Strangford Lough - Castleward Bay Weather Forecast, Down

Today 18 May Northern Ireland

A chilly but sunny start with any fog patches soon clearing. Cloud bubbles up this morning with showers developing, these becoming heavy and perhaps thundery this afternoon. The showers tend to die out across the north and west later. Maximum Temperature 15C.

Tonight 18 May Northern Ireland

Any remaining showers in east gradually dying out then a mainly dry night with long clear spells developing. Becoming chilly and, with light winds, patchy mist and fog developing. Minimum Temperature 2C.

Wed 19 May Northern Ireland

Any overnight fog patches soon clearing then another day of sunny spells and showers. The showers will still be occasionally heavy, they aren't expected to be as widespread as Tuesday. Maximum Temperature 15C.

Thu 20 May Northern Ireland

Soon becoming wet and windy on Thursday. Cloud and outbreaks of occasionally heavy rain slowly clear eastwards Friday with winds easing. Sunny spells and showers through Saturday.

Fri 21 May Northern Ireland

Soon becoming wet and windy on Thursday. Cloud and outbreaks of occasionally heavy rain slowly clear eastwards Friday with winds easing. Sunny spells and showers through Saturday.

Sat 22 May Northern Ireland

Soon becoming wet and windy on Thursday. Cloud and outbreaks of occasionally heavy rain slowly clear eastwards Friday with winds easing. Sunny spells and showers through Saturday.

Sun 23 May Northern Ireland

Unsettled conditions continuing, with scattered showers again developing across most areas. These showers are likely to be heavy at times, with thunderstorms possible in places. On Friday and possibly into the weekend, more prolonged spells of rain are likely at times, especially in the west. Into next week, there is a chance of more settled conditions to gradually become established. Whilst further rain and showers are possible, overall drier and brighter conditions should become more dominant. Staying rather cool for the time of year, although night time frost will be limited, mainly across rural, northern areas. During next week, there are some indications that conditions may start to turn warmer, with temperatures closer to normal for the time of year.

Mon 24 May Northern Ireland

Unsettled conditions continuing, with scattered showers again developing across most areas. These showers are likely to be heavy at times, with thunderstorms possible in places. On Friday and possibly into the weekend, more prolonged spells of rain are likely at times, especially in the west. Into next week, there is a chance of more settled conditions to gradually become established. Whilst further rain and showers are possible, overall drier and brighter conditions should become more dominant. Staying rather cool for the time of year, although night time frost will be limited, mainly across rural, northern areas. During next week, there are some indications that conditions may start to turn warmer, with temperatures closer to normal for the time of year.

Strangford Lough - Castleward Bay Weather Forecast

Today 18 May Northern Ireland

Tonight 18 May Northern Ireland

Wed 19 May Northern Ireland

Thu 20 May Northern Ireland

Fri 21 May Northern Ireland

Sat 22 May Northern Ireland

Sun 23 May Northern Ireland

Mon 24 May Northern Ireland

Temperature Forecast Met Office

Temperature Real-Time

National Radar

National Satellite

National Synoptic

Strangford Lough - Castleward Bay Temperature Statistics

May Temperature

Aldergrove (32.9 miles)

Lowest 9 January, 2021

Average 2021

Highest 24 April, 2021

Lowest 10 April, 2021

Average April

Highest 24 April, 2021

Lowest 6 May, 2021

Average May

Highest 8 May, 2021

Climate (2011–Present)

Aldergrove (32.9 miles)

Average Low 2011–Present

Average 2011–Present

Average High 2011–Present