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August weather forecast in Butte

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

	637 mmHg		49%
	3.5 m/s

27 July, Sunday. day, 27°; night, 9°; clear

28 July, mon

	637 mmHg		51%
	3.6 m/s

28 July, Monday. day, 27°; night, 9°; clear

29 July, tue

	637 mmHg		50%
	3.7 m/s

29 July, Tuesday. day, 27°; night, 10°; clear

30 July, wed

	637 mmHg		49%
	3.7 m/s

30 July, Wednesday. day, 27°; night, 9°; clear

31 July, thu

	637 mmHg		47%
	3.6 m/s

31 July, Thursday. day, 27°; night, 9°; clear

1 August, fri

	637 mmHg		46%
	3.6 m/s

1 August, Friday. day, 27°; night, 9°; clear

2 August, sat

	637 mmHg		50%
	3.6 m/s

2 August, Saturday. day, 27°; night, 10°; partly cloudy

3 August, sun

	637 mmHg		49%
	3.7 m/s

3 August, Sunday. day, 26°; night, 10°; partly cloudy

4 August, mon

	637 mmHg		50%
	3.7 m/s

4 August, Monday. day, 26°; night, 9°; clear

5 August, tue

	637 mmHg		55%
	3.2 m/s

5 August, Tuesday. day, 26°; night, 9°; rain

6 August, wed

	636 mmHg		54%
	3.4 m/s

6 August, Wednesday. day, 26°; night, 9°; rain

7 August, thu

	636 mmHg		52%
	3.5 m/s

7 August, Thursday. day, 26°; night, 9°; clear

8 August, fri

	636 mmHg		51%
	3.6 m/s

8 August, Friday. day, 25°; night, 9°; partly cloudy

9 August, sat

	637 mmHg		54%
	3.5 m/s

9 August, Saturday. day, 25°; night, 8°; clear

10 August, sun

	636 mmHg		54%
	3.4 m/s

10 August, Sunday. day, 26°; night, 8°; clear

11 August, mon

	636 mmHg		52%
	3.6 m/s

11 August, Monday. day, 25°; night, 8°; rain

12 August, tue

	637 mmHg		49%
	3.6 m/s

12 August, Tuesday. day, 26°; night, 8°; clear

13 August, wed

	637 mmHg		51%
	3.7 m/s

13 August, Wednesday. day, 25°; night, 8°; rain

14 August, thu

	637 mmHg		51%
	3.5 m/s

14 August, Thursday. day, 25°; night, 8°; clear

15 August, fri

	636 mmHg		47%
	3.6 m/s

15 August, Friday. day, 26°; night, 8°; clear

16 August, sat

	636 mmHg		48%
	3.7 m/s

16 August, Saturday. day, 26°; night, 8°; clear

17 August, sun

	636 mmHg		50%
	3.4 m/s

17 August, Sunday. day, 25°; night, 8°; rain

18 August, mon

	636 mmHg		52%
	3.6 m/s

18 August, Monday. day, 25°; night, 8°; rain

19 August, tue

	636 mmHg		50%
	3.6 m/s

19 August, Tuesday. day, 25°; night, 8°; clear

20 August, wed

	635 mmHg		50%
	3.5 m/s

20 August, Wednesday. day, 25°; night, 8°; clear

21 August, thu

	635 mmHg		52%
	3.5 m/s

21 August, Thursday. day, 25°; night, 8°; rain

22 August, fri

	636 mmHg		51%
	3.5 m/s

22 August, Friday. day, 25°; night, 8°; clear

23 August, sat

	635 mmHg		51%
	3.9 m/s

23 August, Saturday. day, 24°; night, 8°; partly cloudy

24 August, sun

	636 mmHg		52%
	3.9 m/s

24 August, Sunday. day, 23°; night, 7°; partly cloudy

25 August, mon

	636 mmHg		51%
	3.7 m/s

25 August, Monday. day, 24°; night, 6°; clear

26 August, tue

	636 mmHg		51%
	3.9 m/s

26 August, Tuesday. day, 25°; night, 7°; clear

27 August, wed

	636 mmHg		48%
	3.7 m/s

27 August, Wednesday. day, 24°; night, 8°; partly cloudy

28 August, thu

	636 mmHg		49%
	3.8 m/s

28 August, Thursday. day, 25°; night, 7°; clear

29 August, fri

	636 mmHg		48%
	3.8 m/s

29 August, Friday. day, 25°; night, 7°; clear

30 August, sat

	635 mmHg		50%
	3.9 m/s

30 August, Saturday. day, 25°; night, 7°; clear

31 August, sun

	635 mmHg		49%
	3.9 m/s

31 August, Sunday. day, 24°; night, 7°; clear

1 September, mon

	635 mmHg		50%
	3.9 m/s

1 September, Monday. day, 23°; night, 6°; clear

2 September, tue

	635 mmHg		48%
	4.1 m/s

2 September, Tuesday. day, 24°; night, 6°; clear

3 September, wed

	635 mmHg		47%
	3.7 m/s

3 September, Wednesday. day, 23°; night, 7°; clear

4 September, thu

	636 mmHg		52%
	3.5 m/s

4 September, Thursday. day, 23°; night, 6°; partly cloudy

5 September, fri

	635 mmHg		55%
	3.6 m/s

5 September, Friday. day, 22°; night, 6°; rain

6 September, sat

	636 mmHg		54%
	3.6 m/s

6 September, Saturday. day, 22°; night, 6°; partly cloudy

Average data for 10 years

Butte August

18

sunny days

7

days with precipitation

1

cloudy day

18 sunny days; 7 days with precipitation; 1 cloudy day;

51

%

air humidity

1.9

m/s

WindSW

33

mm of precipitation

(6% of annual average)

air humidity 51%; 33 millimeters of precipitation (6% of annual average); Wind south-westerly 1.9 Meters per second

Weather graphs for August

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

SW

SW

S

S

S

S

SW

SW

S

S

SW

SW

S

SW

SW

SW

SW

SW

S

SW

S

SW

SW

SW

SW

SW

SW

SW

S

SW

SW

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

West Yellowstone
Bozeman
Cody
Jackson
Missoula
Helena
Idaho Falls
Big Sky
Kalispell

Cities with similar weather in August

London
Amsterdam
Karlovy Vary
Brussels
Copenhagen
Marianske Lazne
Salzburg
Bruges
Andorra la Vella

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

In August, the weather in Butte is typically warm. Average daily high temperature in August is about 25 degrees above zero. On average, Butte has 18 sunny, 7 rainy, and 6 partly cloudy days in August. The rains are usually light. August as well as July and September is considered the most comfortable time to visit Butte.

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