Portstewart weather live forecast

Tomorrow's maximum temperature in Portstewart is expected to be 68°F.

Monday
30th Jun

68

52

0
Tuesday
1st Jul

61

52

12
Wednesday
2nd Jul

61

50

6
Thursday
3rd Jul

64

48

4
Friday
4th Jul

63

52

0

5-day weather forecast updated at 04:03 on Monday 30th June 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 Monday 30th June 2025

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 68°F, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 10 mph from the north.

68
°F maximum temperature
52
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
4
UV index (Moderate)
99
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
10
mph wind from N

Portstewart weather for Tuesday 1st July 2025

Expect scattered clouds in Portstewart, Northern Ireland with a maximum temperature of 61°F, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the north.

61
°F maximum temperature
52
°F minimum temperature
scattered clouds
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
61
°F wind chill
10
mph wind from N

Portstewart weather for Wednesday 2nd July 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 61°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-west.

61
°F maximum temperature
50
°F minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
11
mph wind from NW

Portstewart weather for Thursday 3rd July 2025

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 64°F, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 84% chance of some rain and a gentle breeze of 11 mph from the west.

64
°F maximum temperature
48
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
4
UV index (Moderate)
84
% chance of some rain
<2
mm of rainfall expected
64
°F wind chill
11
mph wind from W

Portstewart weather for Friday 4th July 2025

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 63°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a fresh breeze of 18 mph from the south-west.