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

2

1
Saturday
25th Oct
9

7

3

1
Sunday
26th Oct
11

8

0

0
Monday
27th Oct
9

6

5

1
Tuesday
28th Oct
10

6

0

0

5-day weather forecast updated at 04:03 on Friday 24th 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 light rain in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a strong breeze of 42 kph from the north.

11
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
63
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
42
kph wind from N

Portstewart weather for Saturday 25th October 2025

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a strong breeze of 42 kph from the north-west.

9
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
70
% chance of some rain
<5
mm of rainfall expected
5
°C wind chill
42
kph wind from NW

Portstewart weather for Sunday 26th October 2025

Expect overcast skies in Portstewart, Northern Ireland with a maximum temperature of 11°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the north-west.

11
°C maximum temperature
8
°C minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
11
°C wind chill
36
kph wind from NW

Portstewart weather for Monday 27th October 2025

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a fresh breeze of 36 kph from the north-west.

9
°C maximum temperature
6
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
54
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
36
kph wind from NW

Portstewart weather for Tuesday 28th October 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 10°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.