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August weather forecast in Idaho Falls

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

	639 mmHg		31%
	5.4 m/s

27 July, Sunday. day, 33°; night, 16°; rain

28 July, mon

	640 mmHg		32%
	5.2 m/s

28 July, Monday. day, 33°; night, 16°; clear

29 July, tue

	640 mmHg		34%
	4.9 m/s

29 July, Tuesday. day, 32°; night, 16°; rain

30 July, wed

	640 mmHg		33%
	4.9 m/s

30 July, Wednesday. day, 33°; night, 16°; partly cloudy

31 July, thu

	640 mmHg		32%
	5 m/s

31 July, Thursday. day, 33°; night, 16°; partly cloudy

1 August, fri

	640 mmHg		33%
	5.3 m/s

1 August, Friday. day, 33°; night, 16°; clear

2 August, sat

	640 mmHg		31%
	5.8 m/s

2 August, Saturday. day, 33°; night, 17°; partly cloudy

3 August, sun

	639 mmHg		35%
	5.5 m/s

3 August, Sunday. day, 32°; night, 16°; partly cloudy

4 August, mon

	640 mmHg		36%
	5.7 m/s

4 August, Monday. day, 32°; night, 16°; clear

5 August, tue

	639 mmHg		35%
	5.1 m/s

5 August, Tuesday. day, 32°; night, 15°; clear

6 August, wed

	639 mmHg		37%
	5.3 m/s

6 August, Wednesday. day, 31°; night, 15°; rain

7 August, thu

	639 mmHg		33%
	5.5 m/s

7 August, Thursday. day, 31°; night, 15°; clear

8 August, fri

	639 mmHg		32%
	5.7 m/s

8 August, Friday. day, 31°; night, 15°; clear

9 August, sat

	639 mmHg		35%
	5 m/s

9 August, Saturday. day, 31°; night, 14°; clear

10 August, sun

	639 mmHg		32%
	5.3 m/s

10 August, Sunday. day, 32°; night, 15°; clear

11 August, mon

	639 mmHg		30%
	5.6 m/s

11 August, Monday. day, 32°; night, 16°; clear

12 August, tue

	639 mmHg		29%
	5.6 m/s

12 August, Tuesday. day, 32°; night, 15°; clear

13 August, wed

	640 mmHg		31%
	5.6 m/s

13 August, Wednesday. day, 32°; night, 15°; clear

14 August, thu

	639 mmHg		31%
	5.5 m/s

14 August, Thursday. day, 32°; night, 15°; partly cloudy

15 August, fri

	639 mmHg		29%
	5.4 m/s

15 August, Friday. day, 32°; night, 15°; clear

16 August, sat

	639 mmHg		30%
	5.7 m/s

16 August, Saturday. day, 31°; night, 15°; clear

17 August, sun

	639 mmHg		29%
	5.7 m/s

17 August, Sunday. day, 32°; night, 15°; clear

18 August, mon

	639 mmHg		33%
	6.1 m/s

18 August, Monday. day, 31°; night, 15°; rain

19 August, tue

	638 mmHg		31%
	5.7 m/s

19 August, Tuesday. day, 31°; night, 15°; clear

20 August, wed

	638 mmHg		32%
	5.6 m/s

20 August, Wednesday. day, 31°; night, 15°; clear

21 August, thu

	638 mmHg		34%
	5.9 m/s

21 August, Thursday. day, 31°; night, 15°; rain

22 August, fri

	639 mmHg		35%
	5.9 m/s

22 August, Friday. day, 30°; night, 15°; clear

23 August, sat

	638 mmHg		37%
	5.8 m/s

23 August, Saturday. day, 29°; night, 14°; rain

24 August, sun

	638 mmHg		34%
	6 m/s

24 August, Sunday. day, 29°; night, 14°; clear

25 August, mon

	639 mmHg		34%
	5.8 m/s

25 August, Monday. day, 30°; night, 13°; clear

26 August, tue

	639 mmHg		34%
	5.7 m/s

26 August, Tuesday. day, 31°; night, 14°; partly cloudy

27 August, wed

	639 mmHg		34%
	5.3 m/s

27 August, Wednesday. day, 30°; night, 14°; clear

28 August, thu

	639 mmHg		34%
	5.5 m/s

28 August, Thursday. day, 30°; night, 14°; clear

29 August, fri

	639 mmHg		31%
	5.7 m/s

29 August, Friday. day, 31°; night, 14°; clear

30 August, sat

	638 mmHg		30%
	6.1 m/s

30 August, Saturday. day, 31°; night, 14°; partly cloudy

31 August, sun

	638 mmHg		32%
	6 m/s

31 August, Sunday. day, 29°; night, 13°; partly cloudy

1 September, mon

	638 mmHg		33%
	5.6 m/s

1 September, Monday. day, 28°; night, 12°; clear

2 September, tue

	639 mmHg		34%
	5.5 m/s

2 September, Tuesday. day, 29°; night, 13°; clear

3 September, wed

	639 mmHg		35%
	5 m/s

3 September, Wednesday. day, 29°; night, 13°; clear

4 September, thu

	638 mmHg		35%
	5 m/s

4 September, Thursday. day, 28°; night, 13°; clear

5 September, fri

	638 mmHg		37%
	5.6 m/s

5 September, Friday. day, 28°; night, 13°; clear

6 September, sat

	639 mmHg		39%
	5.3 m/s

6 September, Saturday. day, 27°; night, 11°; clear

Average data for 10 years

Idaho Falls August

21

sunny days

4

days with precipitation

6

cloudy days

21 sunny days; 4 days with precipitation; 6 cloudy days;

33

%

air humidity

2.9

m/s

WindS

15

mm of precipitation

(5% of annual average)

air humidity 33%; 15 millimeters of precipitation (5% of annual average); Wind southerly 2.9 Meters per second

Weather graphs for August

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

SE

S

S

S

SE

SE

S

S

S

S

S

S

S

S

S

S

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

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28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Salt Lake City
West Yellowstone
Bozeman
Cody
Jackson
Missoula
Helena
Woods Cross
Lander

Cities with similar weather in August

Budapest
Bishkek
Toronto
Hévíz
Boston
Edinets
San Remo
Rishkani
Donduseni

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

In August, the weather in Idaho Falls is typically hot. Average daily high temperature in August is about 31 degrees above zero. On average, Idaho Falls has 21 sunny, 6 partly cloudy, and 4 rainy days in August. The rains are usually light.

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