Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 12°C. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Tuesday
24th Feb
12

9

0

1
Wednesday
25th Feb
13

10

0

1
Thursday
26th Feb
11

7

1

1
Friday
27th Feb
9

3

3

1
Saturday
28th Feb
9

1

1

1

5-day weather forecast updated at 04:06 on Tuesday 24th February 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 24th February 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a moderate breeze of 28 kph from the south.

12
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
30
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
28
kph wind from S

Portstewart weather for Wednesday 25th February 2026

Expect overcast with light rain in Portstewart, Northern Ireland with a maximum temperature of 13°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 20 kph from the south.

13
°C maximum temperature
10
°C minimum temperature
overcast with light rain
0
hours of sunshine
1
UV index (Low)
63
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
20
kph wind from S

Portstewart weather for Thursday 26th February 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a fresh breeze of 31 kph from the south-west.

11
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
62
% chance of some rain
<2
mm of rainfall expected
11
°C wind chill
31
kph wind from SW

Portstewart weather for Friday 27th February 2026

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 22 kph from the west.

9
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
79
% chance of some rain
<10
mm of rainfall expected
6
°C wind chill
22
kph wind from W

Portstewart weather for Saturday 28th February 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a moderate breeze of 26 kph from the south.