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Monthly weather forecast in Thunder Bay

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

25 August, sun

	748 mmHg		84%
	3.8 m/s

Climate normal

25 August, Sunday. day, 23°; night, 20°; light rain

26 August, mon

	745 mmHg		79%
	2.7 m/s		+14

Climate normal

26 August, Monday. day, 28°; night, 19°; light rain

27 August, tue

	747 mmHg		60%
	4.4 m/s		+13

Climate normal

27 August, Tuesday. day, 22°; night, 15°; overcast

28 August, wed

	749 mmHg		66%
	4.7 m/s		+12

Climate normal

28 August, Wednesday. day, 16°; night, 13°; rain

29 August, thu

	747 mmHg		74%
	4.8 m/s		+13

Climate normal

29 August, Thursday. day, 19°; night, 17°; thunderstorm with rain

30 August, fri

	740 mmHg		61%
	5.4 m/s		+12

Climate normal

30 August, Friday. day, 23°; night, 16°; partly cloudy

31 August, sat

	741 mmHg		52%
	6.1 m/s		+12

Climate normal

31 August, Saturday. day, 24°; night, 14°; light rain

1 September, sun

	747 mmHg		50%
	5.2 m/s		+12

Climate normal

1 September, Sunday. day, 20°; night, 11°; light rain

2 September, mon

	748 mmHg		57%
	4.3 m/s		+13

Climate normal

2 September, Monday. day, 22°; night, 13°; partly cloudy

3 September, tue

	747 mmHg		62%
	3.3 m/s		+13

Climate normal

3 September, Tuesday. day, 23°; night, 13°; mostly clear

4 September, wed

	746 mmHg		62%
	3.4 m/s		+13

Climate normal

4 September, Wednesday. day, 24°; night, 15°; mostly clear

5 September, thu

	744 mmHg		69%
	4 m/s

Climate normal

5 September, Thursday. day, 21°; night, 14°; partly cloudy

6 September, fri

	742 mmHg		65%
	4.3 m/s

Climate normal

6 September, Friday. day, 21°; night, 12°; partly cloudy

7 September, sat

	743 mmHg		65%
	4.5 m/s

Climate normal

7 September, Saturday. day, 15°; night, 12°; mostly clear

8 September, sun

	744 mmHg		57%
	3.6 m/s

Climate normal

8 September, Sunday. day, 15°; night, 12°; clear

9 September, mon

	744 mmHg		71%
	3.6 m/s

Climate normal

9 September, Monday. day, 16°; night, 14°; clear

10 September, tue

	745 mmHg		81%
	4.2 m/s

Climate normal

10 September, Tuesday. day, 17°; night, 15°; clear

11 September, wed

	746 mmHg		76%
	4.9 m/s

Climate normal

11 September, Wednesday. day, 18°; night, 16°; clear

12 September, thu

	743 mmHg		78%
	4.5 m/s

Climate normal

12 September, Thursday. day, 17°; night, 15°; clear

13 September, fri

	740 mmHg		82%
	4.4 m/s

Climate normal

13 September, Friday. day, 16°; night, 15°; clear

14 September, sat

	738 mmHg		85%
	6.4 m/s

Climate normal

14 September, Saturday. day, 17°; night, 16°; mostly clear

15 September, sun

	736 mmHg		88%
	7.5 m/s

Climate normal

15 September, Sunday. day, 17°; night, 16°; light rain

16 September, mon

	734 mmHg		76%
	7 m/s

Climate normal

16 September, Monday. day, 16°; night, 14°; mostly clear

17 September, tue

	736 mmHg		75%
	6 m/s

Climate normal

17 September, Tuesday. day, 17°; night, 15°; clear

18 September, wed

	735 mmHg		86%
	9.3 m/s

Climate normal

18 September, Wednesday. day, 13°; night, 11°; light rain

19 September, thu

	738 mmHg		76%
	6.9 m/s

Climate normal

19 September, Thursday. day, 12°; night, 11°; partly cloudy

20 September, fri

	736 mmHg		70%
	5.7 m/s

Climate normal

20 September, Friday. day, 16°; night, 14°; clear

21 September, sat

	736 mmHg		71%
	6.9 m/s

Climate normal

21 September, Saturday. day, 14°; night, 13°; mostly clear

22 September, sun

	735 mmHg		68%
	5 m/s

Climate normal

22 September, Sunday. day, 16°; night, 15°; light rain

23 September, mon

	734 mmHg		80%
	4.9 m/s

Climate normal

23 September, Monday. day, 16°; night, 15°; partly cloudy

24 September, tue

	734 mmHg		78%
	4.3 m/s

Climate normal

24 September, Tuesday. day, 18°; night, 17°; clear

Average data for 10 years

Next, the average data for 10 years

25 September, wed

	732 mmHg		79%
	4.6 m/s		+12

25 September, Wednesday. day, 14°; night, 11°; clear

26 September, thu

	727 mmHg		73%
	5.6 m/s		+13

26 September, Thursday. day, 15°; night, 12°; rain

27 September, fri

	728 mmHg		74%
	6.5 m/s		+12

27 September, Friday. day, 15°; night, 13°; clear

28 September, sat

	732 mmHg		70%
	7.4 m/s		+11

28 September, Saturday. day, 12°; night, 9°; partly cloudy

Average for 30 days

17

sunny days

6

days with precipitation

7

cloudy days

17 sunny days; 6 days with precipitation; 7 cloudy days;

71

%

air humidity

5.1

m/s

WindSE

7

mm of precipitation

(2% of annual average)

+13

°C

Water temperature

air humidity 71%; 7 millimeters of precipitation (2% of annual average); Wind south-easterly 5.1 Meters per second; Water temperature +13°

Forecast in graphs

TemperatureHumidity, %Wind, m/sPressure, mmHg

SW

NE

E

SE

W

W

NW

SW

SW

S

NE

NW

E

E

SE

SE

SE

SE

SE

SE

SE

W

W

W

NW

SW

NW

S

NW

SE

26

Average data for 10 years

27

28

29

30

31

1

September

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

Daytime temperature

Night-time temperature

Weather forecast for the month based on historical data from the last 10 years.

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