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
29th Mar
11

4

3

2
Monday
30th Mar
10

7

2

2
Tuesday
31st Mar
13

9

3

2
Wednesday
1st Apr
12

6

1

1
Thursday
2nd Apr
11

4

0

2

5-day weather forecast updated at 04:03 on Saturday 28th March 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 29th March 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 2 (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 west.

11
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
70
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
47
kph wind from W

Portstewart weather for Monday 30th March 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 10°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a strong breeze of 41 kph from the north-west.

10
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
41
kph wind from NW

Portstewart weather for Tuesday 31st March 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 13°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a gentle breeze of 17 kph from the west.

13
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
28
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from W

Portstewart weather for Wednesday 1st April 2026

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 12°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

12
°C maximum temperature
6
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
15
kph wind from S

Portstewart weather for Thursday 2nd April 2026

Expect overcast with light rain in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a moderate breeze of 25 kph from the south-east.