Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 9°C. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Friday
23rd Oct
9

5

2

1
Saturday
24th Oct
12

5

2

1
Sunday
25th Oct
10

6

4

1
Monday
26th Oct
14

5

0

0
Tuesday
27th Oct
12

7

2

1

5-day weather forecast updated at 04:03 on Friday 23rd 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 Friday 23rd October 2026

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and a fresh breeze of 36 kph from the north-west.

9
°C maximum temperature
5
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
88
% chance of some rain
<10
mm of rainfall expected
5
°C wind chill
36
kph wind from NW

Portstewart weather for Saturday 24th October 2026

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 12°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a fresh gale of 62 kph from the south-west.

12
°C maximum temperature
5
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
99
% chance of some rain
<20
mm of rainfall expected
12
°C wind chill
62
kph wind from SW

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 5-10 mm of rainfall expected with 68% chance of some rain and a fresh gale of 67 kph from the west.

10
°C maximum temperature
6
°C minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
68
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
67
kph wind from W

Portstewart weather for Monday 26th October 2026

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 14°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 35 kph from the south-east.

14
°C maximum temperature
5
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
92
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
35
kph wind from SE

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 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and a strong breeze of 45 kph from the west.