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August weather forecast in Mason 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

27 July, sun

	730 mmHg		76%
	5.7 m/s

27 July, Sunday. day, 27°; night, 18°; partly cloudy

28 July, mon

	730 mmHg		77%
	5.3 m/s

28 July, Monday. day, 27°; night, 18°; rain

29 July, tue

	731 mmHg		75%
	4.3 m/s

29 July, Tuesday. day, 27°; night, 17°; clear

30 July, wed

	731 mmHg		75%
	4.6 m/s

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

31 July, thu

	731 mmHg		74%
	5 m/s

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

1 August, fri

	731 mmHg		73%
	5 m/s

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

2 August, sat

	731 mmHg		75%
	4.9 m/s

2 August, Saturday. day, 27°; night, 18°; clear

3 August, sun

	731 mmHg		74%
	4.9 m/s

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

4 August, mon

	731 mmHg		76%
	5.2 m/s

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

5 August, tue

	731 mmHg		76%
	5 m/s

5 August, Tuesday. day, 26°; night, 17°; overcast

6 August, wed

	731 mmHg		78%
	4.69 m/s

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

7 August, thu

	730 mmHg		78%
	5 m/s

7 August, Thursday. day, 27°; night, 18°; rain

8 August, fri

	730 mmHg		76%
	5 m/s

8 August, Friday. day, 27°; night, 18°; rain

9 August, sat

	730 mmHg		77%
	5.1 m/s

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

10 August, sun

	731 mmHg		76%
	4.69 m/s

10 August, Sunday. day, 26°; night, 17°; clear

11 August, mon

	731 mmHg		78%
	4.5 m/s

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

12 August, tue

	731 mmHg		78%
	4.9 m/s

12 August, Tuesday. day, 25°; night, 17°; rain

13 August, wed

	731 mmHg		78%
	5 m/s

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

14 August, thu

	731 mmHg		77%
	5.1 m/s

14 August, Thursday. day, 25°; night, 16°; clear

15 August, fri

	731 mmHg		77%
	5.1 m/s

15 August, Friday. day, 25°; night, 16°; partly cloudy

16 August, sat

	731 mmHg		77%
	5.2 m/s

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

17 August, sun

	731 mmHg		77%
	5.1 m/s

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

18 August, mon

	730 mmHg		79%
	5.3 m/s

18 August, Monday. day, 25°; night, 16°; partly cloudy

19 August, tue

	730 mmHg		79%
	5.1 m/s

19 August, Tuesday. day, 25°; night, 16°; rain

20 August, wed

	730 mmHg		78%
	5.3 m/s

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

21 August, thu

	731 mmHg		77%
	5.4 m/s

21 August, Thursday. day, 26°; night, 17°; clear

22 August, fri

	731 mmHg		78%
	5.3 m/s

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

23 August, sat

	731 mmHg		77%
	5.5 m/s

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

24 August, sun

	730 mmHg		77%
	5.9 m/s

24 August, Sunday. day, 26°; night, 18°; partly cloudy

25 August, mon

	731 mmHg		78%
	5.1 m/s

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

26 August, tue

	731 mmHg		78%
	4.69 m/s

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

27 August, wed

	730 mmHg		78%
	5.3 m/s

27 August, Wednesday. day, 26°; night, 17°; partly cloudy

28 August, thu

	730 mmHg		79%
	5.2 m/s

28 August, Thursday. day, 26°; night, 17°; rain

29 August, fri

	731 mmHg		76%
	5.4 m/s

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

30 August, sat

	731 mmHg		74%
	5.2 m/s

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

31 August, sun

	731 mmHg		73%
	5.1 m/s

31 August, Sunday. day, 26°; night, 16°; clear

1 September, mon

	731 mmHg		74%
	5.5 m/s

1 September, Monday. day, 25°; night, 15°; clear

2 September, tue

	731 mmHg		74%
	5.4 m/s

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

3 September, wed

	731 mmHg		74%
	5.8 m/s

3 September, Wednesday. day, 25°; night, 16°; clear

4 September, thu

	731 mmHg		72%
	5.3 m/s

4 September, Thursday. day, 26°; night, 15°; clear

5 September, fri

	732 mmHg		73%
	5.9 m/s

5 September, Friday. day, 26°; night, 15°; clear

6 September, sat

	731 mmHg		72%
	5.7 m/s

6 September, Saturday. day, 26°; night, 16°; clear

Average data for 10 years

Mason City August

14

sunny days

11

days with precipitation

4

cloudy days

14 sunny days; 11 days with precipitation; 4 cloudy days;

77

%

air humidity

3.4

m/s

WindS

106

mm of precipitation

(12% of annual average)

air humidity 77%; 106 millimeters of precipitation (12% of annual average); Wind southerly 3.4 Meters per second

Weather graphs for August

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

SW

SW

S

S

S

S

S

S

SW

SW

SW

S

SW

S

S

S

SW

S

S

S

SW

S

S

S

SW

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

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25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Minneapolis
New Ulm
Rochester
Minnetonka
Wisconsin Dells
Mora
Iowa City
Eagan
Omaha

Cities with similar weather in August

Bishkek
Sofia
Toronto
Genoa
Bratislava
Edinets
Brichani
Rogaška Slatina
San Remo

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

In August, the weather in Mason City is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Mason City has 14 sunny, 11 rainy, 5 partly cloudy, and 1 cloudy day in August. The rains are usually heavy.

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