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August weather forecast in Arendal

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

	753 mmHg		71%
	4.3 m/s		+20

27 July, Sunday. day, 21°; night, 13°; partly cloudy

28 July, mon

	753 mmHg		71%
	4.5 m/s		+19

28 July, Monday. day, 22°; night, 13°; clear

29 July, tue

	753 mmHg		72%
	4.1 m/s		+20

29 July, Tuesday. day, 21°; night, 13°; overcast

30 July, wed

	752 mmHg		72%
	4.69 m/s		+20

30 July, Wednesday. day, 22°; night, 13°; partly cloudy

31 July, thu

	752 mmHg		70%
	4.69 m/s		+20

31 July, Thursday. day, 21°; night, 13°; rain

1 August, fri

	753 mmHg		71%
	4.4 m/s		+20

1 August, Friday. day, 21°; night, 13°; clear

2 August, sat

	754 mmHg		74%
	4.5 m/s		+19

2 August, Saturday. day, 21°; night, 13°; overcast

3 August, sun

	753 mmHg		74%
	4.8 m/s		+19

3 August, Sunday. day, 21°; night, 13°; rain

4 August, mon

	753 mmHg		73%
	4.6 m/s		+19

4 August, Monday. day, 21°; night, 13°; partly cloudy

5 August, tue

	754 mmHg		71%
	4.4 m/s		+20

5 August, Tuesday. day, 21°; night, 13°; clear

6 August, wed

	754 mmHg		71%
	4.5 m/s		+19

6 August, Wednesday. day, 21°; night, 13°; clear

7 August, thu

	753 mmHg		72%
	4.5 m/s		+19

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

8 August, fri

	752 mmHg		74%
	4.4 m/s		+19

8 August, Friday. day, 20°; night, 13°; rain

9 August, sat

	753 mmHg		73%
	4.69 m/s		+19

9 August, Saturday. day, 21°; night, 12°; overcast

10 August, sun

	754 mmHg		72%
	4.69 m/s		+18

10 August, Sunday. day, 21°; night, 13°; rain

11 August, mon

	754 mmHg		72%
	4.69 m/s		+19

11 August, Monday. day, 21°; night, 13°; clear

12 August, tue

	753 mmHg		73%
	4.4 m/s		+18

12 August, Tuesday. day, 21°; night, 13°; rain

13 August, wed

	752 mmHg		72%
	4.69 m/s		+18

13 August, Wednesday. day, 21°; night, 12°; clear

14 August, thu

	753 mmHg		73%
	4.5 m/s		+19

14 August, Thursday. day, 20°; night, 13°; partly cloudy

15 August, fri

	752 mmHg		75%
	5 m/s		+18

15 August, Friday. day, 21°; night, 13°; rain

16 August, sat

	752 mmHg		74%
	4.69 m/s		+18

16 August, Saturday. day, 21°; night, 13°; partly cloudy

17 August, sun

	753 mmHg		76%
	4.9 m/s		+18

17 August, Sunday. day, 20°; night, 12°; clear

18 August, mon

	752 mmHg		75%
	4.69 m/s		+18

18 August, Monday. day, 20°; night, 12°; partly cloudy

19 August, tue

	753 mmHg		77%
	4.6 m/s		+19

19 August, Tuesday. day, 20°; night, 12°; rain

20 August, wed

	753 mmHg		77%
	4.69 m/s		+18

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

21 August, thu

	754 mmHg		74%
	4.69 m/s		+19

21 August, Thursday. day, 20°; night, 12°; clear

22 August, fri

	754 mmHg		75%
	4.69 m/s		+18

22 August, Friday. day, 20°; night, 12°; rain

23 August, sat

	754 mmHg		73%
	4.5 m/s		+18

23 August, Saturday. day, 20°; night, 11°; clear

24 August, sun

	753 mmHg		76%
	4.8 m/s		+18

24 August, Sunday. day, 19°; night, 12°; rain

25 August, mon

	752 mmHg		78%
	4.6 m/s		+18

25 August, Monday. day, 19°; night, 12°; rain

26 August, tue

	752 mmHg		75%
	4.8 m/s		+18

26 August, Tuesday. day, 19°; night, 11°; rain

27 August, wed

	752 mmHg		75%
	4.8 m/s		+17

27 August, Wednesday. day, 18°; night, 11°; partly cloudy

28 August, thu

	752 mmHg		74%
	5.1 m/s		+16

28 August, Thursday. day, 19°; night, 11°; overcast

29 August, fri

	753 mmHg		76%
	5.2 m/s		+18

29 August, Friday. day, 18°; night, 11°; rain

30 August, sat

	754 mmHg		77%
	4.19 m/s		+18

30 August, Saturday. day, 18°; night, 11°; rain

31 August, sun

	755 mmHg		76%
	4.3 m/s		+17

31 August, Sunday. day, 18°; night, 10°; partly cloudy

1 September, mon

	756 mmHg		75%
	4.6 m/s		+17

1 September, Monday. day, 18°; night, 10°; partly cloudy

2 September, tue

	756 mmHg		77%
	4.9 m/s		+17

2 September, Tuesday. day, 18°; night, 10°; clear

3 September, wed

	755 mmHg		75%
	4.8 m/s		+17

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

4 September, thu

	755 mmHg		78%
	4.8 m/s		+17

4 September, Thursday. day, 18°; night, 11°; clear

5 September, fri

	755 mmHg		76%
	4.69 m/s		+17

5 September, Friday. day, 18°; night, 11°; clear

6 September, sat

	755 mmHg		79%
	4.9 m/s		+16

6 September, Saturday. day, 17°; night, 11°; overcast

Average data for 10 years

Arendal August

8

sunny days

13

days with precipitation

7

cloudy days

8 sunny days; 13 days with precipitation; 7 cloudy days;

74

%

air humidity

3.2

m/s

WindS

108

mm of precipitation

(10% of annual average)

+18

°C

Water temperature

air humidity 74%; 108 millimeters of precipitation (10% of annual average); Wind southerly 3.2 Meters per second; Water temperature +18°

Weather graphs for August

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

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

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

Oslo
Bergen
Gothenburg
Stavanger
Gjovik
Aarhus
Lillehammer
Geiranger
Odense

Cities with similar weather in August

Helsinki
Tallinn
Stockholm
San Francisco
Palanga
Dublin
Copenhagen
Looe
Klaipeda

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

In August, the weather in Arendal is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Arendal has 13 rainy, 8 sunny, 6 partly cloudy, and 4 cloudy days in August. The rains are usually heavy.

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