Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 10°C. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Sunday
25th Oct
10

7

4

1
Monday
26th Oct
16

6

0

0
Tuesday
27th Oct
12

7

3

1
Wednesday
28th Oct
14

8

4

1
Thursday
29th Oct
13

8

3

1

5-day weather forecast updated at 04:03 on Sunday 25th October 2026 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 Sunday 25th October 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and a fresh gale of 68 kph from the west.

10
°C maximum temperature
7
°C minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
57
% chance of some rain
<5
mm of rainfall expected
4
°C wind chill
68
kph wind from W

Portstewart weather for Monday 26th October 2026

Expect cloudy with some rain in Portstewart, Northern Ireland with a maximum temperature of 16°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 96% chance of some rain and a strong breeze of 39 kph from the south.

16
°C maximum temperature
6
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
96
% chance of some rain
<10
mm of rainfall expected
16
°C wind chill
39
kph wind from S

Portstewart weather for Tuesday 27th October 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 12°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 47 kph from the south-west.

12
°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
0
no heat & humidity
47
kph wind from SW

Portstewart weather for Wednesday 28th October 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 14°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a fresh breeze of 29 kph from the south-west.

14
°C maximum temperature
8
°C minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
40
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
29
kph wind from SW

Portstewart weather for Thursday 29th October 2026

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 13°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.