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August weather forecast in St Catharines

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

	749 mmHg		66%
	7 m/s		+22

27 July, Sunday. day, 25°; night, 21°; clear

28 July, mon

	750 mmHg		66%
	5.1 m/s		+22

28 July, Monday. day, 25°; night, 21°; rain

29 July, tue

	752 mmHg		62%
	4.8 m/s		+22

29 July, Tuesday. day, 25°; night, 21°; clear

30 July, wed

	751 mmHg		62%
	4.9 m/s		+22

30 July, Wednesday. day, 25°; night, 21°; clear

31 July, thu

	750 mmHg		64%
	5.3 m/s		+22

31 July, Thursday. day, 25°; night, 22°; clear

1 August, fri

	750 mmHg		64%
	5 m/s		+22

1 August, Friday. day, 26°; night, 22°; partly cloudy

2 August, sat

	750 mmHg		67%
	6 m/s		+22

2 August, Saturday. day, 25°; night, 22°; partly cloudy

3 August, sun

	751 mmHg		64%
	5.6 m/s		+23

3 August, Sunday. day, 26°; night, 21°; clear

4 August, mon

	751 mmHg		62%
	5 m/s		+23

4 August, Monday. day, 25°; night, 21°; partly cloudy

5 August, tue

	750 mmHg		63%
	5.5 m/s		+22

5 August, Tuesday. day, 25°; night, 21°; clear

6 August, wed

	751 mmHg		62%
	5.3 m/s		+22

6 August, Wednesday. day, 24°; night, 21°; clear

7 August, thu

	751 mmHg		64%
	5.1 m/s		+22

7 August, Thursday. day, 25°; night, 20°; rain

8 August, fri

	751 mmHg		66%
	5.1 m/s		+22

8 August, Friday. day, 24°; night, 20°; clear

9 August, sat

	751 mmHg		63%
	5 m/s		+23

9 August, Saturday. day, 25°; night, 21°; clear

10 August, sun

	750 mmHg		69%
	5.1 m/s		+22

10 August, Sunday. day, 24°; night, 21°; clear

11 August, mon

	750 mmHg		72%
	5.8 m/s		+22

11 August, Monday. day, 24°; night, 21°; rain

12 August, tue

	750 mmHg		68%
	5.8 m/s		+23

12 August, Tuesday. day, 24°; night, 20°; clear

13 August, wed

	751 mmHg		66%
	5.5 m/s		+22

13 August, Wednesday. day, 24°; night, 20°; rain

14 August, thu

	751 mmHg		68%
	4.5 m/s		+22

14 August, Thursday. day, 24°; night, 21°; rain

15 August, fri

	753 mmHg		62%
	5.5 m/s		+22

15 August, Friday. day, 25°; night, 21°; clear

16 August, sat

	753 mmHg		63%
	6.3 m/s		+22

16 August, Saturday. day, 26°; night, 21°; partly cloudy

17 August, sun

	751 mmHg		66%
	6 m/s		+22

17 August, Sunday. day, 25°; night, 22°; partly cloudy

18 August, mon

	750 mmHg		62%
	5.3 m/s		+22

18 August, Monday. day, 25°; night, 21°; clear

19 August, tue

	751 mmHg		64%
	5.4 m/s		+22

19 August, Tuesday. day, 25°; night, 21°; rain

20 August, wed

	751 mmHg		64%
	5.6 m/s		+22

20 August, Wednesday. day, 24°; night, 21°; rain

21 August, thu

	751 mmHg		67%
	5.6 m/s		+22

21 August, Thursday. day, 24°; night, 21°; rain

22 August, fri

	753 mmHg		66%
	6 m/s		+21

22 August, Friday. day, 23°; night, 19°; rain

23 August, sat

	754 mmHg		62%
	5.6 m/s		+22

23 August, Saturday. day, 24°; night, 20°; partly cloudy

24 August, sun

	753 mmHg		62%
	5.5 m/s		+22

24 August, Sunday. day, 24°; night, 20°; clear

25 August, mon

	754 mmHg		67%
	5.6 m/s		+21

25 August, Monday. day, 23°; night, 20°; clear

26 August, tue

	754 mmHg		62%
	5.5 m/s		+21

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

27 August, wed

	753 mmHg		62%
	6 m/s		+21

27 August, Wednesday. day, 22°; night, 19°; partly cloudy

28 August, thu

	753 mmHg		62%
	4.9 m/s		+21

28 August, Thursday. day, 24°; night, 20°; clear

29 August, fri

	753 mmHg		64%
	5.5 m/s		+21

29 August, Friday. day, 24°; night, 20°; rain

30 August, sat

	753 mmHg		63%
	5.5 m/s		+22

30 August, Saturday. day, 24°; night, 21°; clear

31 August, sun

	753 mmHg		64%
	5.4 m/s		+22

31 August, Sunday. day, 25°; night, 21°; clear

1 September, mon

	752 mmHg		64%
	5.3 m/s		+22

1 September, Monday. day, 24°; night, 21°; rain

2 September, tue

	751 mmHg		62%
	4.9 m/s		+22

2 September, Tuesday. day, 24°; night, 20°; clear

3 September, wed

	751 mmHg		62%
	7 m/s		+22

3 September, Wednesday. day, 24°; night, 21°; clear

4 September, thu

	753 mmHg		66%
	5.9 m/s		+22

4 September, Thursday. day, 22°; night, 19°; partly cloudy

5 September, fri

	754 mmHg		63%
	5.3 m/s		+21

5 September, Friday. day, 23°; night, 19°; partly cloudy

6 September, sat

	752 mmHg		68%
	6.9 m/s		+21

6 September, Saturday. day, 23°; night, 19°; clear

Average data for 10 years

St Catharines August

15

sunny days

9

days with precipitation

7

cloudy days

15 sunny days; 9 days with precipitation; 7 cloudy days;

64

%

air humidity

3.9

m/s

WindSW

68

mm of precipitation

(8% of annual average)

+22

°C

Water temperature

air humidity 64%; 68 millimeters of precipitation (8% of annual average); Wind south-westerly 3.9 Meters per second; Water temperature +22°

Weather graphs for August

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

SW

SW

SW

W

SW

W

SW

W

W

SW

SW

W

W

W

SW

SW

SW

SW

SW

SW

W

N

SW

SW

W

NE

NE

SW

SW

SW

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

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Toronto
Detroit
Buffalo
Macedonia
Pittsburgh
Cleveland
London
Altoona
Scranton

Cities with similar weather in August

Rio de Janeiro
Boston
Marseilles
Balkhash
Bali
San Remo
Loanda
Mogadishu
Mombasa

The weather forecast for August 2024 is based on historical data from the past 10 years.

In August, the weather in St Catharines is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, St Catharines has 15 sunny, 9 rainy, and 7 partly cloudy days in August. The rains are usually moderate.

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