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August weather forecast in National City

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

	759 mmHg		81%
	4.9 m/s		+21

27 July, Sunday. day, 23°; night, 18°; clear

28 July, mon

	760 mmHg		81%
	5 m/s		+21

28 July, Monday. day, 23°; night, 18°; partly cloudy

29 July, tue

	760 mmHg		81%
	5 m/s		+21

29 July, Tuesday. day, 22°; night, 18°; partly cloudy

30 July, wed

	760 mmHg		81%
	5.1 m/s		+21

30 July, Wednesday. day, 22°; night, 18°; partly cloudy

31 July, thu

	760 mmHg		81%
	4.9 m/s		+21

31 July, Thursday. day, 22°; night, 18°; partly cloudy

1 August, fri

	760 mmHg		81%
	4.9 m/s		+21

1 August, Friday. day, 23°; night, 18°; partly cloudy

2 August, sat

	760 mmHg		81%
	5.1 m/s		+21

2 August, Saturday. day, 23°; night, 18°; clear

3 August, sun

	760 mmHg		81%
	5.1 m/s		+21

3 August, Sunday. day, 23°; night, 18°; partly cloudy

4 August, mon

	759 mmHg		81%
	5 m/s		+21

4 August, Monday. day, 23°; night, 18°; clear

5 August, tue

	759 mmHg		81%
	5.1 m/s		+21

5 August, Tuesday. day, 23°; night, 18°; clear

6 August, wed

	759 mmHg		81%
	4.9 m/s		+21

6 August, Wednesday. day, 23°; night, 18°; clear

7 August, thu

	759 mmHg		81%
	5.1 m/s		+21

7 August, Thursday. day, 22°; night, 18°; partly cloudy

8 August, fri

	759 mmHg		81%
	4.8 m/s		+21

8 August, Friday. day, 23°; night, 18°; clear

9 August, sat

	759 mmHg		80%
	4.9 m/s		+21

9 August, Saturday. day, 23°; night, 18°; clear

10 August, sun

	759 mmHg		79%
	4.8 m/s		+21

10 August, Sunday. day, 23°; night, 18°; clear

11 August, mon

	759 mmHg		79%
	5.1 m/s		+21

11 August, Monday. day, 23°; night, 19°; partly cloudy

12 August, tue

	759 mmHg		80%
	4.9 m/s		+21

12 August, Tuesday. day, 23°; night, 18°; partly cloudy

13 August, wed

	759 mmHg		80%
	5 m/s		+21

13 August, Wednesday. day, 23°; night, 19°; clear

14 August, thu

	759 mmHg		80%
	4.9 m/s		+21

14 August, Thursday. day, 23°; night, 18°; clear

15 August, fri

	759 mmHg		80%
	4.8 m/s		+21

15 August, Friday. day, 23°; night, 19°; clear

16 August, sat

	759 mmHg		80%
	4.69 m/s		+21

16 August, Saturday. day, 23°; night, 19°; clear

17 August, sun

	759 mmHg		80%
	4.8 m/s		+21

17 August, Sunday. day, 23°; night, 19°; clear

18 August, mon

	759 mmHg		80%
	4.69 m/s		+21

18 August, Monday. day, 23°; night, 19°; clear

19 August, tue

	759 mmHg		80%
	4.8 m/s		+21

19 August, Tuesday. day, 23°; night, 19°; clear

20 August, wed

	759 mmHg		80%
	4.9 m/s		+21

20 August, Wednesday. day, 23°; night, 18°; clear

21 August, thu

	759 mmHg		80%
	5.1 m/s		+21

21 August, Thursday. day, 23°; night, 18°; partly cloudy

22 August, fri

	759 mmHg		80%
	5 m/s		+21

22 August, Friday. day, 23°; night, 19°; partly cloudy

23 August, sat

	759 mmHg		80%
	5 m/s		+21

23 August, Saturday. day, 23°; night, 18°; clear

24 August, sun

	759 mmHg		81%
	5.1 m/s		+21

24 August, Sunday. day, 23°; night, 18°; clear

25 August, mon

	759 mmHg		80%
	5.1 m/s		+21

25 August, Monday. day, 24°; night, 19°; clear

26 August, tue

	758 mmHg		80%
	5.3 m/s		+21

26 August, Tuesday. day, 24°; night, 19°; clear

27 August, wed

	758 mmHg		80%
	5.4 m/s		+21

27 August, Wednesday. day, 24°; night, 19°; clear

28 August, thu

	758 mmHg		80%
	5.1 m/s		+21

28 August, Thursday. day, 24°; night, 19°; clear

29 August, fri

	758 mmHg		80%
	5 m/s		+21

29 August, Friday. day, 24°; night, 19°; clear

30 August, sat

	758 mmHg		80%
	4.69 m/s		+21

30 August, Saturday. day, 24°; night, 19°; clear

31 August, sun

	758 mmHg		80%
	4.69 m/s		+22

31 August, Sunday. day, 24°; night, 19°; clear

1 September, mon

	757 mmHg		80%
	4.8 m/s		+22

1 September, Monday. day, 24°; night, 19°; clear

2 September, tue

	758 mmHg		79%
	4.9 m/s		+22

2 September, Tuesday. day, 24°; night, 19°; clear

3 September, wed

	758 mmHg		79%
	5.3 m/s		+22

3 September, Wednesday. day, 24°; night, 19°; clear

4 September, thu

	758 mmHg		79%
	5.4 m/s		+21

4 September, Thursday. day, 24°; night, 19°; clear

5 September, fri

	758 mmHg		79%
	5 m/s		+21

5 September, Friday. day, 24°; night, 19°; clear

6 September, sat

	758 mmHg		78%
	4.9 m/s		+21

6 September, Saturday. day, 24°; night, 19°; clear

Average data for 10 years

National City August

24

sunny days

0

days with precipitation

7

cloudy days

24 sunny days; 0 days with precipitation; 7 cloudy days;

80

%

air humidity

3

m/s

WindW

2

mm of precipitation

(1% of annual average)

+21

°C

Water temperature

air humidity 80%; 2 millimeters of precipitation (1% of annual average); Wind westerly 3 Meters per second; Water temperature +21°

Weather graphs for August

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

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

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

Los Angeles
Las Vegas
San Diego
Beverly Hills
Santa Monica
Yuma
Santa Barbara
Tijuana
San Clemente

Cities with similar weather in August

Lisbon
Toronto
Porto
Genoa
Santa Cruz de Tenerife
Funchal
Seattle
Las Palmas de Gran Canaria
Playa de las Americas

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

August in National City is the sunniest and the warmest month of the year. In August, the weather in National City is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, National City has 24 sunny and 7 partly cloudy days in August. August as well as July and September is considered the most comfortable time to visit National City.

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