Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 11°C. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Friday
24th Oct
11

7

3

1
Saturday
25th Oct
10

7

1

1
Sunday
26th Oct
11

7

0

0
Monday
27th Oct
11

8

1

1
Tuesday
28th Oct
11

7

4

1

5-day weather forecast updated at 04:03 on Thursday 23rd October 2025 GMT

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

Portstewart weather forecast by day

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

Portstewart weather for Friday 24th October 2025

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a strong breeze of 43 kph from the north.

11
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
78
% chance of some rain
<10
mm of rainfall expected
11
°C wind chill
43
kph wind from N

Portstewart weather for Saturday 25th October 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 43 kph from the north.

10
°C maximum temperature
7
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
43
kph wind from N

Portstewart weather for Sunday 26th October 2025

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 11°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 83% chance of some rain and a fresh breeze of 37 kph from the north-west.

11
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
83
% chance of some rain
<10
mm of rainfall expected
11
°C wind chill
37
kph wind from NW

Portstewart weather for Monday 27th October 2025

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 67% chance of some rain and a fresh breeze of 37 kph from the north-west.

11
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
67
% chance of some rain
<2
mm of rainfall expected
11
°C wind chill
37
kph wind from NW

Portstewart weather for Tuesday 28th October 2025

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a fresh breeze of 30 kph from the west.