Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 5°C. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Wednesday
7th Jan
5

2

1

0
Thursday
8th Jan
5

2

0

0
Friday
9th Jan
5

-2

0

0
Saturday
10th Jan
3

-2

1

0
Sunday
11th Jan
6

1

2

0

5-day weather forecast updated at 04:04 on Wednesday 7th January 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 Wednesday 7th January 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 5°C and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a strong breeze of 47 kph from the north-west.

5
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
0
UV index (None)
55
% chance of some rain
<2
mm of rainfall expected
-1
°C wind chill
47
kph wind from NW

Portstewart weather for Thursday 8th January 2026

Expect overcast with light rain in Portstewart, Northern Ireland with a maximum temperature of 5°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 13 kph from the south.

5
°C maximum temperature
2
°C minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
43
% chance of some rain
<2
mm of rainfall expected
2
°C wind chill
13
kph wind from S

Portstewart weather for Friday 9th January 2026

Expect cloudy with sleet or snow in Portstewart, Northern Ireland with a maximum temperature of 5°C and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 30% chance of some sleet or snow and a gentle breeze of 19 kph from the north-west.

5
°C maximum temperature
-2
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
0
UV index (None)
30
% chance of some sleet or snow
<5
mm of sleet/snow expected
1
°C wind chill
19
kph wind from NW

Portstewart weather for Saturday 10th January 2026

Expect cloudy with sleet or snow in Portstewart, Northern Ireland with a maximum temperature of 3°C and 1 hour of bright sunshine. There are 0-2 mm of sleet/snow expected with 32% chance of some sleet or snow and a fresh breeze of 32 kph from the south-east.

3
°C maximum temperature
-2
°C minimum temperature
cloudy with sleet or snow
1
hour of sunshine
0
UV index (None)
32
% chance of some sleet or snow
<2
mm of sleet/snow expected
-3
°C wind chill
32
kph wind from SE

Portstewart weather for Sunday 11th January 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 6°C and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a fresh breeze of 35 kph from the south-east.