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August weather forecast in Grand Island

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

	750 mmHg		76%
	5.5 m/s		+24

27 July, Sunday. day, 25°; night, 21°; rain

28 July, mon

	750 mmHg		75%
	5.7 m/s		+23

28 July, Monday. day, 25°; night, 21°; rain

29 July, tue

	750 mmHg		75%
	5.7 m/s		+23

29 July, Tuesday. day, 25°; night, 20°; rain

30 July, wed

	751 mmHg		73%
	5 m/s		+23

30 July, Wednesday. day, 25°; night, 20°; partly cloudy

31 July, thu

	751 mmHg		74%
	4.69 m/s		+24

31 July, Thursday. day, 25°; night, 21°; clear

1 August, fri

	751 mmHg		75%
	5.1 m/s		+23

1 August, Friday. day, 25°; night, 21°; rain

2 August, sat

	750 mmHg		75%
	5.2 m/s		+23

2 August, Saturday. day, 25°; night, 21°; clear

3 August, sun

	750 mmHg		76%
	5.3 m/s		+24

3 August, Sunday. day, 25°; night, 21°; partly cloudy

4 August, mon

	751 mmHg		76%
	4.9 m/s		+24

4 August, Monday. day, 25°; night, 21°; rain

5 August, tue

	751 mmHg		73%
	5.1 m/s		+23

5 August, Tuesday. day, 25°; night, 20°; rain

6 August, wed

	751 mmHg		72%
	5.6 m/s		+23

6 August, Wednesday. day, 24°; night, 20°; partly cloudy

7 August, thu

	751 mmHg		74%
	5.4 m/s		+23

7 August, Thursday. day, 24°; night, 20°; partly cloudy

8 August, fri

	750 mmHg		75%
	5.5 m/s		+23

8 August, Friday. day, 25°; night, 20°; rain

9 August, sat

	750 mmHg		74%
	5.3 m/s		+24

9 August, Saturday. day, 25°; night, 20°; clear

10 August, sun

	749 mmHg		75%
	5.3 m/s		+23

10 August, Sunday. day, 24°; night, 20°; rain

11 August, mon

	750 mmHg		74%
	5.4 m/s		+23

11 August, Monday. day, 24°; night, 20°; clear

12 August, tue

	750 mmHg		74%
	5.6 m/s		+23

12 August, Tuesday. day, 24°; night, 20°; rain

13 August, wed

	751 mmHg		75%
	5.1 m/s		+24

13 August, Wednesday. day, 24°; night, 20°; clear

14 August, thu

	751 mmHg		73%
	5 m/s		+23

14 August, Thursday. day, 24°; night, 20°; partly cloudy

15 August, fri

	751 mmHg		74%
	5.1 m/s		+23

15 August, Friday. day, 24°; night, 20°; rain

16 August, sat

	751 mmHg		75%
	5.5 m/s		+23

16 August, Saturday. day, 24°; night, 20°; rain

17 August, sun

	751 mmHg		75%
	5.9 m/s		+23

17 August, Sunday. day, 24°; night, 20°; rain

18 August, mon

	750 mmHg		75%
	5.5 m/s		+23

18 August, Monday. day, 24°; night, 20°; rain

19 August, tue

	751 mmHg		74%
	5.1 m/s		+23

19 August, Tuesday. day, 24°; night, 19°; clear

20 August, wed

	751 mmHg		74%
	5.4 m/s		+23

20 August, Wednesday. day, 23°; night, 19°; partly cloudy

21 August, thu

	751 mmHg		75%
	5.6 m/s		+23

21 August, Thursday. day, 24°; night, 20°; rain

22 August, fri

	751 mmHg		74%
	5.3 m/s		+22

22 August, Friday. day, 24°; night, 19°; clear

23 August, sat

	752 mmHg		74%
	5.6 m/s		+23

23 August, Saturday. day, 24°; night, 19°; clear

24 August, sun

	752 mmHg		73%
	5.7 m/s		+23

24 August, Sunday. day, 23°; night, 19°; clear

25 August, mon

	752 mmHg		74%
	5.5 m/s		+22

25 August, Monday. day, 24°; night, 19°; partly cloudy

26 August, tue

	752 mmHg		75%
	5.4 m/s		+22

26 August, Tuesday. day, 24°; night, 20°; overcast

27 August, wed

	752 mmHg		77%
	5.9 m/s		+23

27 August, Wednesday. day, 24°; night, 20°; overcast

28 August, thu

	751 mmHg		76%
	5.7 m/s		+22

28 August, Thursday. day, 23°; night, 19°; clear

29 August, fri

	751 mmHg		75%
	5.6 m/s		+22

29 August, Friday. day, 24°; night, 19°; partly cloudy

30 August, sat

	752 mmHg		74%
	5.8 m/s		+23

30 August, Saturday. day, 23°; night, 19°; clear

31 August, sun

	752 mmHg		73%
	5.5 m/s		+23

31 August, Sunday. day, 23°; night, 19°; clear

1 September, mon

	753 mmHg		73%
	5.2 m/s		+23

1 September, Monday. day, 23°; night, 19°; clear

2 September, tue

	752 mmHg		74%
	5.4 m/s		+23

2 September, Tuesday. day, 23°; night, 19°; clear

3 September, wed

	751 mmHg		75%
	5.4 m/s		+22

3 September, Wednesday. day, 23°; night, 19°; clear

4 September, thu

	751 mmHg		75%
	5.7 m/s		+22

4 September, Thursday. day, 23°; night, 19°; clear

5 September, fri

	753 mmHg		74%
	6 m/s		+23

5 September, Friday. day, 23°; night, 18°; clear

6 September, sat

	753 mmHg		74%
	5.4 m/s		+22

6 September, Saturday. day, 23°; night, 18°; clear

Average data for 10 years

Grand Island August

11

sunny days

11

days with precipitation

4

cloudy days

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

75

%

air humidity

3.7

m/s

WindS

82

mm of precipitation

(8% of annual average)

+23

°C

Water temperature

air humidity 75%; 82 millimeters of precipitation (8% of annual average); Wind southerly 3.7 Meters per second; Water temperature +23°

Weather graphs for August

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

SW

SW

SW

SW

SW

SW

SW

S

SW

SW

SW

S

SW

S

S

SW

SW

S

S

S

S

SW

SW

S

S

S

S

S

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

Toronto
Pittsburgh
Brooklyn
Burlington
York
London
Buffalo
Cleveland
Macedonia

Cities with similar weather in August

Rio de Janeiro
Genoa
Boston
Marseilles
Balkhash
San Remo
Loanda
Mombasa
Aix-en-Provence

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

In August, the weather in Grand Island is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Grand Island has 11 rainy, 11 sunny, 7 partly cloudy, and 2 cloudy days in August. The rains are usually heavy.

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