Weather forecast for tomorrowThunder Bay, Canada

Weather forecast for tomorrow

Friday 23. Oct 2026

  • 14°C
  • 9°C
AM Fog / PM Clouds
AM Fog / PM Clouds
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 12km/hE 91°
  • Humidity: 90%
  • UV index: 2
  • Sunrise: 8:29 am EDT
  • Sunset: 6:53 pm EDT
  • ▼
Tomorrow, low morning fog is expected, followed by thick clouds in the afternoon.
Day and night temperatures will present a subtle variation, fluctuating between a refreshing 14°C and a chilly 9°C.
A high of 14°C is expected, which resembles September's climate average of 17.7°C more than October's 9.9°C.
Sunrise will be at 8:29 am and sunset at 6:53 pm; tomorrow's daylight will last for 10h and 24min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 14°C.
Coldest hour: 3 am 6°C.

Chance of precipitation

Highest chance: 6 am 21%.

Hourly weather forecast

  • 12 am
  • 7°C
  • Feels like:
    5°C
Foggy
Foggy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 7km/hE 91°
  • Humidity: 100%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 2 am
  • 6°C
  • Feels like:
    5°C
Foggy
Foggy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 7km/hE 82°
  • Humidity: 100%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 4 am
  • 6°C
  • Feels like:
    5°C
Foggy
Foggy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 8km/hE 82°
  • Humidity: 98%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 6 am
  • 7°C
  • Feels like:
    5°C
Foggy
Foggy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 6km/hENE 71°
  • Humidity: 98%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 8 am
  • 7°C
  • Feels like:
    6°C
Foggy
Foggy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 6km/hENE 60°
  • Humidity: 100%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
Sunrise: 8:29 am
  • 10 am
  • 9°C
  • Feels like:
    8°C
Foggy
Foggy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 5km/hENE 70°
  • Humidity: 97%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 12 pm
  • 11°C
  • Feels like:
    11°C
Cloudy
Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 5km/hE 95°
  • Humidity: 89%
  • Pressure: 1023mbar
  • Visibility: 4km
  • UV index: 1
  • ▼
  • 2 pm
  • 13°C
  • Feels like:
    13°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 8km/hESE 111°
  • Humidity: 81%
  • Pressure: 1023mbar
  • Visibility: 12km
  • UV index: 2
  • ▼
  • 4 pm
  • 13°C
  • Feels like:
    12°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 11km/hESE 104°
  • Humidity: 83%
  • Pressure: 1022mbar
  • Visibility: 13km
  • UV index: 1
  • ▼
  • 6 pm
  • 12°C
  • Feels like:
    11°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 11km/hESE 106°
  • Humidity: 87%
  • Pressure: 1022mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Sunset: 6:53 pm
  • 8 pm
  • 10°C
  • Feels like:
    9°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 9km/hE 82°
  • Humidity: 96%
  • Pressure: 1023mbar
  • Visibility: 1km
  • UV index: 0
  • ▼
  • 10 pm
  • 9°C
  • Feels like:
    8°C
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 7km/hENE 70°
  • Humidity: 100%
  • Pressure: 1023mbar
  • Visibility: 3km
  • UV index: 0
  • ▼
Tomorrow, a combination of cloudy and fog-covered weather is anticipated.
The temperature will vary between a minimum of 6°C and a maximum of 14°C. The warmest part of the day is anticipated around 3 pm.
The forecasted maximum is more consistent with September's typical high of 17.7°C than the average for October. The minimum temperature will be also more alike with September's average low of 5.5°C than October's typical value of -0.9°C.
Updated: Oct 22, 2026 @ 11:01:55 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Thunder Bay, a misty start is expected, with clouds thickening later in the day.

Tomorrow, the highest temperature will be 14°C, while the lowest temperature will be 9°C.
The highest temperature will be relatively higher than the average maximum of 9.9°C in October. The lowest temperature will be significantly higher than the average low of -0.9°C.

On Friday, in Thunder Bay, sunrise will be at 8:29 am and sunset at 6:53 pm (EDT).

In Thunder Bay, tomorrow, there will be 10h and 24min of daylight.