, with the highest values around 05:00. Airflow remains manageable, reaching about 23 km/h around 23:00.Temperatures climb from an overnight low near 36°F toward a daytime high of about 56°F. Moisture in the air spans 25%-71%, with the highest values around 05:00. Winds turn strong, with the highest speeds near 23:00 at about 15 mph.
Expect persistent cloud later on, with amounts around 100% by 16:00. Sunshine remains the exception, not the rule. Horizontal visibility holds close to 16.1 km. Expect sunrise at 08:41, sunset at 18:39, and 9 hours 58 minutes of sunlight today overall.Expect persistent cloud later on, with amounts around 100% by 16:00. Sunshine remains the exception, not the rule. Horizontal visibility holds close to 10 mi. Expect sunrise at 08:41, sunset at 18:39, and 9 hours 58 minutes of sunlight today overall.
Taken together, overcast skies in Thunder Bay on October 25, 2026 favour indoor or covered options, with temperatures near 13°C.The practical takeaway for Thunder Bay is a windy October 25, 2026, so outdoor plans should account for gusts around 15 mph.
Frequently asked questions about weather in Thunder Bay
How warm does it get in Thunder Bay?
The warmest month in Thunder Bay is July, with average high temperatures of 23°C. The average temperature during this period is around 18°C.The warmest month in Thunder Bay is July, with average high temperatures of 74°F. The average temperature during this period is around 65°F.
How cold does it get in Thunder Bay?
The coldest month in Thunder Bay is February, with average low temperatures of -16°C. The average temperature during this period is around -12°C.The coldest month in Thunder Bay is February, with average low temperatures of 3°F. The average temperature during this period is around 11°F.
What is the wettest time of year in Thunder Bay?
The wettest month in Thunder Bay is September, with an average of 80 mm of precipitation.The wettest month in Thunder Bay is September, with an average of 3.1 in of precipitation.
What is the driest time of year in Thunder Bay?
The driest month in Thunder Bay is January, with an average of 31 mm of precipitation.The driest month in Thunder Bay is January, with an average of 1.2 in of precipitation.