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August weather forecast in Waukesha

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

	735 mmHg		71%
	4.5 m/s

27 July, Sunday. day, 27°; night, 19°; partly cloudy

28 July, mon

	735 mmHg		73%
	4.5 m/s

28 July, Monday. day, 26°; night, 18°; rain

29 July, tue

	735 mmHg		70%
	4.5 m/s

29 July, Tuesday. day, 27°; night, 18°; rain

30 July, wed

	736 mmHg		69%
	3.8 m/s

30 July, Wednesday. day, 27°; night, 18°; clear

31 July, thu

	736 mmHg		69%
	3.9 m/s

31 July, Thursday. day, 28°; night, 18°; clear

1 August, fri

	736 mmHg		70%
	3.9 m/s

1 August, Friday. day, 28°; night, 18°; clear

2 August, sat

	736 mmHg		71%
	4.1 m/s

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

3 August, sun

	736 mmHg		72%
	3.9 m/s

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

4 August, mon

	736 mmHg		72%
	3.8 m/s

4 August, Monday. day, 27°; night, 18°; partly cloudy

5 August, tue

	736 mmHg		72%
	4.5 m/s

5 August, Tuesday. day, 26°; night, 17°; partly cloudy

6 August, wed

	736 mmHg		72%
	4 m/s

6 August, Wednesday. day, 26°; night, 17°; rain

7 August, thu

	736 mmHg		73%
	4.1 m/s

7 August, Thursday. day, 26°; night, 18°; rain

8 August, fri

	736 mmHg		72%
	4.3 m/s

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

9 August, sat

	735 mmHg		72%
	4.4 m/s

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

10 August, sun

	735 mmHg		72%
	4.3 m/s

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

11 August, mon

	736 mmHg		73%
	4.1 m/s

11 August, Monday. day, 26°; night, 17°; clear

12 August, tue

	736 mmHg		74%
	3.7 m/s

12 August, Tuesday. day, 26°; night, 17°; clear

13 August, wed

	736 mmHg		73%
	3.8 m/s

13 August, Wednesday. day, 25°; night, 17°; rain

14 August, thu

	736 mmHg		72%
	4.19 m/s

14 August, Thursday. day, 25°; night, 17°; clear

15 August, fri

	736 mmHg		71%
	3.9 m/s

15 August, Friday. day, 26°; night, 17°; clear

16 August, sat

	736 mmHg		70%
	4.4 m/s

16 August, Saturday. day, 26°; night, 17°; clear

17 August, sun

	736 mmHg		73%
	4.4 m/s

17 August, Sunday. day, 26°; night, 17°; rain

18 August, mon

	736 mmHg		74%
	4.19 m/s

18 August, Monday. day, 25°; night, 17°; partly cloudy

19 August, tue

	736 mmHg		75%
	4.19 m/s

19 August, Tuesday. day, 25°; night, 17°; overcast

20 August, wed

	736 mmHg		75%
	4.4 m/s

20 August, Wednesday. day, 25°; night, 17°; rain

21 August, thu

	736 mmHg		73%
	4.4 m/s

21 August, Thursday. day, 26°; night, 17°; partly cloudy

22 August, fri

	737 mmHg		72%
	4.3 m/s

22 August, Friday. day, 26°; night, 17°; clear

23 August, sat

	737 mmHg		73%
	4.1 m/s

23 August, Saturday. day, 26°; night, 17°; rain

24 August, sun

	736 mmHg		75%
	4.6 m/s

24 August, Sunday. day, 26°; night, 17°; rain

25 August, mon

	736 mmHg		74%
	4.5 m/s

25 August, Monday. day, 26°; night, 18°; overcast

26 August, tue

	736 mmHg		75%
	3.9 m/s

26 August, Tuesday. day, 26°; night, 18°; partly cloudy

27 August, wed

	736 mmHg		75%
	4.4 m/s

27 August, Wednesday. day, 26°; night, 18°; partly cloudy

28 August, thu

	736 mmHg		75%
	4.19 m/s

28 August, Thursday. day, 26°; night, 18°; overcast

29 August, fri

	736 mmHg		75%
	4.4 m/s

29 August, Friday. day, 25°; night, 17°; rain

30 August, sat

	737 mmHg		72%
	4.4 m/s

30 August, Saturday. day, 25°; night, 16°; clear

31 August, sun

	737 mmHg		72%
	4.1 m/s

31 August, Sunday. day, 25°; night, 16°; clear

1 September, mon

	737 mmHg		72%
	4.19 m/s

1 September, Monday. day, 25°; night, 16°; clear

2 September, tue

	737 mmHg		71%
	4.5 m/s

2 September, Tuesday. day, 26°; night, 16°; clear

3 September, wed

	736 mmHg		72%
	4.4 m/s

3 September, Wednesday. day, 26°; night, 16°; clear

4 September, thu

	737 mmHg		71%
	4.19 m/s

4 September, Thursday. day, 25°; night, 16°; clear

5 September, fri

	737 mmHg		72%
	4.5 m/s

5 September, Friday. day, 25°; night, 15°; clear

6 September, sat

	737 mmHg		72%
	4.6 m/s

6 September, Saturday. day, 25°; night, 16°; partly cloudy

Average data for 10 years

Waukesha August

9

sunny days

11

days with precipitation

5

cloudy days

9 sunny days; 11 days with precipitation; 5 cloudy days;

73

%

air humidity

2.8

m/s

WindS

92

mm of precipitation

(11% of annual average)

air humidity 73%; 92 millimeters of precipitation (11% of annual average); Wind southerly 2.8 Meters per second

Weather graphs for August

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

SW

SW

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S

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SW

S

S

S

S

S

S

S

S

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SW

S

S

S

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S

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S

S

S

S

1

Average data for 10 years

2

3

4

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9

10

11

12

13

14

15

16

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18

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21

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31

Daytime temperature

Night-time temperature

Cities near you

Chicago
Indianapolis
Michigan City
Wisconsin Dells
Appleton
Dixon
Ottawa
Iowa City
Gurnee

Cities with similar weather in August

Bishkek
Toronto
Rio de Janeiro
Boston
San Remo
Como
Minneapolis
Detroit
Ajaccio

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

In August, the weather in Waukesha is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Waukesha has 11 rainy, 9 sunny, 8 partly cloudy, and 3 cloudy days in August. The rains are usually heavy.

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