― WIND · CO. DOWN · NORTHERN IRELAND

Wind forecast Castlewellan today

Now 18 km/h WSW, gusts 36 km/h (11 mph, gusts 22 mph) at Castlewellan (Caisleán Uidhilín), 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 Castlewellan right now

WIND AT 10 M18 km/h11 mphfrom the WSW (245°)
GUST AT 10 M36 km/h22 mphhighest short burst the model expects this hour
WIND AT 80 M32 km/h20 mphtypical turbine hub height range
WIND AT 120 M35 km/h22 mphupper rotor height

WINDIEST HOUR TODAY21:00: 23 km/h (14 mph) from the SW, gusting 48 km/h (30 mph).

NEAREST STATION OBSERVATION UNKNOWN: no airport or buoy within 90 km reported just now.

Meteogram and wind rose for Castlewellan

Meteogram Castlewellan
CHART LOADINGmeteogramReading Castlewellan…

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

Wind rose Castlewellan
CHART LOADINGwind_roseReading Castlewellan…

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

Next 48 hours, hour by hour

Mean wind through the next 48 hours runs between 5 and 27 km/h (3 to 17 mph), mostly from the WSW. The strongest gust is 54 km/h (34 mph) at Mon 02:00. 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 WSW2214 mph4327 mph3723 mph
Sun 14:00 WSW1811 mph3522 mph3119 mph
Sun 15:00 WSW1912 mph3824 mph3220 mph
Sun 16:00 SW2012 mph4025 mph3522 mph
Sun 17:00 SW2214 mph4427 mph3924 mph
Sun 18:00 WSW2214 mph4528 mph4025 mph
Sun 19:00 SW2012 mph4125 mph3723 mph
Sun 20:00 SW2214 mph4528 mph4025 mph
Sun 21:00 SW2314 mph4830 mph4125 mph
Sun 22:00 WSW2113 mph4327 mph3924 mph
Sun 23:00 SW2113 mph4327 mph3824 mph
Mon 00:00 WSW2113 mph4327 mph3824 mph
Mon 01:00 WSW2314 mph4629 mph4327 mph
Mon 02:00 WSW2717 mph5434 mph5031 mph
Mon 03:00 WSW2616 mph5333 mph4830 mph
Mon 04:00 WSW2314 mph4528 mph4125 mph
Mon 05:00 WSW2214 mph4528 mph4125 mph
Mon 06:00 WSW2113 mph4427 mph3924 mph
Mon 07:00 WSW1912 mph3924 mph3622 mph
Mon 08:00 WSW1711 mph3522 mph3220 mph
Mon 09:00 WSW1912 mph3924 mph3421 mph
Mon 10:00 WSW2616 mph5232 mph4427 mph
Mon 11:00 WSW2516 mph4930 mph4226 mph
Mon 12:00 WSW2516 mph5031 mph4327 mph
Mon 13:00 WSW2415 mph4830 mph4025 mph
Mon 14:00 WSW2415 mph4729 mph4125 mph
Mon 15:00 WSW2516 mph5031 mph4327 mph
Mon 16:00 WSW2012 mph4025 mph3522 mph
Mon 17:00 WSW1711 mph3421 mph2918 mph
Mon 18:00 W149 mph2817 mph2616 mph
Mon 19:00 WNW149 mph3019 mph2516 mph
Mon 20:00 W138 mph2616 mph2214 mph
Mon 21:00 W96 mph1811 mph1610 mph
Mon 22:00 W96 mph1912 mph1610 mph
Mon 23:00 W85 mph1711 mph149 mph
Tue 00:00 NW85 mph1711 mph149 mph
Tue 01:00 W74 mph149 mph117 mph
Tue 02:00 WNW53 mph117 mph85 mph
Tue 03:00 W53 mph106 mph85 mph
Tue 04:00 W96 mph1711 mph138 mph
Tue 05:00 WNW64 mph138 mph96 mph
Tue 06:00 W53 mph106 mph74 mph
Tue 07:00 W74 mph127 mph85 mph
Tue 08:00 W85 mph159 mph117 mph
Tue 09:00 W96 mph1912 mph149 mph
Tue 10:00 W127 mph2314 mph1711 mph
Tue 11:00 WNW117 mph2113 mph1711 mph
Tue 12:00 NW96 mph1811 mph1610 mph

Seven-day gust outlook

The windiest day of the week is Mon 5/10 with gusts to 54 km/h (34 mph). The calmest is Tue 6/10, gusts to 23 km/h (14 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 4/104830 mph2314 mph WSW
Mon 5/105434 mph2717 mph WSW
Tue 6/102314 mph127 mph WNW
Wed 7/104226 mph2314 mph WNW
Thu 8/103622 mph2113 mph W
Fri 9/105333 mph3019 mph WSW
Sat 10/105031 mph2817 mph W

What the wind does in Castlewellan

Castlewellan, or Caisleán Uidhilín, is situated inland in County Down. The wind patterns here are influenced by its position approximately 6 km from the coast. While coastal areas of County Down experience mean 10 m wind speeds roughly between 5.5-7.5 m/s, inland locations like Castlewellan typically see lower average speeds, around 4-5.5 m/s. Gusts will consistently exceed these mean wind speeds. The county's dominant wind direction is southwesterly. Strongest winds in the region generally occur during winter, arriving from southwesterly and north-westerly directions. Atlantic depressions frequently bring these strong winds across Ireland, and their effects are felt inland, though often moderated compared to direct coastal exposure.

Seasonal pattern

Across Ireland, wind patterns show a distinct seasonal variation, with winter months generally experiencing the strongest and most frequent winds. Castlewellan follows this trend, with southwesterly and north-westerly winds being most prominent and strongest during winter. Summer months typically see lighter winds. During summer afternoons, a sea breeze effect can occur in coastal areas, but its influence diminishes inland. While the county's coastal stations and offshore buoys provide early warning for approaching fronts, the inland location of Castlewellan means that the full impact of such fronts may arrive later and be somewhat attenuated compared to the immediate coastline.

Exposure and shelter

As an inland town, Castlewellan benefits from some shelter compared to the more exposed coastal areas of County Down. The county's wind climate notes mention that coastal mean 10 m wind is roughly 5.5-7.5 m/s, while inland it is around 4-5.5 m/s. Local topography, including hills or buildings, can create further shelter or, conversely, funnel wind, leading to localised increases in speed or gustiness. While the county notes identify gust hotspots elsewhere in the county, such as the Mourne passes and the Ards peninsula, these specific features are not near Castlewellan. The general principle remains that wind speeds can vary significantly over short distances due to terrain.

Local uses of the wind forecast

Accurate wind information is valuable for several activities in Castlewellan and the surrounding area. For the agri-food sector, farming operations such as spraying and silage timing are highly dependent on suitable wind conditions. Building and roofing work also requires consideration of wind, particularly for working at height and securing materials. For those engaging in walking, understanding wind speed and direction is important for comfort and planning. Although Castlewellan is inland, the nearby Murlough Beach and Royal County Down golf course are within approximately 6 km, where wind conditions will be a factor for beach users and golfers. The tourism sector generally benefits from wind awareness for visitor planning.

Near Castlewellan

Castlewellan 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) (40 km), Belfast International Airport EGAA (METAR) (48 km) and Ballyhaise (92 km). The closest wind farm in our guide is Altahullion Wind Farm, about 97 km away.

Nearest spots

Questions about wind in Castlewellan

When is Castlewellan typically windiest?

Castlewellan, like much of Ireland, experiences its strongest and most frequent winds during the winter months. These winds predominantly arrive from southwesterly and north-westerly directions, driven by Atlantic depressions. Summer generally brings lighter winds, though local effects can still occur.

Which wind direction brings the strongest gusts to Castlewellan?

Based on the county's dominant wind patterns, southwesterly and north-westerly directions are generally associated with the strongest winds and gusts in County Down, particularly during winter. While local topography can influence wind direction and strength in specific locations, these broad patterns apply to Castlewellan.

Where can I find the nearest official wind measurements for Castlewellan?

The nearest official observing stations providing wind measurements are George Best Belfast City Airport (METAR) approximately 40 km away, and Belfast International Airport (METAR) approximately 48 km away. These stations can offer an indication of regional wind conditions, though local variations will occur.

Go deeper

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

Measurement · how the environment affects wind dataSiting and exposure: why location changes the readingWind measurements are highly sensitive to their immediate surroundings. Obstacles, terrain, and proximity to the coast all influence observed wind speeds and directions, making careful siting crucial for representative data. The instrument accounts for these factors in its data presentation.Read Fundamentals · where the ground meets the windFriction and the atmospheric boundary layerThe atmospheric boundary layer is the lowest part of the atmosphere, directly influenced by the Earth's surface. Within this layer, friction slows and turns the wind, creating shear and turbulence that are critical for surface operations.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 13:53 Irish time. Your threshold, your procedure, your call.