Weather forecast for tomorrowThunder Bay, Canada

Weather forecast for tomorrow

Friday 23. Oct 2026

  • 14°C
  • 8°C
AM Fog / PM Sun
AM Fog / PM Sun
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 12km/hE 94°
  • Humidity: 91%
  • UV index: 2
  • Sunrise: 8:29 am EDT
  • Sunset: 6:53 pm EDT
  • ▼
Tomorrow, on Friday, October 23, expect a foggy start to the day, but by afternoon, bright and sunny conditions will take over.
The temperature is anticipated to oscillate between a maximum of a mild 14°C and a minimum of a brisk 8°C.
The warmer conditions bring a maximum of 14°C, more representative of September than October.
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 13°C.
Coldest period: 12 am - 6 am 6°C.

Chance of precipitation

Highest chance: 6 am - 9 am 21%.

Hourly weather forecast

  • 12 am
  • 6°C
  • Feels like:
    5°C
Foggy
Foggy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 7km/hESE 102°
  • Humidity: 100%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 2 am
  • 6°C
  • Feels like:
    4°C
Foggy
Foggy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 7km/hE 85°
  • Humidity: 100%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 4 am
  • 6°C
  • Feels like:
    4°C
Foggy
Foggy
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Wind: 7km/hENE 78°
  • Humidity: 100%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 6 am
  • 6°C
  • Feels like:
    6°C
Foggy
Foggy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 5km/hENE 57°
  • Humidity: 100%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 8 am
  • 7°C
  • Feels like:
    6°C
Foggy
Foggy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 5km/hENE 65°
  • Humidity: 100%
  • Pressure: 1023mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
Sunrise: 8:29 am
  • 10 am
  • 9°C
  • Feels like:
    9°C
Foggy
Foggy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 4km/hE 83°
  • Humidity: 98%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 12 pm
  • 11°C
  • Feels like:
    11°C
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 5km/hE 96°
  • Humidity: 90%
  • Pressure: 1024mbar
  • Visibility: 4km
  • UV index: 1
  • ▼
  • 2 pm
  • 13°C
  • Feels like:
    12°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 9km/hESE 112°
  • Humidity: 84%
  • Pressure: 1023mbar
  • Visibility: 11km
  • UV index: 2
  • ▼
  • 4 pm
  • 13°C
  • Feels like:
    12°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 12km/hESE 105°
  • Humidity: 81%
  • Pressure: 1022mbar
  • Visibility: 14km
  • UV index: 1
  • ▼
  • 6 pm
  • 12°C
  • Feels like:
    11°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 11km/hESE 104°
  • Humidity: 87%
  • Pressure: 1022mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
Sunset: 6:53 pm
  • 8 pm
  • 10°C
  • Feels like:
    10°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 8km/hE 83°
  • Humidity: 95%
  • Pressure: 1023mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 10 pm
  • 9°C
  • Feels like:
    9°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 7km/hENE 70°
  • Humidity: 100%
  • Pressure: 1023mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
Tomorrow, a combination of gloomy and low-visibility weather is expected.
The temperature will vary between the lowest temperature of 6°C and the highest temperature of 13°C. The warmest part of the day will be from 2 pm to 5 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The lowest temperature is also expected to be more similar to September's minimum average of 5.5°C than October's -0.9°C.
Updated: Oct 22, 2026 @ 18:58:18 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, morning fog is expected, but the sky will clear, bringing plenty of afternoon sunshine.

Tomorrow, the highest temperature will be 14°C, while the lowest temperature will be 8°C.
The maximum temperature will be a few degrees higher than the average highest temperature of 9.9°C in October. The lowest temperature will be noticeably 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, Canada, the length of the day tomorrow will be 10h and 24min.