Portstewart weather live forecast

Tomorrow's maximum temperature in Portstewart is expected to be 48°F.

Friday
18th Apr

48

45

0
Saturday
19th Apr

48

45

0
Sunday
20th Apr

54

45

3
Monday
21st Apr

55

45

5
Tuesday
22nd Apr

54

45

0

5-day weather forecast updated at 04:03 on Friday 18th 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 Friday 18th April 2025

Expect cloudy with some rain in Portstewart, Northern Ireland with a maximum temperature of 48°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a fresh breeze of 20 mph from the north-east.

48
°F maximum temperature
45
°F minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
99
% chance of some rain
<20
mm of rainfall expected
41
°F wind chill
20
mph wind from NE

Portstewart weather for Saturday 19th April 2025

Expect cloudy with some rain in Portstewart, Northern Ireland with a maximum temperature of 48°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and a fresh breeze of 19 mph from the east.

48
°F maximum temperature
45
°F minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
91
% chance of some rain
<20
mm of rainfall expected
43
°F wind chill
19
mph wind from E

Portstewart weather for Sunday 20th April 2025

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 54°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 12 mph from the south-east.

54
°F maximum temperature
45
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
26
% chance of some rain
<5
mm of rainfall expected
54
°F wind chill
12
mph wind from SE

Portstewart weather for Monday 21st April 2025

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 55°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 11 mph from the south.

55
°F maximum temperature
45
°F minimum temperature
mostly cloudy with rain
5
hours of sunshine
2
UV index (Low)
66
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
11
mph wind from S

Portstewart weather for Tuesday 22nd April 2025

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 54°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 10 mph from the south.