― WIND · CO. LAOIS

Wind forecast Portarlington today

Now 18 km/h SW, gusts 34 km/h (11 mph, gusts 21 mph) at Portarlington (Cúil an tSúdaire), Co. Laois. 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 Portarlington right now

WIND AT 10 M18 km/h11 mphfrom the SW (216°)
GUST AT 10 M34 km/h21 mphhighest short burst the model expects this hour
WIND AT 80 M29 km/h18 mphtypical turbine hub height range
WIND AT 120 M31 km/h19 mphupper rotor height

WINDIEST HOUR TODAY13:00: 18 km/h (11 mph) from the SW, gusting 34 km/h (21 mph).

NEAREST STATION OBSERVATIONCasement Airport (EIME, 52 km away): 22 km/h (14 mph) from the SW. Measured at 13:00, 59 minutes old when this page was built.

Meteogram and wind rose for Portarlington

Meteogram Portarlington
CHART LOADINGmeteogramReading Portarlington…

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

Wind rose Portarlington
CHART LOADINGwind_roseReading Portarlington…

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

Next 48 hours, hour by hour

Mean wind through the next 48 hours runs between 8 and 24 km/h (5 to 15 mph), mostly from the SW. The strongest gust is 45 km/h (28 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 mph2918 mph
Sun 14:00 SW1811 mph3321 mph2918 mph
Sun 15:00 SW1610 mph2918 mph2717 mph
Sun 16:00 SW1711 mph3220 mph2918 mph
Sun 17:00 SW1711 mph3220 mph2918 mph
Sun 18:00 SW159 mph2817 mph2717 mph
Sun 19:00 SW159 mph2817 mph2817 mph
Sun 20:00 SW1711 mph3321 mph3321 mph
Sun 21:00 SW1711 mph3321 mph3220 mph
Sun 22:00 SW1811 mph3421 mph3321 mph
Sun 23:00 SW1711 mph3220 mph3220 mph
Mon 00:00 SW1711 mph3220 mph3220 mph
Mon 01:00 SW1711 mph3220 mph3220 mph
Mon 02:00 SW1711 mph3220 mph3119 mph
Mon 03:00 SW1811 mph3321 mph3321 mph
Mon 04:00 SW1711 mph3220 mph3119 mph
Mon 05:00 SW1711 mph3220 mph3220 mph
Mon 06:00 SW1610 mph3019 mph3019 mph
Mon 07:00 SSW1711 mph3220 mph3220 mph
Mon 08:00 SW159 mph2817 mph2817 mph
Mon 09:00 SW1610 mph2918 mph2918 mph
Mon 10:00 SW159 mph2717 mph2616 mph
Mon 11:00 WSW1711 mph3119 mph2918 mph
Mon 12:00 WSW2415 mph4528 mph4025 mph
Mon 13:00 WSW2314 mph4427 mph3924 mph
Mon 14:00 WSW2214 mph4125 mph3622 mph
Mon 15:00 WSW1811 mph3522 mph3119 mph
Mon 16:00 W159 mph2817 mph2616 mph
Mon 17:00 W1610 mph2918 mph2616 mph
Mon 18:00 WSW1610 mph2918 mph2717 mph
Mon 19:00 WSW127 mph2314 mph2314 mph
Mon 20:00 SW106 mph1912 mph2214 mph
Mon 21:00 SW85 mph1610 mph1912 mph
Mon 22:00 SW85 mph159 mph1711 mph
Mon 23:00 SW96 mph1811 mph1912 mph
Tue 00:00 SW106 mph1811 mph2012 mph
Tue 01:00 SW106 mph1912 mph2012 mph
Tue 02:00 SW106 mph2012 mph2113 mph
Tue 03:00 N96 mph1811 mph127 mph
Tue 04:00 NNE106 mph1912 mph1610 mph
Tue 05:00 NE117 mph2113 mph1811 mph
Tue 06:00 N149 mph2717 mph2415 mph
Tue 07:00 NNE138 mph2415 mph2314 mph
Tue 08:00 NNE106 mph2012 mph1811 mph
Tue 09:00 NNE106 mph1811 mph1711 mph
Tue 10:00 N127 mph2113 mph1912 mph
Tue 11:00 N117 mph2012 mph1711 mph
Tue 12:00 N117 mph2113 mph1711 mph

Seven-day gust outlook

The windiest day of the week is Fri 9/10 with gusts to 49 km/h (30 mph). The calmest is Tue 6/10, gusts to 27 km/h (17 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 4/103421 mph1811 mph SSW
Mon 5/104528 mph2415 mph SW
Tue 6/102717 mph149 mph N
Wed 7/103924 mph2113 mph NW
Thu 8/103119 mph1711 mph SW
Fri 9/104930 mph2717 mph WSW
Sat 10/104125 mph2214 mph W

What the wind does in Portarlington

Portarlington, or Cúil an tSúdaire, is situated in County Laois, an inland county approximately 68 km from the coast. Wind conditions here are typical of an inland location in Ireland, generally less exposed than coastal areas. The prevailing winds across Ireland are from the west and southwest, influenced by the Atlantic Ocean and its depressions. Gusts will always exceed the mean wind speed, and this difference can be more pronounced in open areas. County Laois experiences an approximate mean 10-metre wind speed of 3.5-5.5 m/s, with higher speeds possible on more exposed terrain elsewhere in the county. The nearest wind farm is Mountlucas Wind Farm, about 13 km away, which indicates the presence of suitable wind resources in the wider area for energy generation.

Seasonal pattern

The seasonal wind patterns in Portarlington reflect those of County Laois, with the calmest conditions generally occurring in summer and autumn. The windiest periods are typically observed in winter and early spring, as frontal systems from the Atlantic frequently cross the country. While the county as a whole is inland, the exposure can vary, with open plains and midland bog areas experiencing stronger winds. The impact of these seasonal variations on wind strength and direction is a factor in local activities and conditions throughout the year. The general trend of stronger winds in the cooler months is consistent with Ireland's temperate maritime climate.

Exposure and shelter

As an inland town, Portarlington's wind exposure is influenced by local topography and surrounding structures. While the county has open plains and midland bog, the immediate surroundings of the town will determine specific exposure. Buildings and other structures can provide shelter, reducing wind speeds at ground level in their lee. Conversely, open areas within and around the town will experience more direct wind flow. Unlike coastal locations, Portarlington does not experience sea breezes. The county's dominant wind direction is from the southwest. This means that features offering shelter to the southwest of the town may reduce wind impact, while areas open to this direction may experience higher wind speeds.

Local uses of the wind forecast

Wind forecasts are relevant for several sectors in and around Portarlington. For agriculture, which is a key sector in County Laois, wind speed and direction are important for activities such as spraying and silage timing. Strong winds can disrupt these operations. The festivals and events sector, including those at nearby Stradbally Hall and Ratheniska, benefits from wind information for planning outdoor setups and ensuring comfort. Manufacturing and logistics, also present in the county, may consider wind conditions for certain operations, particularly those involving outdoor work or transportation of goods. General activities like walking and sports on GAA pitches are also influenced by wind conditions, with stronger winds potentially affecting comfort and play.

Near Portarlington

Portarlington is in Co. Laois, one of 8 towns we publish for the county. The nearest observing stations are Oak Park (38 km), Mullingar (43 km) and Weston Airport EIWT (METAR) (51 km). The closest wind farm in our guide is Mountlucas Wind Farm, about 13 km away.

Nearest spots

Questions about wind in Portarlington

When is Portarlington typically windiest?

Portarlington, like the rest of County Laois, generally experiences its windiest conditions during winter and early spring, as Atlantic frontal systems are more frequent. Summer and autumn tend to be calmer.

Which wind direction brings the strongest gusts to Portarlington?

Ireland's prevailing winds are from the west and southwest. While local topography can influence specific gust directions, winds from the dominant southwest direction are often associated with stronger gusts across the county.

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

The nearest observing stations to Portarlington are Oak Park (~38 km), Mullingar (~43 km), and Weston Airport EIWT (METAR) (~51 km). These stations provide measured wind data, though conditions can vary locally.

Go deeper

Set your own limit and watch the odds at the live instrument for Portarlington, 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 13:57 Irish time. Your threshold, your procedure, your call.