Thunder Bay (Canada) weather

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Forecast days

Today

Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -13° Celsius;

Sunrise: 07:56

Sunset: 20:13

Sunny intervals changing to partly cloudy by nighttime.

M UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: -2 degrees Celsius; Minimum nighttime temperature: -13 degrees Celsius;
Mon 23 Mar

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -3° Celsius;

Sunrise: 07:54

Sunset: 20:14

Partly cloudy changing to sunny by late morning.

M UV

No pollution data.

No pollen data.

Mon 23 Mar

Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: -3 degrees Celsius;
Tue 24 Mar

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: -8° Celsius;

Sunrise: 07:52

Sunset: 20:16

Partly cloudy changing to sunny by late morning.

M UV

No pollution data.

No pollen data.

Tue 24 Mar

Maximum daytime temperature: 2 degrees Celsius; Minimum nighttime temperature: -8 degrees Celsius;
Wed 25 Mar

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -7° Celsius;

Sunrise: 07:49

Sunset: 20:17

Overcast.

M UV

No pollution data.

No pollen data.

Wed 25 Mar

Maximum daytime temperature: -3 degrees Celsius; Minimum nighttime temperature: -7 degrees Celsius;
Thu 26 Mar

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: -11° Celsius;

Sunrise: 07:47

Sunset: 20:19

Light snow changing to overcast by lunchtime.

M UV

No pollution data.

No pollen data.

Thu 26 Mar

Maximum daytime temperature: 2 degrees Celsius; Minimum nighttime temperature: -11 degrees Celsius;
Fri 27 Mar

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -10° Celsius;

Sunrise: 07:45

Sunset: 20:20

Cloudy changing to sunny intervals by late morning.

M UV

No pollution data.

No pollen data.

Fri 27 Mar

Maximum daytime temperature: -3 degrees Celsius; Minimum nighttime temperature: -10 degrees Celsius;
Sat 28 Mar

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -9° Celsius;

Sunrise: 07:43

Sunset: 20:22

Sunny intervals.

M UV

No pollution data.

No pollen data.

Sat 28 Mar

Maximum daytime temperature: 0 degrees Celsius; Minimum nighttime temperature: -9 degrees Celsius;

Sunny intervals changing to partly cloudy by nighttime.

Sunrise: 07:56

Sunset: 20:13

M UV

No pollution data.

No pollen data.

7 day forecast for Thunder Bay

Today (22 March 2026)

Time	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-9°	-8°	-7°	-6°	-5°	-4°	-3°	-2°	-2°	-2°	-3°	-6°	-7°	-8°	-8°
Feels like temperature (°C)	-15°	-14°	-13°	-11°	-9°	-7°	-6°	-6°	-5°	-5°	-5°	-9°	-10°	-11°	-11°
Wind direction and speed (mph)	NNE 10	NNE 10	NNE 10	NNE 9	NNE 7	N 6	N 6	NNE 6	NNE 6	NNE 4	NNE 3	ENE 3	E 3	ESE 3	SE 3
Wind gust (mph)	21	22	21	19	16	15	15	15	14	10	7	5	5	6	5
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	80%	75%	74%	66%	63%	56%	54%	52%	47%	48%	57%	77%	83%	84%	84%
UV	1	1	2	4	4	4	4	3	1	1	-	-	-	-	-

Monday (23 March 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	20%
Temperature (°C)	-10°	-12°	-12°	-10°	-10°	-10°	-10°	-10°	-9°	-8°	-6°	-4°	-2°	-1°	1°	2°	3°	3°	2°	0°	-1°	-1°	-1°	0°
Feels like temperature (°C)	-13°	-15°	-15°	-13°	-13°	-14°	-15°	-16°	-15°	-13°	-11°	-9°	-6°	-4°	-2°	-1°	-1°	-1°	-3°	-4°	-5°	-5°	-5°	-4°
Wind direction and speed (mph)	SSE 3	SSE 3	S 3	WSW 3	WNW 4	WNW 5	WNW 6	WNW 7	WNW 7	WNW 6	WNW 7	WNW 7	WNW 7	W 6	W 5	SW 6	SSW 8	S 10	S 12	S 11	S 10	SSW 9	SSW 8	SW 8
Wind gust (mph)	5	4	5	5	7	10	14	14	13	13	15	16	15	14	16	17	22	24	24	22	19	17	16	16
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	85%	86%	86%	88%	88%	88%	91%	87%	87%	85%	76%	71%	64%	55%	44%	40%	39%	40%	49%	56%	63%	64%	64%	63%
UV	-	-	-	-	-	-	-	-	-	1	1	3	4	4	4	4	3	2	1	-	-	-	-	-

Tuesday (24 March 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	30%	30%	30%	20%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	<5%	<5%	20%
Temperature (°C)	0°	0°	1°	1°	0°	-1°	-2°	-2°	-3°	-3°	-2°	-2°	-1°	0°	1°	2°	2°	2°	2°	0°	-2°	-3°	-4°	-5°
Feels like temperature (°C)	-4°	-4°	-3°	-3°	-4°	-5°	-6°	-7°	-8°	-8°	-7°	-6°	-5°	-3°	-2°	-1°	-1°	-1°	-2°	-4°	-6°	-7°	-8°	-8°
Wind direction and speed (mph)	SW 8	WSW 8	WSW 8	W 9	WNW 9	NW 9	NW 9	NW 9	NW 9	NW 8	NNW 9	NNW 8	NNW 8	NNW 6	NNW 6	NW 6	WNW 5	W 6	SSW 6	SSE 7	SE 7	ESE 6	ESE 6	ESE 5
Wind gust (mph)	16	16	16	18	18	18	19	19	18	19	19	18	17	15	15	15	15	15	15	14	13	12	11	11
Visibility (description)	VG	G	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	72%	87%	89%	87%	83%	79%	79%	78%	78%	76%	71%	65%	59%	55%	49%	41%	40%	41%	44%	55%	61%	69%	72%	76%
UV	-	-	-	-	-	-	-	-	-	1	1	3	4	4	4	4	3	2	1	-	-	-	-	-

Wednesday (25 March 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	20%	10%	10%	10%	10%	10%	20%	10%	20%	10%	10%	10%	20%	20%	10%	10%	10%	10%	20%	20%	20%	30%	30%	40%
Temperature (°C)	-5°	-6°	-6°	-6°	-7°	-7°	-7°	-7°	-7°	-8°	-7°	-7°	-6°	-5°	-5°	-4°	-4°	-4°	-4°	-5°	-6°	-6°	-7°	-7°
Feels like temperature (°C)	-9°	-10°	-10°	-11°	-11°	-11°	-12°	-12°	-13°	-13°	-13°	-12°	-11°	-10°	-9°	-8°	-8°	-8°	-9°	-10°	-10°	-11°	-11°	-11°
Wind direction and speed (mph)	E 5	E 5	E 5	E 6	ENE 6	ENE 7	ENE 7	ENE 8	NE 8	NE 8	ENE 8	ENE 8	ENE 8	ENE 7	ENE 7	ENE 7	E 7	E 7	E 7	E 8	E 7	E 7	E 7	E 6
Wind gust (mph)	10	10	10	11	12	14	14	15	15	17	17	17	16	15	16	16	15	16	15	15	13	14	13	12
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	G	G
Humidity	80%	81%	85%	85%	84%	84%	85%	84%	84%	81%	81%	75%	74%	68%	66%	67%	70%	70%	70%	70%	78%	81%	86%	91%
UV	-	-	-	-	-	-	-	-	-	1	1	2	3	4	4	3	2	1	1	-	-	-	-	-

Thursday (26 March 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	23:00
Weather symbols
Chance of precipitation	40%	50%	60%	60%	60%	70%	80%	70%	50%	50%	50%	30%	20%	10%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-6°	-6°	-5°	-5°	-5°	-4°	-4°	-4°	-4°	-3°	-3°	-2°	-2°	-1°	-1°	-1°	-1°	-1°	-2°	-3°	-4°	-6°
Feels like temperature (°C)	-11°	-10°	-10°	-10°	-9°	-9°	-8°	-8°	-8°	-8°	-7°	-7°	-7°	-7°	-6°	-6°	-7°	-7°	-8°	-9°	-10°	-13°
Wind direction and speed (mph)	E 6	ESE 6	ESE 7	ESE 7	ESE 7	ESE 7	SE 6	SE 6	SE 6	SE 7	W 8	NW 9	NW 10	NW 11	NW 13	NW 14	NNW 14	NNW 14	NNW 13	NNW 12	NNW 11	NW 11
Wind gust (mph)	12	12	13	14	14	14	12	13	15	17	18	21	23	24	29	28	29	28	27	25	23	23
Visibility (description)	M	M	P	P	P	P	P	P	P	P	M	M	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	91%	94%	94%	96%	96%	97%	97%	98%	96%	96%	92%	87%	83%	72%	65%	62%	61%	58%	56%	57%	60%	64%
UV	-	-	-	-	-	-	-	-	-	1	1	2	3	3	4	3	2	2	1	-	-	-

Friday (27 March 2026)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-8°	-10°	-11°	-9°	-6°	-4°	-5°	-7°
Feels like temperature (°C)	-15°	-17°	-18°	-16°	-12°	-10°	-11°	-12°
Wind direction and speed (mph)	NW 10	NW 9	NW 9	WNW 10	WNW 11	WNW 12	WNW 9	WNW 7
Wind gust (mph)	20	17	22	24	26	25	17	15
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	63%	66%	70%	55%	42%	39%	42%	57%
UV	-	-	-	3	5	2	-	-

Saturday (28 March 2026)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	10%	<5%	<5%	<5%	10%
Temperature (°C)	-8°	-8°	-9°	-6°	-3°	-1°	-2°	-4°
Feels like temperature (°C)	-14°	-14°	-16°	-13°	-9°	-7°	-7°	-9°
Wind direction and speed (mph)	WNW 8	WNW 8	WNW 8	WNW 11	WNW 12	W 12	W 9	W 7
Wind gust (mph)	16	17	22	25	26	24	16	15
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	64%	67%	68%	53%	42%	36%	39%	54%
UV	-	-	-	3	4	2	-	-

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Forecast for 10am (UTC-4) Sunday

Updated 12:21 (UTC) on Sun 22 Mar 2026

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Thunder Bay (Canada) weather

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Forecast days

Today

Today

Mon 23 Mar

Mon 23 Mar

Tue 24 Mar

Tue 24 Mar

Wed 25 Mar

Wed 25 Mar

Thu 26 Mar

Thu 26 Mar

Fri 27 Mar

Fri 27 Mar

Sat 28 Mar

Sat 28 Mar

7 day forecast for Thunder Bay

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