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.

Sunday
12th Apr
11

4

7

2
Monday
13th Apr
10

1

3

3
Tuesday
14th Apr
11

2

1

2
Wednesday
15th Apr
14

8

0

2
Thursday
16th Apr
13

7

5

3

5-day weather forecast updated at 04:03 on Sunday 12th April 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 12th April 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a fresh breeze of 38 kph from the south-west.

11
°C maximum temperature
4
°C minimum temperature
sunshine and showers
7
hours of sunshine
2
UV index (Low)
36
% chance of some rain
<2
mm of rainfall expected
11
°C wind chill
38
kph wind from SW

Portstewart weather for Monday 13th April 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 81% chance of some rain and a gentle breeze of 18 kph from the south.

10
°C maximum temperature
1
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
81
% chance of some rain
<2
mm of rainfall expected
7
°C wind chill
18
kph wind from S

Portstewart weather for Tuesday 14th April 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 75% chance of some rain and a fresh breeze of 37 kph from the south-east.

11
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
75
% chance of some rain
<2
mm of rainfall expected
11
°C wind chill
37
kph wind from SE

Portstewart weather for Wednesday 15th April 2026

Expect cloudy with some rain in Portstewart, Northern Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 28 kph from the south.

14
°C maximum temperature
8
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
86
% chance of some rain
<10
mm of rainfall expected
14
°C wind chill
28
kph wind from S

Portstewart weather for Thursday 16th April 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 58% chance of some rain and a moderate breeze of 28 kph from the south.