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.

Sunday
15th Nov
9

4

0

0
Monday
16th Nov
6

2

6

1
Tuesday
17th Nov
9

4

0

0
Wednesday
18th Nov
10

4

0

0
Thursday
19th Nov
9

3

0

0

5-day weather forecast updated at 04:03 on Sunday 15th November 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 15th November 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 9°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 78% chance of some rain and a fresh breeze of 37 kph from the north.

9
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
78
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
37
kph wind from N

Portstewart weather for Monday 16th November 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 6°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and a strong breeze of 41 kph from the south-east.

6
°C maximum temperature
2
°C minimum temperature
sunshine and showers
6
hours of sunshine
1
UV index (Low)
68
% chance of some rain
<5
mm of rainfall expected
0
°C wind chill
41
kph wind from SE

Portstewart weather for Tuesday 17th November 2026

Expect cloudy with some rain in Portstewart, Northern Ireland with a maximum temperature of 9°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a strong breeze of 40 kph from the south-east.

9
°C maximum temperature
4
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
70
% chance of some rain
<20
mm of rainfall expected
4
°C wind chill
40
kph wind from SE

Portstewart weather for Wednesday 18th November 2026

Expect overcast with light rain in Portstewart, Northern Ireland with a maximum temperature of 10°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 25 kph from the east.

10
°C maximum temperature
4
°C minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
79
% chance of some rain
<5
mm of rainfall expected
7
°C wind chill
25
kph wind from E

Portstewart weather for Thursday 19th November 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 9°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a moderate breeze of 27 kph from the east.