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August weather forecast. City of Indianapolis and Marion County: Yandex

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

	737 mmHg		74%
	4.5 m/s

27 July, Sunday. day, 28°; night, 20°; rain

28 July, mon

	737 mmHg		75%
	4.5 m/s

28 July, Monday. day, 28°; night, 20°; partly cloudy

29 July, tue

	737 mmHg		74%
	4.19 m/s

29 July, Tuesday. day, 28°; night, 20°; rain

30 July, wed

	738 mmHg		73%
	3.6 m/s

30 July, Wednesday. day, 28°; night, 19°; partly cloudy

31 July, thu

	738 mmHg		72%
	3.6 m/s

31 July, Thursday. day, 28°; night, 19°; clear

1 August, fri

	738 mmHg		72%
	3.7 m/s

1 August, Friday. day, 28°; night, 19°; clear

2 August, sat

	738 mmHg		70%
	3.9 m/s

2 August, Saturday. day, 28°; night, 19°; clear

3 August, sun

	738 mmHg		70%
	4 m/s

3 August, Sunday. day, 29°; night, 20°; clear

4 August, mon

	738 mmHg		72%
	4 m/s

4 August, Monday. day, 28°; night, 20°; rain

5 August, tue

	738 mmHg		73%
	4.1 m/s

5 August, Tuesday. day, 28°; night, 19°; rain

6 August, wed

	738 mmHg		72%
	4 m/s

6 August, Wednesday. day, 27°; night, 19°; overcast

7 August, thu

	738 mmHg		72%
	4 m/s

7 August, Thursday. day, 28°; night, 19°; partly cloudy

8 August, fri

	738 mmHg		71%
	4.1 m/s

8 August, Friday. day, 28°; night, 20°; rain

9 August, sat

	738 mmHg		73%
	4.3 m/s

9 August, Saturday. day, 28°; night, 20°; rain

10 August, sun

	737 mmHg		73%
	4.19 m/s

10 August, Sunday. day, 28°; night, 19°; rain

11 August, mon

	738 mmHg		73%
	4.3 m/s

11 August, Monday. day, 27°; night, 19°; overcast

12 August, tue

	738 mmHg		71%
	4.19 m/s

12 August, Tuesday. day, 27°; night, 18°; clear

13 August, wed

	738 mmHg		71%
	3.9 m/s

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

14 August, thu

	738 mmHg		73%
	3.9 m/s

14 August, Thursday. day, 27°; night, 18°; overcast

15 August, fri

	738 mmHg		73%
	4 m/s

15 August, Friday. day, 27°; night, 18°; partly cloudy

16 August, sat

	738 mmHg		73%
	4.19 m/s

16 August, Saturday. day, 27°; night, 19°; rain

17 August, sun

	738 mmHg		74%
	4.3 m/s

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

18 August, mon

	738 mmHg		73%
	3.9 m/s

18 August, Monday. day, 27°; night, 19°; rain

19 August, tue

	737 mmHg		74%
	4.1 m/s

19 August, Tuesday. day, 27°; night, 19°; rain

20 August, wed

	738 mmHg		74%
	4.3 m/s

20 August, Wednesday. day, 27°; night, 18°; clear

21 August, thu

	738 mmHg		73%
	4 m/s

21 August, Thursday. day, 27°; night, 18°; clear

22 August, fri

	739 mmHg		72%
	4 m/s

22 August, Friday. day, 27°; night, 18°; clear

23 August, sat

	739 mmHg		71%
	4 m/s

23 August, Saturday. day, 28°; night, 18°; clear

24 August, sun

	738 mmHg		70%
	4.4 m/s

24 August, Sunday. day, 28°; night, 18°; clear

25 August, mon

	738 mmHg		72%
	4.19 m/s

25 August, Monday. day, 28°; night, 19°; clear

26 August, tue

	738 mmHg		74%
	3.9 m/s

26 August, Tuesday. day, 28°; night, 19°; partly cloudy

27 August, wed

	738 mmHg		74%
	4 m/s

27 August, Wednesday. day, 28°; night, 19°; partly cloudy

28 August, thu

	738 mmHg		72%
	3.9 m/s

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

29 August, fri

	738 mmHg		74%
	4.1 m/s

29 August, Friday. day, 28°; night, 19°; partly cloudy

30 August, sat

	738 mmHg		72%
	4.5 m/s

30 August, Saturday. day, 27°; night, 18°; partly cloudy

31 August, sun

	739 mmHg		70%
	4.3 m/s

31 August, Sunday. day, 27°; night, 18°; rain

1 September, mon

	739 mmHg		70%
	4.4 m/s

1 September, Monday. day, 27°; night, 18°; clear

2 September, tue

	739 mmHg		70%
	4.3 m/s

2 September, Tuesday. day, 27°; night, 18°; clear

3 September, wed

	738 mmHg		68%
	3.9 m/s

3 September, Wednesday. day, 28°; night, 18°; clear

4 September, thu

	739 mmHg		68%
	4 m/s

4 September, Thursday. day, 27°; night, 17°; clear

5 September, fri

	739 mmHg		68%
	4.3 m/s

5 September, Friday. day, 27°; night, 17°; clear

6 September, sat

	739 mmHg		68%
	4.8 m/s

6 September, Saturday. day, 27°; night, 17°; clear

Average data for 10 years

City of Indianapolis and Marion County August

12

sunny days

10

days with precipitation

4

cloudy days

12 sunny days; 10 days with precipitation; 4 cloudy days;

72

%

air humidity

2.7

m/s

WindS

81

mm of precipitation

(8% of annual average)

air humidity 72%; 81 millimeters of precipitation (8% of annual average); Wind southerly 2.7 Meters per second

Weather graphs for August

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

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SW

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S

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SE

SE

S

SE

SE

1

Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Chicago
Michigan City
Milan
Columbus
Dixon
Ottawa
Nashville
Washington
Sidney

Cities with similar weather in August

Barcelona
Gagra
Batumi
Pitsunda
New York
Heraklion
Rimini
Nice
Salou

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

In August, the weather in City of Indianapolis and Marion County is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, City of Indianapolis and Marion County has 12 sunny, 10 rainy, 6 partly cloudy, and 3 cloudy days in August. The rains are usually heavy.

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