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August weather forecast in Portlaoise

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

	747 mmHg		79%
	4.3 m/s

27 July, Sunday. day, 19°; night, 12°; partly cloudy

28 July, mon

	748 mmHg		81%
	4.9 m/s

28 July, Monday. day, 18°; night, 12°; rain

29 July, tue

	747 mmHg		82%
	4.9 m/s

29 July, Tuesday. day, 18°; night, 12°; rain

30 July, wed

	748 mmHg		80%
	4.9 m/s

30 July, Wednesday. day, 18°; night, 12°; rain

31 July, thu

	747 mmHg		82%
	5.2 m/s

31 July, Thursday. day, 18°; night, 12°; rain

1 August, fri

	747 mmHg		80%
	4.69 m/s

1 August, Friday. day, 19°; night, 12°; overcast

2 August, sat

	747 mmHg		81%
	5.2 m/s

2 August, Saturday. day, 19°; night, 12°; rain

3 August, sun

	748 mmHg		80%
	5.3 m/s

3 August, Sunday. day, 18°; night, 12°; rain

4 August, mon

	749 mmHg		80%
	5.2 m/s

4 August, Monday. day, 19°; night, 12°; rain

5 August, tue

	748 mmHg		81%
	4.69 m/s

5 August, Tuesday. day, 19°; night, 12°; rain

6 August, wed

	749 mmHg		84%
	4.69 m/s

6 August, Wednesday. day, 18°; night, 12°; rain

7 August, thu

	749 mmHg		79%
	4.19 m/s

7 August, Thursday. day, 19°; night, 12°; partly cloudy

8 August, fri

	749 mmHg		80%
	4.6 m/s

8 August, Friday. day, 19°; night, 11°; partly cloudy

9 August, sat

	749 mmHg		80%
	4.69 m/s

9 August, Saturday. day, 19°; night, 12°; partly cloudy

10 August, sun

	749 mmHg		79%
	4.69 m/s

10 August, Sunday. day, 19°; night, 12°; clear

11 August, mon

	749 mmHg		81%
	5.3 m/s

11 August, Monday. day, 19°; night, 12°; rain

12 August, tue

	748 mmHg		80%
	4.9 m/s

12 August, Tuesday. day, 19°; night, 12°; rain

13 August, wed

	748 mmHg		80%
	4.6 m/s

13 August, Wednesday. day, 19°; night, 12°; overcast

14 August, thu

	748 mmHg		82%
	4.69 m/s

14 August, Thursday. day, 18°; night, 12°; partly cloudy

15 August, fri

	748 mmHg		81%
	4.8 m/s

15 August, Friday. day, 19°; night, 12°; overcast

16 August, sat

	748 mmHg		80%
	5.1 m/s

16 August, Saturday. day, 18°; night, 12°; rain

17 August, sun

	746 mmHg		81%
	5.1 m/s

17 August, Sunday. day, 18°; night, 12°; rain

18 August, mon

	745 mmHg		82%
	4.8 m/s

18 August, Monday. day, 18°; night, 12°; rain

19 August, tue

	746 mmHg		83%
	5.6 m/s

19 August, Tuesday. day, 18°; night, 12°; rain

20 August, wed

	748 mmHg		82%
	5.4 m/s

20 August, Wednesday. day, 18°; night, 12°; rain

21 August, thu

	749 mmHg		80%
	5.3 m/s

21 August, Thursday. day, 19°; night, 12°; overcast

22 August, fri

	750 mmHg		82%
	4.8 m/s

22 August, Friday. day, 18°; night, 12°; rain

23 August, sat

	748 mmHg		83%
	4.8 m/s

23 August, Saturday. day, 18°; night, 12°; rain

24 August, sun

	748 mmHg		80%
	5 m/s

24 August, Sunday. day, 18°; night, 11°; partly cloudy

25 August, mon

	747 mmHg		82%
	5 m/s

25 August, Monday. day, 18°; night, 11°; rain

26 August, tue

	748 mmHg		82%
	5.2 m/s

26 August, Tuesday. day, 18°; night, 11°; partly cloudy

27 August, wed

	749 mmHg		82%
	5 m/s

27 August, Wednesday. day, 18°; night, 11°; partly cloudy

28 August, thu

	750 mmHg		80%
	4.9 m/s

28 August, Thursday. day, 17°; night, 11°; clear

29 August, fri

	751 mmHg		80%
	5.2 m/s

29 August, Friday. day, 17°; night, 11°; partly cloudy

30 August, sat

	752 mmHg		80%
	4.6 m/s

30 August, Saturday. day, 17°; night, 10°; partly cloudy

31 August, sun

	752 mmHg		80%
	4.6 m/s

31 August, Sunday. day, 17°; night, 10°; partly cloudy

1 September, mon

	751 mmHg		81%
	4.5 m/s

1 September, Monday. day, 18°; night, 11°; overcast

2 September, tue

	751 mmHg		83%
	4.5 m/s

2 September, Tuesday. day, 18°; night, 11°; rain

3 September, wed

	750 mmHg		82%
	4.9 m/s

3 September, Wednesday. day, 18°; night, 11°; partly cloudy

4 September, thu

	750 mmHg		82%
	4.9 m/s

4 September, Thursday. day, 18°; night, 11°; overcast

5 September, fri

	750 mmHg		83%
	5.2 m/s

5 September, Friday. day, 18°; night, 12°; rain

6 September, sat

	749 mmHg		82%
	5.2 m/s

6 September, Saturday. day, 17°; night, 11°; rain

Average data for 10 years

Portlaoise August

2

sunny days

15

days with precipitation

15

cloudy days

2 sunny days; 15 days with precipitation; 15 cloudy days;

81

%

air humidity

3.5

m/s

WindSW

89

mm of precipitation

(10% of annual average)

air humidity 81%; 89 millimeters of precipitation (10% of annual average); Wind south-westerly 3.5 Meters per second

Weather graphs for August

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

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

Dublin
Carrickfinn
Cork
Galway
Wicklow
Looe
Belfast
Oban
Penzance

Cities with similar weather in August

Sydney
Altay
Capetown
Looe
Gudauri
Edinburgh
Bergen
Antananarivo
Anchorage

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

In August, the weather in Portlaoise is typically warm. Average daily high temperature in August is about 18 degrees above zero. On average, Portlaoise has 15 rainy, 10 partly cloudy, 4 cloudy, and 2 sunny days in August. The rains are usually heavy.

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