Portstewart weather live forecast

Tomorrow's maximum temperature in Portstewart is expected to be 9°C.

Wednesday
16th Apr

9

6

0
Thursday
17th Apr

12

3

6
Friday
18th Apr

11

6

0
Saturday
19th Apr

13

7

1
Sunday
20th Apr

13

5

4

5-day weather forecast updated at 04:03 on Wednesday 16th April 2025 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 Wednesday 16th April 2025

Expect cloudy with some rain in Portstewart, Northern Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 66% chance of some rain and a fresh breeze of 34 kph from the north.

9
°C maximum temperature
6
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
66
% chance of some rain
<30
mm of rainfall expected
5
°C wind chill
34
kph wind from N

Portstewart weather for Thursday 17th April 2025

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 22 kph from the south-east.

12
°C maximum temperature
3
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
63
% chance of some rain
<2
mm of rainfall expected
12
°C wind chill
22
kph wind from SE

Portstewart weather for Friday 18th April 2025

Expect mostly cloudy with 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 10-20 mm of rainfall expected with 87% chance of some rain and a fresh breeze of 33 kph from the east.

11
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
1
UV index (Low)
87
% chance of some rain
<20
mm of rainfall expected
11
°C wind chill
33
kph wind from E

Portstewart weather for Saturday 19th April 2025

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 34% chance of some rain and a fresh breeze of 29 kph from the east.

13
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
3
UV index (Moderate)
34
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
29
kph wind from E

Portstewart weather for Sunday 20th April 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.