Weather Thunder Bay long-term weather forecast

Long-term weather forecast for Thunder Bay for ten days.

Wednesday, Jan 14

5 / -9°F

0.00 in

10 mph

21 °F	12 °F	1 am
10 °F	1 °F	7 am
7 °F	0 °F	1 pm
5 °F	-2 °F	7 pm

sunrise 8:43 am
sunset 5:29 pm

HOURLY

From morning untill noon light snow, in the afternoon partly cloudy, in the evening initially partly cloudy, later clear. The highest temperature 5 °F. Total rainfall 0.02 in. At night cloudy. The lowest temperature -9 °F.

Interactive map weather Ontario

GPS: 48.3820; -89.2502

altitude: 652 ft
local time:

PLACES IN THE AREA

Weather forecast Thunder Bay, Ontario extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Wednesday 01/14/2026
1 AM	light snow	21 °F 12 °F	0.02 in	26 fps 17 mph north-northeast	29.5 in	75 %	16 °F	100 %	0%	82%	100%	57%
7 AM	overcast	10 °F 1 °F	0.0 in	23 fps 16 mph north	29.9 in	70 %	3 °F	100 %	0%	37%	100%	71%
1 PM	partly cloudy	7 °F 0 °F	0.0 in	15 fps 10 mph north	30.2 in	58 %	-2 °F	14 %	0%	14%	0%	0%
7 PM	clear	5 °F -2 °F	0.0 in	13 fps 9 mph north-northwest	30.3 in	66 %	-2 °F	11 %	0%	0%	11%	0%
Thursday 01/15/2026
1 AM	cloudy	1 °F -6 °F	0.0 in	7 fps 4 mph northwest	30.3 in	71 %	-6 °F	80 %	0%	0%	80%	0%
7 AM	clear	-6 °F -13 °F	0.0 in	6 fps 4 mph northwest	30.2 in	73 %	-11 °F	0 %	0%	0%	0%	0%
1 PM	clear	3 °F -4 °F	0.0 in	2 fps 1 mph west	30.2 in	60 %	-6 °F	0 %	0%	0%	0%	0%
7 PM	overcast	12 °F 5 °F	0.0 in	5 fps 4 mph south-southwest	30.0 in	83 %	9 °F	88 %	0%	88%	0%	0%

Thunder Bay, Ontario - information

State: Ontario

GPS coordinates: 48.3820; -89.2502

Time zone: America / Toronto time difference in hours with time in NY is -6 hours

Population: 107 909
Altitude: 652 ft
The administrative part:

Ontario, Toronto
, Thunder Bay

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Data source

Weather forecast for Thunder Bay is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information Thunder Bay

data are always in the local time

Sun and light

Jan. 14, 2026

Sunrise:	Sunset:
8:43 am	5:29 pm
Noon:	Length of day:
1:06 pm	08:45
Start of civil twilight*:	End of civil twilight*:
8:07 am	6:05 pm
Start of nautical twilight*:	End of nautical twilight*:
7:29 am	6:43 pm
Start of astronomical twilight*:	End of astronomical twilight*:
6:51 am	7:20 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/14/2026 5:47 am	01/14/2026 1:27 pm
Next new moon:	Next full moon:
01/18/2026	02/01/2026