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August weather forecast in Greater Sudbury

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

27 July, sun

	736 mmHg		74%
	4.3 m/s

27 July, Sunday. day, 25°; night, 15°; rain

28 July, mon

	736 mmHg		73%
	4.5 m/s

28 July, Monday. day, 24°; night, 15°; partly cloudy

29 July, tue

	736 mmHg		73%
	4.6 m/s

29 July, Tuesday. day, 24°; night, 14°; partly cloudy

30 July, wed

	737 mmHg		74%
	3.9 m/s

30 July, Wednesday. day, 25°; night, 13°; clear

31 July, thu

	737 mmHg		76%
	4 m/s

31 July, Thursday. day, 25°; night, 14°; partly cloudy

1 August, fri

	737 mmHg		76%
	4.19 m/s

1 August, Friday. day, 25°; night, 15°; rain

2 August, sat

	736 mmHg		77%
	4.5 m/s

2 August, Saturday. day, 25°; night, 15°; rain

3 August, sun

	737 mmHg		76%
	4.19 m/s

3 August, Sunday. day, 24°; night, 14°; rain

4 August, mon

	737 mmHg		76%
	4.3 m/s

4 August, Monday. day, 24°; night, 14°; rain

5 August, tue

	737 mmHg		72%
	4.5 m/s

5 August, Tuesday. day, 24°; night, 14°; clear

6 August, wed

	737 mmHg		73%
	4.19 m/s

6 August, Wednesday. day, 24°; night, 14°; rain

7 August, thu

	737 mmHg		76%
	4.3 m/s

7 August, Thursday. day, 24°; night, 14°; partly cloudy

8 August, fri

	737 mmHg		75%
	4.3 m/s

8 August, Friday. day, 24°; night, 14°; partly cloudy

9 August, sat

	737 mmHg		76%
	4.4 m/s

9 August, Saturday. day, 24°; night, 14°; clear

10 August, sun

	736 mmHg		78%
	4.4 m/s

10 August, Sunday. day, 24°; night, 15°; rain

11 August, mon

	736 mmHg		74%
	4.4 m/s

11 August, Monday. day, 24°; night, 14°; partly cloudy

12 August, tue

	737 mmHg		74%
	4 m/s

12 August, Tuesday. day, 24°; night, 13°; clear

13 August, wed

	737 mmHg		76%
	4.1 m/s

13 August, Wednesday. day, 23°; night, 13°; partly cloudy

14 August, thu

	738 mmHg		75%
	4.3 m/s

14 August, Thursday. day, 23°; night, 13°; overcast

15 August, fri

	737 mmHg		75%
	4.3 m/s

15 August, Friday. day, 24°; night, 13°; clear

16 August, sat

	737 mmHg		76%
	4.5 m/s

16 August, Saturday. day, 24°; night, 14°; clear

17 August, sun

	737 mmHg		77%
	4.69 m/s

17 August, Sunday. day, 23°; night, 13°; rain

18 August, mon

	737 mmHg		78%
	4.5 m/s

18 August, Monday. day, 22°; night, 12°; clear

19 August, tue

	738 mmHg		74%
	4.4 m/s

19 August, Tuesday. day, 22°; night, 12°; clear

20 August, wed

	738 mmHg		77%
	4.4 m/s

20 August, Wednesday. day, 23°; night, 13°; overcast

21 August, thu

	737 mmHg		78%
	4.4 m/s

21 August, Thursday. day, 23°; night, 13°; overcast

22 August, fri

	738 mmHg		78%
	4.6 m/s

22 August, Friday. day, 22°; night, 13°; rain

23 August, sat

	738 mmHg		77%
	4.4 m/s

23 August, Saturday. day, 22°; night, 13°; partly cloudy

24 August, sun

	738 mmHg		77%
	4 m/s

24 August, Sunday. day, 23°; night, 12°; partly cloudy

25 August, mon

	738 mmHg		79%
	4.4 m/s

25 August, Monday. day, 23°; night, 13°; rain

26 August, tue

	738 mmHg		79%
	4.19 m/s

26 August, Tuesday. day, 22°; night, 13°; rain

27 August, wed

	738 mmHg		78%
	4.1 m/s

27 August, Wednesday. day, 22°; night, 12°; rain

28 August, thu

	738 mmHg		78%
	4.4 m/s

28 August, Thursday. day, 22°; night, 12°; partly cloudy

29 August, fri

	737 mmHg		80%
	4.6 m/s

29 August, Friday. day, 22°; night, 13°; rain

30 August, sat

	738 mmHg		79%
	4.9 m/s

30 August, Saturday. day, 22°; night, 12°; clear

31 August, sun

	738 mmHg		78%
	4.4 m/s

31 August, Sunday. day, 22°; night, 12°; clear

1 September, mon

	739 mmHg		78%
	4.5 m/s

1 September, Monday. day, 22°; night, 12°; clear

2 September, tue

	738 mmHg		79%
	4.8 m/s

2 September, Tuesday. day, 22°; night, 12°; partly cloudy

3 September, wed

	737 mmHg		79%
	4.69 m/s

3 September, Wednesday. day, 22°; night, 13°; rain

4 September, thu

	738 mmHg		78%
	4.4 m/s

4 September, Thursday. day, 21°; night, 12°; partly cloudy

5 September, fri

	739 mmHg		78%
	4.4 m/s

5 September, Friday. day, 22°; night, 10°; clear

6 September, sat

	739 mmHg		79%
	4.6 m/s

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

Average data for 10 years

Greater Sudbury August

9

sunny days

12

days with precipitation

6

cloudy days

9 sunny days; 12 days with precipitation; 6 cloudy days;

77

%

air humidity

2.9

m/s

WindS

93

mm of precipitation

(11% of annual average)

air humidity 77%; 93 millimeters of precipitation (11% of annual average); Wind southerly 2.9 Meters per second

Weather graphs for August

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

SW

SW

S

SW

SW

SW

S

S

SW

SW

S

SW

SW

S

SW

SW

SW

S

S

S

S

SW

S

SW

SW

S

S

S

S

S

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

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25

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27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Toronto
Burlington
London
Hamilton
Brampton
Niagara Falls
Stratford
Waterloo
Niagara Falls

Cities with similar weather in August

Brussels
Geneva
Gyumri
Lima
Bern
Calgary
Bremen
Luxembourg
Dortmund

The weather forecast for August 2025 is based on historical data from the past 10 years.

In August, the weather in Greater Sudbury is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Greater Sudbury has 12 rainy, 9 sunny, 7 partly cloudy, and 3 cloudy days in August. The rains are usually heavy.

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