― WIND · CO. DOWN · NORTHERN IRELAND

Wind forecast Killyleagh today

Now 19 km/h SW, gusts 35 km/h (12 mph, gusts 22 mph) at Killyleagh (Cill Ó Laoch), Co. Down. That is Beaufort force 3, a gentle breeze, and the wind is steady over the next six hours. Modelled for Sun 13:45 Irish time.

Wind in Killyleagh right now

WIND AT 10 M19 km/h12 mphfrom the SW (229°)
GUST AT 10 M35 km/h22 mphhighest short burst the model expects this hour
WIND AT 80 M32 km/h20 mphtypical turbine hub height range
WIND AT 120 M34 km/h21 mphupper rotor height

WINDIEST HOUR TODAY08:00: 21 km/h (13 mph) from the S, gusting 39 km/h (24 mph).

NEAREST STATION OBSERVATIONBelfast/Harbour Airport (EGAC, 28 km away): 24 km/h (15 mph) from the SW. Measured at 13:50, 4 minutes old when this page was built.

Meteogram and wind rose for Killyleagh

Meteogram Killyleagh
CHART LOADINGmeteogramReading Killyleagh…

The next days at Killyleagh: speed, gust and direction.

Wind rose Killyleagh
CHART LOADINGwind_roseReading Killyleagh…

How often the wind blows from each direction at Killyleagh, from reanalysis.

Next 48 hours, hour by hour

Mean wind through the next 48 hours runs between 2 and 25 km/h (1 to 16 mph), mostly from the SW. The strongest gust is 46 km/h (29 mph) at Mon 12:00. Speeds are in km/h with miles per hour underneath. Direction is where the wind comes from.

TimeFromWind km/hGust km/h80 m km/h
Sun 13:00 SW1811 mph3421 mph3119 mph
Sun 14:00 SW1912 mph3522 mph3220 mph
Sun 15:00 SW1811 mph3321 mph2918 mph
Sun 16:00 SSW1912 mph3522 mph3220 mph
Sun 17:00 SW1711 mph3220 mph2918 mph
Sun 18:00 SW1610 mph3119 mph3019 mph
Sun 19:00 SW1811 mph3522 mph3321 mph
Sun 20:00 SW1711 mph3220 mph3220 mph
Sun 21:00 SW1811 mph3522 mph3421 mph
Sun 22:00 SW1711 mph3220 mph3119 mph
Sun 23:00 SW149 mph2616 mph2616 mph
Mon 00:00 SW159 mph2717 mph2817 mph
Mon 01:00 SW1811 mph3321 mph3321 mph
Mon 02:00 SW1711 mph3119 mph3220 mph
Mon 03:00 SW1610 mph3019 mph3119 mph
Mon 04:00 SW1610 mph2918 mph2918 mph
Mon 05:00 SW1610 mph3019 mph3119 mph
Mon 06:00 SW1610 mph3019 mph3119 mph
Mon 07:00 SW1711 mph3119 mph3321 mph
Mon 08:00 SW1610 mph3019 mph3019 mph
Mon 09:00 WSW1610 mph3019 mph3019 mph
Mon 10:00 SW1811 mph3321 mph3019 mph
Mon 11:00 WSW2516 mph4427 mph4025 mph
Mon 12:00 WSW2516 mph4629 mph4025 mph
Mon 13:00 WSW2113 mph3924 mph3522 mph
Mon 14:00 WSW2214 mph4025 mph3622 mph
Mon 15:00 WSW1811 mph3421 mph3119 mph
Mon 16:00 WSW149 mph2516 mph2314 mph
Mon 17:00 WSW1711 mph3019 mph2918 mph
Mon 18:00 WSW106 mph1912 mph2012 mph
Mon 19:00 WNW138 mph2516 mph2415 mph
Mon 20:00 WNW106 mph1912 mph1912 mph
Mon 21:00 NE42 mph96 mph64 mph
Mon 22:00 NNW74 mph138 mph127 mph
Mon 23:00 NW74 mph149 mph159 mph
Tue 00:00 NW85 mph159 mph159 mph
Tue 01:00 WNW85 mph1610 mph159 mph
Tue 02:00 NW85 mph1610 mph138 mph
Tue 03:00 WNW74 mph138 mph138 mph
Tue 04:00 NNW85 mph1610 mph149 mph
Tue 05:00 NW53 mph96 mph106 mph
Tue 06:00 NW74 mph149 mph138 mph
Tue 07:00 WNW21 mph42 mph53 mph
Tue 08:00 W74 mph127 mph106 mph
Tue 09:00 WNW85 mph1610 mph149 mph
Tue 10:00 WNW106 mph1912 mph1711 mph
Tue 11:00 NW106 mph1811 mph1811 mph
Tue 12:00 NW85 mph1610 mph1811 mph

Seven-day gust outlook

The windiest day of the week is Sat 10/10 with gusts to 50 km/h (31 mph). The calmest is Tue 6/10, gusts to 19 km/h (12 mph). Later days are less certain than the first two: the further out, the more the models can disagree.

DayMax gust km/hMax wind km/hMostly from
Sun 4/103924 mph2113 mph SSW
Mon 5/104629 mph2516 mph WSW
Tue 6/101912 mph106 mph NW
Wed 7/103723 mph2314 mph WNW
Thu 8/103924 mph2616 mph W
Fri 9/104629 mph2817 mph WSW
Sat 10/105031 mph3019 mph W

What the wind does in Killyleagh

Killyleagh, or Cill Ó Laoch, is a coastal town in County Down, Ulster, with a population between 2,000 and 5,000. Located directly on the coast, its wind patterns are influenced by its proximity to the Irish Sea and the North Channel. County Down experiences a mean coastal wind speed of approximately 5.5-7.5 m/s at 10 m height, with inland areas seeing around 4-5.5 m/s. Wind speeds generally increase with height, so wind at 80 m or 120 m will be stronger than at 10 m. Gusts, which are sudden, brief increases in wind speed, will always exceed the mean wind speed. The strongest winds in the county typically occur during winter, driven by southwesterly and north-westerly systems.

Seasonal pattern

The seasonal wind pattern in Killyleagh generally follows that of County Down. Winter months typically bring the strongest winds, predominantly from the southwest and northwest, associated with Atlantic depressions. These systems can lead to sustained strong winds and significant gusts. During summer, wind speeds are generally lower. On warm, sunny days, a sea breeze may develop in the afternoon, bringing cooler air from the sea onto the land. This local effect can temporarily alter the prevailing wind direction and speed near the coast. Spring and autumn are transitional periods, with variable wind conditions that can range from calm to strong, depending on the passage of weather fronts.

Exposure and shelter

Killyleagh's coastal location means it is exposed to winds from the Irish Sea and the North Channel. The degree of exposure can vary depending on the wind direction and local topography. While the town is coastal, the presence of Strangford Lough may offer some degree of shelter from certain directions, though this depends on the specific wind vector. Elsewhere in County Down, areas like the Ards peninsula and the Mournes are noted for strong funnelled easterly and westerly gusts. Buildings and terrain can create localised shelter or funnelling effects. Wind chill is a significant factor in colder, windier conditions, making the air feel considerably colder than the actual temperature.

Local uses of the wind forecast

Accurate wind information is valuable for several sectors in and around Killyleagh. For the agri-food sector, farming operations such as spraying and silage timing are highly dependent on wind speed and direction. The fishing industry and those involved in sailing and marine leisure rely on wind forecasts for operational planning and safety. Building and roofing work requires knowledge of wind conditions for structural integrity and worker safety. For general outdoor activities like walking, understanding wind speed and direction helps in planning routes and preparing for wind chill. Coastal stations and offshore buoys in County Down can provide early warnings for approaching fronts, often leading interior locations by several hours.

Near Killyleagh

Killyleagh is in Co. Down, one of 37 towns we publish for the county. The nearest observing stations are George Best Belfast City Airport EGAC (METAR) (28 km), Belfast International Airport EGAA (METAR) (46 km) and Dublin Airport (115 km). The closest wind farm in our guide is Altahullion Wind Farm, about 100 km away.

Nearest spots

Questions about wind in Killyleagh

When is Killyleagh typically windiest?

Killyleagh, like much of County Down, generally experiences its strongest winds during the winter months, driven by southwesterly and north-westerly weather systems. Summer typically sees lighter winds, with the occasional sea breeze.

Which wind direction brings the strongest gusts to Killyleagh?

County Down generally experiences the strongest winds from southwesterly and north-westerly directions. Elsewhere in the county, strong funnelled easterlies and westerly gusts can occur, but specific local effects in Killyleagh depend on its exact orientation.

How can I get the nearest measured wind data for Killyleagh?

The nearest observing stations that provide measured wind data are George Best Belfast City Airport (EGAC), approximately 28 km away, and Belfast International Airport (EGAA), about 46 km away. Dublin Airport is also an option at 115 km.

Go deeper

Set your own limit and watch the odds at the live instrument for Killyleagh, or read how the numbers above are made.

Coast, sea & terrain · a local phenomenonSea breeze: the coastal wind that appears from nowhereThe sea breeze is a local wind system driven by differential heating between land and sea. It can significantly alter the local wind field, often appearing as a fresh, cool wind on otherwise calm, sunny days.Read Coast, sea & terrain · how topography shapes windHeadlands and funnelling: local wind effects near complex terrainWind flow around coastal headlands and through narrow channels can accelerate significantly, often exceeding speeds forecast for open water. This article explains the physical mechanisms and practical implications of these localised effects, which are frequently missed by numerical weather models.Read Fundamentals · the physics behind every numberHow wind works: pressure, rotation, friction and heightWind is air moving from high to low pressure, bent by the Earth's rotation, slowed and roughened by the ground, and different at every height. Each of those four facts shows up in the numbers you read on the instrument.Read Reading our instruments · the ratio of gust to mean windGust factor: how much stronger are the gusts?The gust factor quantifies the relationship between the peak wind speed (gust) and the average wind speed (mean). It is a critical metric for understanding the true forces acting on structures and equipment, as gusts often dictate operational limits and safety margins. This article explores its typical ranges,…Read Forecasting & models · understanding the hourly traceReading a meteogram: your hourly forecast at a glanceA meteogram displays an hourly forecast of key weather parameters for a specific location, typically including wind speed, gust, direction, pressure, and precipitation. Understanding its components allows for a quick assessment of upcoming conditions and potential changes.Read

Forecast: modelled wind from Open-Meteo (CC BY 4.0, underlying ICON, GFS and ECMWF model data), not a measurement at a site. Observation: airport METAR or buoy via aviationweather.gov and NDBC where one reports within 90 km. Heights are metres above ground. Missing values are UNKNOWN and never filled with zero. Last built 13:54 Irish time. Your threshold, your procedure, your call.