Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 61°F. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Tuesday
13th Oct
61

48

6

1
Wednesday
14th Oct
63

48

0

1
Thursday
15th Oct
55

46

6

1
Friday
16th Oct
54

43

6

1
Saturday
17th Oct
55

41

4

1

5-day weather forecast updated at 04:03 on Monday 12th October 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 Tuesday 13th October 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 61°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a strong breeze of 24 mph from the south-west.

61
°F maximum temperature
48
°F minimum temperature
sunshine and showers
6
hours of sunshine
1
UV index (Low)
38
% chance of some rain
<2
mm of rainfall expected
61
°F wind chill
24
mph wind from SW

Portstewart weather for Wednesday 14th October 2026

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 65% chance of some rain and a strong breeze of 27 mph from the south.

63
°F maximum temperature
48
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
65
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
27
mph wind from S

Portstewart weather for Thursday 15th October 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 55°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 15 mph from the south-west.

55
°F maximum temperature
46
°F minimum temperature
sunshine and showers
6
hours of sunshine
1
UV index (Low)
47
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
15
mph wind from SW

Portstewart weather for Friday 16th October 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 54°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 16 mph from the north-west.

54
°F maximum temperature
43
°F minimum temperature
sunshine and showers
6
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
16
mph wind from NW

Portstewart weather for Saturday 17th October 2026

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 55°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.