Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 14°C. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Tuesday
6th Oct
14

8

4

2
Wednesday
7th Oct
12

8

4

2
Thursday
8th Oct
13

9

0

0
Friday
9th Oct
14

9

2

2
Saturday
10th Oct
12

8

3

1

5-day weather forecast updated at 04:03 on Tuesday 6th 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 Tuesday 6th October 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 15 kph from the north-west.

14
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
2
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
15
kph wind from NW

Portstewart weather for Wednesday 7th October 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 12°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a fresh breeze of 31 kph from the north-west.

12
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
2
UV index (Low)
53
% chance of some rain
<5
mm of rainfall expected
12
°C wind chill
31
kph wind from NW

Portstewart weather for Thursday 8th October 2026

Expect overcast with light rain in Portstewart, Northern Ireland with a maximum temperature of 13°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 92% chance of some rain and a fresh breeze of 31 kph from the south.

13
°C maximum temperature
9
°C minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
92
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
31
kph wind from S

Portstewart weather for Friday 9th October 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a fresh breeze of 31 kph from the west.

14
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
58
% chance of some rain
<5
mm of rainfall expected
14
°C wind chill
31
kph wind from W

Portstewart weather for Saturday 10th 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 63% chance of some rain and a fresh breeze of 34 kph from the west.