Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 50°F. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Saturday
14th Nov
50

36

1

1
Sunday
15th Nov
48

36

2

0
Monday
16th Nov
45

32

6

0
Tuesday
17th Nov
43

34

2

0
Wednesday
18th Nov
46

36

3

0

5-day weather forecast updated at 04:03 on Friday 13th 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 Saturday 14th November 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 50°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 88% chance of some rain and a fresh breeze of 19 mph from the south.

50
°F maximum temperature
36
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
88
% chance of some rain
<2
mm of rainfall expected
43
°F wind chill
19
mph wind from S

Portstewart weather for Sunday 15th November 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 48°F and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 89% chance of some rain and a strong breeze of 29 mph from the north-west.

48
°F maximum temperature
36
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
0
UV index (None)
89
% chance of some rain
<2
mm of rainfall expected
41
°F wind chill
29
mph wind from NW

Portstewart weather for Monday 16th November 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 45°F and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a moderate breeze of 15 mph from the north-west.

45
°F maximum temperature
32
°F minimum temperature
sunshine and showers
6
hours of sunshine
0
UV index (None)
41
% chance of some rain
<2
mm of rainfall expected
37
°F wind chill
15
mph wind from NW

Portstewart weather for Tuesday 17th November 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 43°F and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 14 mph from the south-east.

43
°F maximum temperature
34
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
0
UV index (None)
55
% chance of some rain
<2
mm of rainfall expected
36
°F wind chill
14
mph wind from SE

Portstewart weather for Wednesday 18th November 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 46°F and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 8 mph from the east.