Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 45°F. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Sunday
5th Apr
45

34

8

2
Monday
6th Apr
55

34

6

2
Tuesday
7th Apr
61

46

0

2
Wednesday
8th Apr
61

46

1

2
Thursday
9th Apr
52

41

6

2

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

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 45°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a strong breeze of 25 mph from the west.

45
°F maximum temperature
34
°F minimum temperature
sunshine and showers
8
hours of sunshine
2
UV index (Low)
31
% chance of some rain
<2
mm of rainfall expected
37
°F wind chill
25
mph wind from W

Portstewart weather for Monday 6th April 2026

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 55°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 24 mph from the south.

55
°F maximum temperature
34
°F minimum temperature
broken clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
55
°F wind chill
24
mph wind from S

Portstewart weather for Tuesday 7th April 2026

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 61°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the south-east.

61
°F maximum temperature
46
°F minimum temperature
broken clouds
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
21
mph wind from SE

Portstewart weather for Wednesday 8th April 2026

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 61°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south-west.

61
°F maximum temperature
46
°F minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
61
°F wind chill
14
mph wind from SW

Portstewart weather for Thursday 9th April 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 52°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a fresh breeze of 18 mph from the west.