10 day forecast Monthly forecast Weather map

City or area

Go to comparison

August weather forecast in Boise

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

	681 mmHg		35%
	3.8 m/s

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

28 July, mon

	681 mmHg		33%
	3.8 m/s

28 July, Monday. day, 34°; night, 16°; clear

29 July, tue

	682 mmHg		35%
	3.6 m/s

29 July, Tuesday. day, 34°; night, 16°; clear

30 July, wed

	682 mmHg		37%
	3.7 m/s

30 July, Wednesday. day, 33°; night, 16°; rain

31 July, thu

	682 mmHg		36%
	3.5 m/s

31 July, Thursday. day, 33°; night, 15°; clear

1 August, fri

	681 mmHg		36%
	3.4 m/s

1 August, Friday. day, 34°; night, 16°; clear

2 August, sat

	681 mmHg		35%
	3.7 m/s

2 August, Saturday. day, 34°; night, 17°; partly cloudy

3 August, sun

	681 mmHg		35%
	3.7 m/s

3 August, Sunday. day, 33°; night, 16°; partly cloudy

4 August, mon

	681 mmHg		35%
	3.6 m/s

4 August, Monday. day, 33°; night, 16°; clear

5 August, tue

	681 mmHg		36%
	3.4 m/s

5 August, Tuesday. day, 33°; night, 15°; partly cloudy

6 August, wed

	681 mmHg		36%
	3.6 m/s

6 August, Wednesday. day, 32°; night, 16°; partly cloudy

7 August, thu

	681 mmHg		37%
	3.9 m/s

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

8 August, fri

	681 mmHg		36%
	3.5 m/s

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

9 August, sat

	681 mmHg		36%
	3.5 m/s

9 August, Saturday. day, 32°; night, 15°; clear

10 August, sun

	681 mmHg		36%
	3.8 m/s

10 August, Sunday. day, 33°; night, 15°; rain

11 August, mon

	681 mmHg		36%
	3.9 m/s

11 August, Monday. day, 32°; night, 15°; clear

12 August, tue

	682 mmHg		36%
	3.6 m/s

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

13 August, wed

	682 mmHg		36%
	3.8 m/s

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

14 August, thu

	682 mmHg		36%
	3.4 m/s

14 August, Thursday. day, 32°; night, 15°; clear

15 August, fri

	681 mmHg		34%
	3.4 m/s

15 August, Friday. day, 32°; night, 14°; clear

16 August, sat

	681 mmHg		33%
	3.6 m/s

16 August, Saturday. day, 32°; night, 15°; clear

17 August, sun

	681 mmHg		36%
	3.6 m/s

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

18 August, mon

	681 mmHg		34%
	3.9 m/s

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

19 August, tue

	681 mmHg		35%
	3.6 m/s

19 August, Tuesday. day, 32°; night, 14°; clear

20 August, wed

	680 mmHg		36%
	3.7 m/s

20 August, Wednesday. day, 32°; night, 14°; clear

21 August, thu

	680 mmHg		37%
	3.9 m/s

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

22 August, fri

	681 mmHg		37%
	3.7 m/s

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

23 August, sat

	681 mmHg		40%
	3.6 m/s

23 August, Saturday. day, 30°; night, 13°; clear

24 August, sun

	681 mmHg		38%
	3.8 m/s

24 August, Sunday. day, 30°; night, 13°; clear

25 August, mon

	681 mmHg		38%
	3.5 m/s

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

26 August, tue

	681 mmHg		38%
	3.6 m/s

26 August, Tuesday. day, 31°; night, 14°; clear

27 August, wed

	681 mmHg		39%
	3.6 m/s

27 August, Wednesday. day, 31°; night, 14°; clear

28 August, thu

	681 mmHg		38%
	3.3 m/s

28 August, Thursday. day, 31°; night, 13°; clear

29 August, fri

	681 mmHg		36%
	3.7 m/s

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

30 August, sat

	680 mmHg		37%
	3.8 m/s

30 August, Saturday. day, 30°; night, 13°; clear

31 August, sun

	680 mmHg		39%
	3.9 m/s

31 August, Sunday. day, 30°; night, 12°; clear

1 September, mon

	680 mmHg		37%
	3.5 m/s

1 September, Monday. day, 29°; night, 12°; clear

2 September, tue

	681 mmHg		37%
	3.5 m/s

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

3 September, wed

	681 mmHg		38%
	3.4 m/s

3 September, Wednesday. day, 29°; night, 12°; clear

4 September, thu

	681 mmHg		39%
	3.6 m/s

4 September, Thursday. day, 29°; night, 13°; clear

5 September, fri

	681 mmHg		42%
	3.9 m/s

5 September, Friday. day, 29°; night, 12°; clear

6 September, sat

	682 mmHg		41%
	3.6 m/s

6 September, Saturday. day, 28°; night, 12°; clear

Average data for 10 years

Boise August

25

sunny days

1

day with precipitation

5

cloudy days

25 sunny days; 1 day with precipitation; 5 cloudy days;

36

%

air humidity

2.09

m/s

WindS

8

mm of precipitation

(2% of annual average)

air humidity 36%; 8 millimeters of precipitation (2% of annual average); Wind southerly 2.09 Meters per second

Weather graphs for August

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

S

S

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

SW

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

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Moscow
Missoula
Lewiston
John Day
Walla Walla
Pullman
Hailey
Hermiston
Pendleton

Cities with similar weather in August

Milan
Rimini
New Athos
Belgrade
Retimno
Pisa
Armavir
Kutaisi
Split

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

In August, the weather in Boise is typically hot. Average daily high temperature in August is about 32 degrees above zero. On average, Boise has 25 sunny, 5 partly cloudy, and 1 rainy day in August. The rains are usually light.

Links

Help Terms of use Contact us

For partners

Advertisement Yandex.Weather API

Weather forecasts

Hourly forecast Detailed 10 day forecast Monthly forecast Weather map Magnetic storms

Download app

English

English
Русский

Source data: Yandex.Traffic, Roshydromet FSBI "CAO", NOAA, © OpenStreetMap

© 2017–2025 YANDEX LLC