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August weather forecast in Arcata

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

	762 mmHg		93%
	6.1 m/s		+14

27 July, Sunday. day, 13°; night, 12°; clear

28 July, mon

	762 mmHg		93%
	6 m/s		+14

28 July, Monday. day, 13°; night, 12°; partly cloudy

29 July, tue

	762 mmHg		93%
	5.8 m/s		+14

29 July, Tuesday. day, 13°; night, 12°; partly cloudy

30 July, wed

	762 mmHg		93%
	6 m/s		+14

30 July, Wednesday. day, 13°; night, 12°; overcast

31 July, thu

	762 mmHg		92%
	5.9 m/s		+14

31 July, Thursday. day, 13°; night, 12°; overcast

1 August, fri

	762 mmHg		93%
	5.6 m/s		+14

1 August, Friday. day, 13°; night, 12°; partly cloudy

2 August, sat

	763 mmHg		94%
	5.7 m/s		+14

2 August, Saturday. day, 13°; night, 12°; partly cloudy

3 August, sun

	762 mmHg		94%
	5.9 m/s		+14

3 August, Sunday. day, 13°; night, 12°; partly cloudy

4 August, mon

	762 mmHg		95%
	5.6 m/s		+14

4 August, Monday. day, 13°; night, 12°; overcast

5 August, tue

	762 mmHg		95%
	5.7 m/s		+14

5 August, Tuesday. day, 13°; night, 12°; overcast

6 August, wed

	762 mmHg		94%
	5.9 m/s		+14

6 August, Wednesday. day, 13°; night, 12°; overcast

7 August, thu

	762 mmHg		93%
	6 m/s		+14

7 August, Thursday. day, 13°; night, 12°; overcast

8 August, fri

	762 mmHg		92%
	6.1 m/s		+14

8 August, Friday. day, 13°; night, 12°; partly cloudy

9 August, sat

	762 mmHg		92%
	6.1 m/s		+14

9 August, Saturday. day, 14°; night, 12°; clear

10 August, sun

	762 mmHg		93%
	5.4 m/s		+14

10 August, Sunday. day, 13°; night, 12°; clear

11 August, mon

	762 mmHg		94%
	5.7 m/s		+14

11 August, Monday. day, 13°; night, 12°; clear

12 August, tue

	762 mmHg		93%
	5.9 m/s		+14

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

13 August, wed

	762 mmHg		93%
	5.7 m/s		+14

13 August, Wednesday. day, 14°; night, 12°; clear

14 August, thu

	762 mmHg		93%
	5.8 m/s		+14

14 August, Thursday. day, 14°; night, 12°; partly cloudy

15 August, fri

	762 mmHg		92%
	6.1 m/s		+14

15 August, Friday. day, 14°; night, 13°; partly cloudy

16 August, sat

	762 mmHg		92%
	6.1 m/s		+15

16 August, Saturday. day, 14°; night, 13°; clear

17 August, sun

	762 mmHg		93%
	6.5 m/s		+15

17 August, Sunday. day, 14°; night, 12°; clear

18 August, mon

	762 mmHg		93%
	6.2 m/s		+14

18 August, Monday. day, 14°; night, 12°; clear

19 August, tue

	761 mmHg		93%
	6.2 m/s		+14

19 August, Tuesday. day, 13°; night, 12°; partly cloudy

20 August, wed

	761 mmHg		92%
	6 m/s		+14

20 August, Wednesday. day, 13°; night, 12°; partly cloudy

21 August, thu

	761 mmHg		94%
	5.7 m/s		+14

21 August, Thursday. day, 14°; night, 12°; partly cloudy

22 August, fri

	762 mmHg		94%
	5.9 m/s		+14

22 August, Friday. day, 14°; night, 12°; partly cloudy

23 August, sat

	761 mmHg		92%
	6.2 m/s		+14

23 August, Saturday. day, 14°; night, 12°; rain

24 August, sun

	761 mmHg		92%
	5.9 m/s		+14

24 August, Sunday. day, 14°; night, 13°; rain

25 August, mon

	761 mmHg		93%
	5.7 m/s		+14

25 August, Monday. day, 14°; night, 12°; clear

26 August, tue

	761 mmHg		93%
	5.9 m/s		+14

26 August, Tuesday. day, 14°; night, 12°; clear

27 August, wed

	761 mmHg		90%
	5.7 m/s		+14

27 August, Wednesday. day, 14°; night, 13°; clear

28 August, thu

	761 mmHg		90%
	5.6 m/s		+14

28 August, Thursday. day, 14°; night, 13°; clear

29 August, fri

	761 mmHg		92%
	5.9 m/s		+14

29 August, Friday. day, 14°; night, 13°; partly cloudy

30 August, sat

	762 mmHg		92%
	6.5 m/s		+14

30 August, Saturday. day, 14°; night, 13°; partly cloudy

31 August, sun

	761 mmHg		90%
	7.1 m/s		+14

31 August, Sunday. day, 14°; night, 12°; clear

1 September, mon

	760 mmHg		90%
	6.5 m/s		+15

1 September, Monday. day, 14°; night, 13°; clear

2 September, tue

	760 mmHg		89%
	5.9 m/s		+15

2 September, Tuesday. day, 14°; night, 13°; clear

3 September, wed

	761 mmHg		89%
	6.2 m/s		+14

3 September, Wednesday. day, 14°; night, 13°; clear

4 September, thu

	761 mmHg		90%
	6.1 m/s		+14

4 September, Thursday. day, 14°; night, 12°; clear

5 September, fri

	762 mmHg		89%
	6.6 m/s		+14

5 September, Friday. day, 14°; night, 13°; clear

6 September, sat

	762 mmHg		89%
	6.6 m/s		+14

6 September, Saturday. day, 14°; night, 13°; clear

Average data for 10 years

Arcata August

13

sunny days

2

days with precipitation

4

cloudy days

13 sunny days; 2 days with precipitation; 4 cloudy days;

93

%

air humidity

3.9

m/s

WindNW

14

mm of precipitation

(1% of annual average)

+14

°C

Water temperature

air humidity 93%; 14 millimeters of precipitation (1% of annual average); Wind north-westerly 3.9 Meters per second; Water temperature +14°

Weather graphs for August

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

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

W

NW

NW

NW

W

W

W

W

NW

NW

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

San Francisco
Sacramento
Oakland
Redding
Eugene
Stanford
Palo Alto
Washington
Rancho Cordova

Cities with similar weather in August

San Francisco
Copenhagen
Lima
Brisbane
Bruges
San Jose
Rostock
Lubek
Durban

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

In August, the weather in Arcata is typically warm. Average daily high temperature in August is about 14 degrees above zero. On average, Arcata has 13 sunny, 12 partly cloudy, 4 cloudy, and 2 rainy days in August. The rains are usually light.

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