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.

Monday
13th Apr
10

1

6

3
Tuesday
14th Apr
11

2

0

1
Wednesday
15th Apr
14

9

1

1
Thursday
16th Apr
14

7

8

2
Friday
17th Apr
14

7

1

2

5-day weather forecast updated at 04:03 on Monday 13th 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 Monday 13th April 2026

Expect scattered clouds in Portstewart, Northern Ireland with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

10
°C maximum temperature
1
°C minimum temperature
scattered clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
7
°C wind chill
19
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 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a fresh breeze of 34 kph from the south-east.

11
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
50
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
34
kph wind from SE

Portstewart weather for Wednesday 15th April 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 14°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 90% chance of some rain and a fresh breeze of 35 kph from the south.

14
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
90
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
35
kph wind from S

Portstewart weather for Thursday 16th April 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a fresh breeze of 31 kph from the south-west.

14
°C maximum temperature
7
°C minimum temperature
sunshine and showers
8
hours of sunshine
2
UV index (Low)
42
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
31
kph wind from SW

Portstewart weather for Friday 17th April 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a moderate breeze of 23 kph from the south.