― WIND · CO. MAYO

Wind forecast Castlebar today

Now 20 km/h SW, gusts 38 km/h (12 mph, gusts 24 mph) at Castlebar (Caisleán an Bharraigh), Co. Mayo. That is Beaufort force 4, a moderate breeze, and the wind is steady over the next six hours. Modelled for Sun 13:45 Irish time.

Wind in Castlebar right now

WIND AT 10 M20 km/h12 mphfrom the SW (218°)
GUST AT 10 M38 km/h24 mphhighest short burst the model expects this hour
WIND AT 80 M35 km/h22 mphtypical turbine hub height range
WIND AT 120 M38 km/h24 mphupper rotor height

WINDIEST HOUR TODAY13:00: 22 km/h (14 mph) from the SW, gusting 43 km/h (27 mph).

NEAREST STATION OBSERVATIONKnock/Ireland West Airport (EIKN, 33 km away): 20 km/h (12 mph) from the SSW. Measured at 13:30, 25 minutes old when this page was built.

Meteogram and wind rose for Castlebar

Meteogram Castlebar
CHART LOADINGmeteogramReading Castlebar…

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

Wind rose Castlebar
CHART LOADINGwind_roseReading Castlebar…

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

Next 48 hours, hour by hour

Mean wind through the next 48 hours runs between 0 and 22 km/h (0 to 14 mph), mostly from the SW. The strongest gust is 43 km/h (27 mph) at Sun 13:00. 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 SW2214 mph4327 mph3824 mph
Sun 14:00 SW1912 mph3622 mph3321 mph
Sun 15:00 SSW1811 mph3522 mph3421 mph
Sun 16:00 SW1811 mph3522 mph3321 mph
Sun 17:00 SW1711 mph3421 mph3119 mph
Sun 18:00 SW1711 mph3421 mph3119 mph
Sun 19:00 SW1711 mph3220 mph3119 mph
Sun 20:00 SW1711 mph3321 mph3119 mph
Sun 21:00 SW1912 mph3622 mph3321 mph
Sun 22:00 SW2214 mph4226 mph3824 mph
Sun 23:00 SW1711 mph3321 mph3220 mph
Mon 00:00 SW149 mph2817 mph2817 mph
Mon 01:00 SW149 mph2717 mph2717 mph
Mon 02:00 SSW1711 mph3220 mph3019 mph
Mon 03:00 SW159 mph2918 mph2817 mph
Mon 04:00 WSW2113 mph4025 mph3824 mph
Mon 05:00 SW1811 mph3522 mph3421 mph
Mon 06:00 WSW1912 mph3622 mph3522 mph
Mon 07:00 WSW1711 mph3321 mph3321 mph
Mon 08:00 WSW1711 mph3220 mph3119 mph
Mon 09:00 WSW138 mph2516 mph2516 mph
Mon 10:00 WSW1711 mph3220 mph3119 mph
Mon 11:00 WSW1912 mph3723 mph3421 mph
Mon 12:00 WSW1912 mph3622 mph3321 mph
Mon 13:00 WSW1811 mph3522 mph3220 mph
Mon 14:00 WSW1610 mph3019 mph2817 mph
Mon 15:00 WSW149 mph2616 mph2516 mph
Mon 16:00 WNW96 mph1811 mph1610 mph
Mon 17:00 WNW64 mph127 mph117 mph
Mon 18:00 W74 mph149 mph117 mph
Mon 19:00 NW74 mph138 mph127 mph
Mon 20:00 NNW74 mph149 mph149 mph
Mon 21:00 NW53 mph106 mph127 mph
Mon 22:00 NW74 mph127 mph117 mph
Mon 23:00 NW53 mph106 mph106 mph
Tue 00:00 NW53 mph106 mph96 mph
Tue 01:00 NNW74 mph138 mph117 mph
Tue 02:00 WNW42 mph74 mph74 mph
Tue 03:00 WNW85 mph149 mph138 mph
Tue 04:00 WSW21 mph53 mph42 mph
Tue 05:00 WSW32 mph64 mph42 mph
Tue 06:00 WSW53 mph96 mph85 mph
Tue 07:00 W74 mph127 mph127 mph
Tue 08:00 WNW42 mph85 mph117 mph
Tue 09:00 SSW00 mph21 mph42 mph
Tue 10:00 W42 mph85 mph64 mph
Tue 11:00 NW64 mph149 mph138 mph
Tue 12:00 NW85 mph1811 mph159 mph

Seven-day gust outlook

The windiest day of the week is Fri 9/10 with gusts to 51 km/h (32 mph). The calmest is Tue 6/10, gusts to 25 km/h (16 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 4/104327 mph2214 mph SW
Mon 5/104025 mph2113 mph WSW
Tue 6/102516 mph138 mph WNW
Wed 7/104125 mph2314 mph WNW
Thu 8/104327 mph2415 mph S
Fri 9/105132 mph2918 mph W
Sat 10/104528 mph2516 mph W

What the wind does in Castlebar

Castlebar, or Caisleán an Bharraigh, is situated in County Mayo, approximately 17 km inland. The prevailing wind across Ireland is from the west or southwest, driven by Atlantic weather systems. Wind speeds generally decrease inland from the coast. In County Mayo, coastal mean 10 m wind is roughly 6.5-8.5 m/s, falling to about 5-7 m/s a few km inland. Gusts, which are short, sharp increases in wind speed, will typically exceed the mean wind speed. The Wind Agent provides current wind speeds, a 48-hour table, and 7-day gust forecasts for Castlebar. These numbers reflect the wind at a standard height of 10 metres above open ground, which is relevant for many ground-level activities.

Seasonal pattern

County Mayo experiences its strongest and gustiest winds from November to February, associated with Atlantic depressions. Wind speeds are generally lightest from June to August. During summer afternoons, a sea breeze can develop along the coast, though its influence diminishes significantly 17 km inland in Castlebar. While the county's dominant wind direction is SW, local topography around Castlebar will influence the precise direction and speed experienced at different locations. Coastal stations and offshore buoys in County Mayo often show changes in wind conditions several hours before inland locations, providing an early indication of approaching weather fronts.

Exposure and shelter

Castlebar is an inland town, 17 km from the coast, meaning it is less directly exposed to the full force of Atlantic winds compared to coastal areas of County Mayo. The general principle is that wind speeds are higher over open ground and decrease in the lee of obstructions. Buildings and local terrain can provide shelter, reducing wind speeds, or in some cases, channel the wind, leading to localised increases. For example, wind can be funnelled between structures or through valleys. The wind experienced in Castlebar will be influenced by its specific location within the town, with more exposed areas experiencing higher speeds than sheltered spots.

Local uses of the wind forecast

Farmers in County Mayo, including around Castlebar, use wind forecasts for planning activities such as spraying, silage making, and managing livestock. Strong winds can affect building and roofing, making wind data relevant for construction. For local sports, such as those played on GAA pitches, wind speed and direction are important for player comfort and game dynamics. Tourism, a significant sector in County Mayo, is also influenced by wind conditions, particularly for outdoor activities. The aviation sector, supported by Knock Airport, relies on precise wind information. Understanding local wind patterns can also be relevant for the wind energy sector in the county.

Near Castlebar

Castlebar is in Co. Mayo, one of 13 towns we publish for the county. The nearest observing stations are Newport (19 km), Claremorris (26 km) and Knock Airport (32 km). The closest wind farm in our guide is Bellacorick Wind Farm, about 43 km away.

Nearest spots

Questions about wind in Castlebar

When is it generally windiest in Castlebar?

Based on county-level patterns for Mayo, the windiest period is typically from November to February, when Atlantic depressions are most active. The lightest winds are generally experienced from June to August.

Which wind direction brings the strongest gusts to Castlebar?

The strongest winds in Ireland generally come from the west or southwest, driven by Atlantic weather systems. While County Mayo's dominant wind is SW, local topography in Castlebar will influence specific gust directions.

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

The nearest observing stations to Castlebar are Newport (~19 km), Claremorris (~26 km), and Knock Airport (~32 km). These stations provide measured wind data that can give an indication of regional conditions.

Go deeper

Set your own limit and watch the odds at the live instrument for Castlebar, 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 13:52 Irish time. Your threshold, your procedure, your call.