Menai Strait - Bangor Pier Weather Forecast, Gwynedd

Today 14 Sep Wales

A briefly dry but cloudy start, before a band of rain, with prolonged or heavy downpours, spreads northeastwards throughout much of the day, bringing widespread strong winds, with gales likely. Showers follow later. Feeling muggy compared to recent days. Maximum Temperature 18C.

Tonight 14 Sep Wales

Drier this evening with some late sunshine, then clear periods interspersed with heavy showers overnight. Southwesterly winds strengthening with gales or severe gales developing in coastal regions and gale-force gusts in some inland areas too. Much milder than last night. Minimum Temperature 12C.

Mon 15 Sep Wales

Windy with gales, locally severe in coastal and upland areas, especially during the morning. Scattered showers, heaviest and most frequent in the north, but occasional bright spells too. Feeling cool. Maximum Temperature 17C.

Tue 16 Sep Wales

Drier and much less windy on Tuesday, but further wet and windy weather arriving later. Mixed on Wednesday and Thursday with occasional showers but some brightness too. Often windy.

Wed 17 Sep Wales

Drier and much less windy on Tuesday, but further wet and windy weather arriving later. Mixed on Wednesday and Thursday with occasional showers but some brightness too. Often windy.

Thu 18 Sep Wales

Drier and much less windy on Tuesday, but further wet and windy weather arriving later. Mixed on Wednesday and Thursday with occasional showers but some brightness too. Often windy.

Fri 19 Sep Wales

The broadly unsettled conditions look to continue during the first part of this period. All areas are likely see some further spells of wet and at times windy weather, interspersed with brighter, showery interludes. By the start of the following week, a ridge of high pressure may extend eastwards towards the UK, bringing an increasing chance of longer periods of drier weather to northern areas initially, whilst low pressure remains closer by to the south or southeast. Towards the end of this period, high pressure maybe rather more dominant across the UK. A cooler interlude is likely for a time through next week, with chilly nights and fog patches likely under the influence of high pressure. Temperatures probably returning closer to average by late September.

Sat 20 Sep Wales

The broadly unsettled conditions look to continue during the first part of this period. All areas are likely see some further spells of wet and at times windy weather, interspersed with brighter, showery interludes. By the start of the following week, a ridge of high pressure may extend eastwards towards the UK, bringing an increasing chance of longer periods of drier weather to northern areas initially, whilst low pressure remains closer by to the south or southeast. Towards the end of this period, high pressure maybe rather more dominant across the UK. A cooler interlude is likely for a time through next week, with chilly nights and fog patches likely under the influence of high pressure. Temperatures probably returning closer to average by late September.

Menai Strait - Bangor Pier Weather Forecast

Today 14 Sep Wales

Tonight 14 Sep Wales

Mon 15 Sep Wales

Tue 16 Sep Wales

Wed 17 Sep Wales

Thu 18 Sep Wales

Fri 19 Sep Wales

Sat 20 Sep Wales

Temperature Forecast Met Office

Temperature Real-Time

Hameldon Hill (Lancashire) Radar

National Satellite

National Synoptic

Menai Strait - Bangor Pier Temperature Statistics

September Temperature

Capel Curig Saws (20km)

Lowest 9 January, 2025

Average 2025

Highest 12 July, 2025

Lowest 10 August, 2025

Average August

Highest 12 August, 2025

Lowest 13 September, 2025

Average September

Highest 7 September, 2025

Climate (2020–Present)

Capel Curig Saws (20km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025