Portlaoise weather live forecast

Today's maximum temperature in Portlaoise is expected to be 54°F. Select a day from the live weather forecast for Portlaoise, Ireland for more weather parameters.

Sunday
14th Dec
54

46

0

0
Monday
15th Dec
46

37

0

0
Tuesday
16th Dec
43

34

6

0
Wednesday
17th Dec
52

39

1

0
Thursday
18th Dec
50

41

1

0

5-day weather forecast updated at 04:04 on Sunday 14th December 2025 GMT

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The 5-day weather forecast for Ireland (Portlaoise) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Portlaoise weather forecast by day

Below are the detailed weather forecasts for Portlaoise for the next 5 days.

Portlaoise weather for Sunday 14th December 2025

Expect cloudy with some rain in Portlaoise, Ireland with a maximum temperature of 54°F and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 92% chance of some rain and a strong breeze of 25 mph from the south.

54
°F maximum temperature
46
°F minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
92
% chance of some rain
<30
mm of rainfall expected
54
°F wind chill
25
mph wind from S

Portlaoise weather for Monday 15th December 2025

Expect overcast skies in Portlaoise, Ireland with a maximum temperature of 46°F and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the west.

46
°F maximum temperature
37
°F minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
41
°F wind chill
8
mph wind from W

Portlaoise weather for Tuesday 16th December 2025

Expect broken clouds in Portlaoise, Ireland with a maximum temperature of 43°F and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south-west.

43
°F maximum temperature
34
°F minimum temperature
broken clouds
6
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
36
°F wind chill
12
mph wind from SW

Portlaoise weather for Wednesday 17th December 2025

Expect mostly cloudy with rain in Portlaoise, Ireland with a maximum temperature of 52°F and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a fresh breeze of 21 mph from the south.

52
°F maximum temperature
39
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
87
% chance of some rain
<10
mm of rainfall expected
52
°F wind chill
21
mph wind from S

Portlaoise weather for Thursday 18th December 2025

Expect overcast skies in Portlaoise, Ireland with a maximum temperature of 50°F and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 30 mph from the south-west.