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August weather forecast in Rapid 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

26 July, sun

	669 mmHg		46%
	7.9 m/s

26 July, Sunday. day, 26°; night, 19°; rain

27 July, mon

	670 mmHg		54%
	5.6 m/s

27 July, Monday. day, 24°; night, 20°; clear

28 July, tue

	670 mmHg		54%
	5.9 m/s

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

29 July, wed

	671 mmHg		46%
	5.4 m/s

29 July, Wednesday. day, 26°; night, 21°; clear

30 July, thu

	669 mmHg		40%
	6.5 m/s

30 July, Thursday. day, 29°; night, 23°; clear

31 July, fri

	668 mmHg		37%
	7 m/s

31 July, Friday. day, 29°; night, 22°; partly cloudy

1 August, sat

	669 mmHg		43%
	6.8 m/s

1 August, Saturday. day, 27°; night, 20°; partly cloudy

2 August, sun

	669 mmHg		49%
	6.3 m/s

2 August, Sunday. day, 27°; night, 19°; rain

3 August, mon

	668 mmHg		50%
	6.1 m/s

3 August, Monday. day, 26°; night, 19°; partly cloudy

4 August, tue

	669 mmHg		52%
	5.9 m/s

4 August, Tuesday. day, 24°; night, 19°; rain

5 August, wed

	669 mmHg		49%
	6.5 m/s

5 August, Wednesday. day, 26°; night, 20°; clear

6 August, thu

	668 mmHg		46%
	4.8 m/s

6 August, Thursday. day, 26°; night, 20°; partly cloudy

7 August, fri

	669 mmHg		56%
	6.5 m/s

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

8 August, sat

	669 mmHg		56%
	5.6 m/s

8 August, Saturday. day, 24°; night, 18°; clear

9 August, sun

	670 mmHg		50%
	5.5 m/s

9 August, Sunday. day, 25°; night, 20°; clear

10 August, mon

	669 mmHg		46%
	5.8 m/s

10 August, Monday. day, 27°; night, 21°; clear

11 August, tue

	668 mmHg		46%
	6.4 m/s

11 August, Tuesday. day, 26°; night, 20°; clear

12 August, wed

	669 mmHg		44%
	6 m/s

12 August, Wednesday. day, 26°; night, 20°; clear

13 August, thu

	669 mmHg		49%
	6 m/s

13 August, Thursday. day, 25°; night, 19°; partly cloudy

14 August, fri

	668 mmHg		50%
	6 m/s

14 August, Friday. day, 25°; night, 18°; rain

15 August, sat

	670 mmHg		50%
	7.3 m/s

15 August, Saturday. day, 23°; night, 17°; clear

16 August, sun

	670 mmHg		46%
	6.1 m/s

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

17 August, mon

	668 mmHg		40%
	6.3 m/s

17 August, Monday. day, 26°; night, 20°; rain

18 August, tue

	667 mmHg		43%
	6.8 m/s

18 August, Tuesday. day, 24°; night, 18°; rain

19 August, wed

	667 mmHg		46%
	6.6 m/s

19 August, Wednesday. day, 25°; night, 19°; clear

20 August, thu

	668 mmHg		43%
	6.1 m/s

20 August, Thursday. day, 26°; night, 20°; clear

21 August, fri

	667 mmHg		38%
	7 m/s

21 August, Friday. day, 27°; night, 22°; clear

22 August, sat

	667 mmHg		38%
	6.6 m/s

22 August, Saturday. day, 26°; night, 20°; clear

23 August, sun

	669 mmHg		37%
	7 m/s

23 August, Sunday. day, 25°; night, 19°; clear

24 August, mon

	670 mmHg		44%
	5.8 m/s

24 August, Monday. day, 26°; night, 20°; clear

25 August, tue

	670 mmHg		43%
	5.5 m/s

25 August, Tuesday. day, 26°; night, 20°; clear

26 August, wed

	668 mmHg		43%
	6.4 m/s

26 August, Wednesday. day, 27°; night, 21°; clear

27 August, thu

	668 mmHg		43%
	5.8 m/s

27 August, Thursday. day, 27°; night, 22°; clear

28 August, fri

	668 mmHg		37%
	5.9 m/s

28 August, Friday. day, 27°; night, 21°; rain

29 August, sat

	668 mmHg		38%
	7.5 m/s

29 August, Saturday. day, 27°; night, 21°; partly cloudy

30 August, sun

	667 mmHg		46%
	8.1 m/s

30 August, Sunday. day, 25°; night, 19°; clear

31 August, mon

	667 mmHg		40%
	6.6 m/s

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

1 September, tue

	668 mmHg		43%
	8.3 m/s

1 September, Tuesday. day, 26°; night, 19°; clear

2 September, wed

	669 mmHg		40%
	6.6 m/s

2 September, Wednesday. day, 25°; night, 17°; clear

3 September, thu

	669 mmHg		41%
	6.8 m/s

3 September, Thursday. day, 23°; night, 17°; clear

4 September, fri

	668 mmHg		44%
	6.3 m/s

4 September, Friday. day, 24°; night, 18°; clear

5 September, sat

	669 mmHg		46%
	6.1 m/s

5 September, Saturday. day, 22°; night, 17°; clear

Average data for 10 years

Rapid City August

19

sunny days

7

days with precipitation

5

cloudy days

19 sunny days; 7 days with precipitation; 5 cloudy days;

46

%

air humidity

4.5

m/s

WindSE

70

mm of precipitation

(11% of annual average)

air humidity 46%; 70 millimeters of precipitation (11% of annual average); Wind south-easterly 4.5 Meters per second

Weather graphs for August

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

NE

SE

E

NE

S

E

SE

SW

SE

S

N

E

S

NW

N

S

NE

N

NW

S

S

W

S

SE

S

W

SW

E

SE

S

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

Bismarck
Fort Collins
Dickinson
Gillette
Greeley
Casper
Glendive
Evans
Laramie

Cities with similar weather in August

Toronto
Rio de Janeiro
Genoa
San Remo
Como
Kayseri
Portimão
Milwaukee
Bismarck

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

In August, the weather in Rapid City is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Rapid City has 19 sunny, 7 rainy, and 5 partly cloudy days in August. The rains are usually moderate.

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