Menai Straight - Britannia Bridge Weather Forecast, Isle of Anglesey

Today 19 Nov Wales

Icy stretches possible initially as early rain and hill snow clears to leave much of the country with sunnier skies for the afternoon. However, showers continuing in the west, turning wintry. Feeling cold in brisk northerly winds. Maximum Temperature 6C.

Tonight 19 Nov Wales

Blustery, wintry showers persisting in the west, bringing a chance of icy patches and accumulating snow on hills. Widely clear skies and lighter winds in the east, allow for a widespread frost to develop overnight. Minimum Temperature -5C.

Thu 20 Nov Wales

Ongoing wintry showers in the west. Dry further east with plenty of sunny spells. Cold, but less of a wind-chill effect than Wednesday, with the breeze moderating throughout the day. Maximum Temperature 7C.

Fri 21 Nov Wales

Cold again on Friday, though sunshine for many as showers ease. A change this weekend as it turns more unsettled with rain moving in, but also with temperatures increasing slightly.

Sat 22 Nov Wales

Cold again on Friday, though sunshine for many as showers ease. A change this weekend as it turns more unsettled with rain moving in, but also with temperatures increasing slightly.

Sun 23 Nov Wales

Cold again on Friday, though sunshine for many as showers ease. A change this weekend as it turns more unsettled with rain moving in, but also with temperatures increasing slightly.

Mon 24 Nov Wales

Unsettled at first with low pressure, to the east, only very slow clearing. This bringing cloud and outbreaks of rain to many areas, accompanied by strong winds and coastal gales. These more unsettled conditions will probably become increasingly confined to the east, whilst showers in the far north are increasingly likely to turn to sleet and snow. A more settled interlude is possible mid-next week, which may be brief or could last a few days, before a trend towards more changeable conditions associated with Atlantic weather systems. Towards the end of the period, an increasing chance of more settled spells. Temperatures overall likely to be a little below average, with further overnight frosts in settled spells.

Tue 25 Nov Wales

Unsettled at first with low pressure, to the east, only very slow clearing. This bringing cloud and outbreaks of rain to many areas, accompanied by strong winds and coastal gales. These more unsettled conditions will probably become increasingly confined to the east, whilst showers in the far north are increasingly likely to turn to sleet and snow. A more settled interlude is possible mid-next week, which may be brief or could last a few days, before a trend towards more changeable conditions associated with Atlantic weather systems. Towards the end of the period, an increasing chance of more settled spells. Temperatures overall likely to be a little below average, with further overnight frosts in settled spells.

Menai Straight - Britannia Bridge Weather Forecast

Today 19 Nov Wales

Tonight 19 Nov Wales

Thu 20 Nov Wales

Fri 21 Nov Wales

Sat 22 Nov Wales

Sun 23 Nov Wales

Mon 24 Nov Wales

Tue 25 Nov Wales

Temperature Forecast Met Office

Temperature Real-Time

Crug-y-Gorllwyn (Carmarthenshire) Radar

National Satellite

National Synoptic

Menai Straight - Britannia Bridge Temperature Statistics

November Temperature

Capel Curig Saws (21km)

Lowest 9 January, 2025

Average 2025

Highest 12 July, 2025

Lowest 17 October, 2025

Average October

Highest 13 October, 2025

Lowest 17 November, 2025

Average November

Highest 5 November, 2025

Climate (2020–Present)

Capel Curig Saws (21km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025