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Thunder Bay Waterfront (14944901900)Photo: Derek Hatfield from Peterborough, Canada · CC BY 2.0
Weather in Thunder Bay · ECCC forecast and 1991–2020 normals

Thunder Bay, tomorrow: sunny, and the thermometer reaches 4 degrees

Thunder Bay’s November average makes a useful yardstick: afternoons reach 3°C, nights fall to −7°C. Tomorrow stays dry, with only a light wind of up to 10 km/h and a low of −8°C. For warmth, Monday is the pick of the days ahead at 8°C; the chilliest afternoon gets to just 6°C.

Winter −6°/−17°CSpring 9°/−5°CSummer 24°/10°CAutumn 11°/−1°C
Right now
0°C
Mainly Clear
High 4°C · Low −8°C · Wind 8 km/h
Tomorrow is about normal for 14 November
Sunrise 08:01 · sunset 17:21
Observed at Thunder Bay Airport, 18:00
Tomorrow
4°C / −8°C
A normal 14 November: 3°C / −6°C
Chance of snow
0%
Unlikely in the next 24 hours
Wind
8 km/h
From the WNW · gusts 30 km/h · up to 10 km/h tomorrow
Wind chill
−3
what it feels like now
Daylight
9 h 18 min
08:01 to 17:20
Hour by hour · °C

The next 24 hours in Thunder Bay

Look for 4°C around 16:00 and −8°C around 07:00. The chance of snow stays low.

19:00 · −2°C · A few clouds · 0% chance of snow · wind 10 km/h−2°Now20:00 · −3°C · A few clouds · 0% chance of snow · wind 10 km/h21:00 · −3°C · A few clouds · 0% chance of snow · wind 10 km/h−3°22:00 · −4°C · A few clouds · 0% chance of snow · wind 10 km/h22:0023:00 · −4°C · A few clouds · 0% chance of snow · wind 10 km/h−4°00:00 · −5°C · A few clouds · 0% chance of snow · wind 10 km/h01:00 · −5°C · A few clouds · 0% chance of snow · wind 10 km/h−5°01:0002:00 · −5°C · A few clouds · 0% chance of snow · wind 10 km/h03:00 · −6°C · A few clouds · 0% chance of snow · wind 10 km/h−6°04:00 · −6°C · A few clouds · 0% chance of snow · wind 10 km/h04:0005:00 · −7°C · A few clouds · 0% chance of snow · wind 10 km/h−7°06:00 · −7°C · A few clouds · 0% chance of snow · wind 10 km/h07:00 · −8°C · A few clouds · 0% chance of snow · wind 10 km/h−8°07:0008:00 · −7°C · Mainly sunny · 0% chance of snow · wind 10 km/h09:00 · −5°C · Mainly sunny · 0% chance of snow · wind 10 km/h−5°10:00 · −4°C · Mainly sunny · 0% chance of snow · wind 10 km/h10:0011:00 · −2°C · Mainly sunny · 0% chance of snow · wind 10 km/h−2°12:00 · 0°C · Mainly sunny · 0% chance of rain or snow · wind 10 km/h13:00 · 2°C · Sunny · 0% chance of rain or snow · wind 5 km/h2°13:0014:00 · 3°C · Sunny · 0% chance of rain · wind 5 km/h15:00 · 3°C · Sunny · 0% chance of rain · wind 5 km/h3°16:00 · 4°C · Sunny · 0% chance of rain · wind 5 km/h4°16:0017:00 · 2°C · Clear · 0% chance of rain or snow · wind 5 km/h2°18:00 · 1°C · Clear · 0% chance of rain or snow · wind 5 km/h
TemperatureChance of snowNight
7 days · °C

The week ahead, against a normal week

The week leans warm against the normals. Tap a day for more.

Sat14 NovSunny−8°4°normal

Saturday: Sunny. Wind up to 15 km/h. High plus 4. Wind chill minus 13 in the morning.

Saturday night: Clear. Wind up to 15 km/h. Low minus 8. Wind chill minus 13 overnight.

Sun15 NovA mix of sun and cloud−4°6°+3°

Sunday: A mix of sun and cloud. High 6.

Sunday night: Cloudy periods. Low minus 4.

Mon16 NovA mix of sun and cloud−1°8°+6°

Monday: A mix of sun and cloud. High 8.

Monday night: Cloudy periods. Low minus 1.

Tue17 NovA mix of sun and cloud2°8°+6°

Tuesday: A mix of sun and cloud. High 8.

Tuesday night: Cloudy periods. Low plus 2.

Wed18 NovCloudy3°7°+5°

Wednesday: Cloudy. High 7.

Wednesday night: Cloudy. Low plus 3.

Thu19 NovChance of showers30% chance6°+4°

Thursday: Cloudy with 30 percent chance of showers. High 6.

Normal range for the date (ECCC 1991–2020 normals, Thunder Bay)Forecast low to high
A normal year

Where today sits in Thunder Bay’s year

Typical highs and lows month by month, from the ECCC averages.

Full climate →
Winter
−6° / −17°
96 mm of rain and snow
Spring
9° / −5°
166 mm of rain and snow
Summer
24° / 10°
311 mm of rain and snow, the wettest season
Autumn now
11° / −1°
216 mm of rain and snow
Best months to be outside
JulAug
Highs of 17–27°C and nights of 8°C or more
When is it wettest?July, with 117 mm.What is each month like?Highs, lows, rain and snow for all 12.

Warnings and more

Alerts come from Environment and Climate Change Canada; its warnings page is the place to check in bad weather.

Weather alertsNo ECCC alert is in force here just now; any new one appears on its warnings page.ECCC forecast: Thunder BayECCC’s city page for the site, 1.2 km from the town, with its radar and more.Thunder Bay’s climateNormals by month, frost dates, snow and how the town compares.Flood & hazardsWhat could go wrong in Thunder Bay: wildfire, flooding, earthquakes, radon.

Forecast, current conditions and alerts: Environment and Climate Change Canada’s city page for Thunder Bay, fetched 13 November, 18:29. Normals: ECCC 1991–2020, Thunder Bay. Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence

Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).