Pen-ychain Weather Forecast, Gwynedd

Today 15 Jun Wales

A few scattered showers at first, sometimes heavy across the mountains, spreading slowly eastwards through the morning. Turning drier with plenty of sunshine to follow, though always a little cloudier in the north. Fresher than recent days with light winds. Maximum Temperature 20C.

Tonight 15 Jun Wales

Cloud continues to spill across the north through this evening bringing light, patchy rain across the hills. Becoming drier overnight with clear spells developing by dawn, though some mist and fog patches across the hills. Mild with winds easing. Minimum Temperature 8C.

Mon 16 Jun Wales

Mainly dry and fine with plenty of sunny spells, though a few light showers are possible across the mountains during the afternoon. Light winds, and feeling warm in the sunshine. Maximum Temperature 21C.

Tue 17 Jun Wales

Mostly settled this week as high pressure builds from the southwest. Some cloudy periods, with patchy rain across the hills on Tuesday, but plenty of sunny spells too. Feeling warmer.

Wed 18 Jun Wales

Mostly settled this week as high pressure builds from the southwest. Some cloudy periods, with patchy rain across the hills on Tuesday, but plenty of sunny spells too. Feeling warmer.

Thu 19 Jun Wales

Mostly settled this week as high pressure builds from the southwest. Some cloudy periods, with patchy rain across the hills on Tuesday, but plenty of sunny spells too. Feeling warmer.

Fri 20 Jun Wales

Most parts of the UK are expected to be fine and dry at the start of this period, with a low risk of thundery showers in the west. Then a northwest to southeast split is likely to develop. The wettest and windiest conditions are expected in the northwest, with rain at times which may be heavy in places. It will likely be very warm or perhaps hot at first in the north, quickly becoming near normal or slightly above. More settled in the southeast with conditions drier overall, although some rain will probably spread from the west or northwest at times. There is also the risk that isolated heavy showers and thunderstorms could develop at times. Temperatures are expected to be above normal, perhaps with some hot spells.

Sat 21 Jun Wales

Most parts of the UK are expected to be fine and dry at the start of this period, with a low risk of thundery showers in the west. Then a northwest to southeast split is likely to develop. The wettest and windiest conditions are expected in the northwest, with rain at times which may be heavy in places. It will likely be very warm or perhaps hot at first in the north, quickly becoming near normal or slightly above. More settled in the southeast with conditions drier overall, although some rain will probably spread from the west or northwest at times. There is also the risk that isolated heavy showers and thunderstorms could develop at times. Temperatures are expected to be above normal, perhaps with some hot spells.

Pen-ychain Weather Forecast

Today 15 Jun Wales

Tonight 15 Jun Wales

Mon 16 Jun Wales

Tue 17 Jun Wales

Wed 18 Jun Wales

Thu 19 Jun Wales

Fri 20 Jun Wales

Sat 21 Jun Wales

Temperature Forecast Met Office

Temperature Real-Time

Crug-y-Gorllwyn (Carmarthenshire) Radar

National Satellite

National Synoptic

Pen-ychain Temperature Statistics

June Temperature

Aberdaron (30km)

Lowest 8 January, 2025

Average 2025

Highest 30 April, 2025

Lowest 5 May, 2025

Average May

Highest 13 May, 2025

Lowest 8 June, 2025

Average June

Highest 11 June, 2025

Climate (2020–Present)

Aberdaron (30km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025