Portstewart weather in October 2025

Q: How warm is it in Portstewart in October?

Daytime temperatures usually reach 13°C in Portstewart in October, falling to 7°C at night.

Q: How sunny is it in Portstewart in October?

There are normally 2 hours of bright sunshine each day in Portstewart in October - that's 23% of daylight hours.

Q: How warm is the sea around Portstewart in October?

The average sea temperature around Portstewart in October is 13°C.

Q: Does it rain in Portstewart in October?

There are usually 22 days with some rain in Portstewart in October and the average monthly rainfall is 124mm.

Expect daytime maximum temperatures of 55°F in Portstewart, Northern Ireland in October based on long-term weather averages. There are 2 hours of sunshine per day on average with 22 days with some rainfall and typically 4.9 inches of rainfall in the month.

55
55°F max day temperature
2
2 hours of sunshine per day
22
22 days with some rainfall
45
45°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
4.9
4.9 inches of monthly rainfall
2
2 (Low) UV index
55
55°F sea temperature

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The October weather guide for Northern Ireland (Portstewart) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about the UK

How warm is it in Portstewart in October?

Daytime temperatures usually reach 55°F in Portstewart in October, falling to 45°F at night.

How sunny is it in Portstewart in October?

There are normally 2 hours of bright sunshine each day in Portstewart in October - that's 23% of daylight hours.

How warm is the sea around Portstewart in October?

The average sea temperature around Portstewart in October is 55°F.

Does it rain in Portstewart in October?

There are usually 22 days with some rain in Portstewart in October and the average monthly rainfall is 4.9 inches.

Portstewart October sunrise & sunset times

Browse the sunrise and sunset times for Portstewart in October 2025. Select a month to view Portstewart sunrise and sunset times for the next 12 months.

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