Wind forecast Sion Mills today
Now 18 km/h SSW, gusts 34 km/h (11 mph, gusts 21 mph) at Sion Mills, Co. Tyrone. That is Beaufort force 3, a gentle breeze, and the wind is steady over the next six hours. Modelled for Sun 14:30 Irish time.
Wind in Sion Mills right now
WINDIEST HOUR TODAY12:00: 18 km/h (11 mph) from the SSW, gusting 34 km/h (21 mph).
NEAREST STATION OBSERVATIONDerry/City Airport (EGAE, 35 km away): 28 km/h (17 mph) from the SW. Measured at 14:20, 14 minutes old when this page was built.
Meteogram and wind rose for Sion Mills
The next days at Sion Mills: speed, gust and direction.
How often the wind blows from each direction at Sion Mills, from reanalysis.
Next 48 hours, hour by hour
Mean wind through the next 48 hours runs between 1 and 19 km/h (1 to 12 mph), mostly from the SSW. The strongest gust is 36 km/h (22 mph) at Mon 01:00. Speeds are in km/h with miles per hour underneath. Direction is where the wind comes from.
| Time | From | Wind km/h | Gust km/h | 80 m km/h |
|---|---|---|---|---|
| Sun 14:00 | SSW | 1811 mph | 3421 mph | 3119 mph |
| Sun 15:00 | SSW | 1811 mph | 3421 mph | 3119 mph |
| Sun 16:00 | SSW | 1811 mph | 3421 mph | 3220 mph |
| Sun 17:00 | SSW | 1610 mph | 3019 mph | 2918 mph |
| Sun 18:00 | SSW | 1711 mph | 3220 mph | 3119 mph |
| Sun 19:00 | SSW | 1711 mph | 3220 mph | 3019 mph |
| Sun 20:00 | SSW | 149 mph | 2817 mph | 2717 mph |
| Sun 21:00 | SSW | 149 mph | 2717 mph | 2616 mph |
| Sun 22:00 | SSW | 149 mph | 2717 mph | 2717 mph |
| Sun 23:00 | SSW | 149 mph | 2817 mph | 2717 mph |
| Mon 00:00 | SW | 1610 mph | 3119 mph | 3119 mph |
| Mon 01:00 | SW | 1912 mph | 3622 mph | 3421 mph |
| Mon 02:00 | SSW | 159 mph | 2918 mph | 2817 mph |
| Mon 03:00 | SSW | 138 mph | 2516 mph | 2516 mph |
| Mon 04:00 | SSW | 138 mph | 2516 mph | 2516 mph |
| Mon 05:00 | SW | 1711 mph | 3321 mph | 3220 mph |
| Mon 06:00 | SW | 96 mph | 1811 mph | 2113 mph |
| Mon 07:00 | WSW | 149 mph | 2717 mph | 2918 mph |
| Mon 08:00 | SW | 149 mph | 2817 mph | 2918 mph |
| Mon 09:00 | SW | 149 mph | 2717 mph | 2817 mph |
| Mon 10:00 | SW | 1610 mph | 3119 mph | 2918 mph |
| Mon 11:00 | SW | 1610 mph | 3019 mph | 2918 mph |
| Mon 12:00 | SW | 138 mph | 2516 mph | 2314 mph |
| Mon 13:00 | WSW | 1610 mph | 3119 mph | 3019 mph |
| Mon 14:00 | WSW | 1711 mph | 3119 mph | 2918 mph |
| Mon 15:00 | WNW | 127 mph | 2314 mph | 2113 mph |
| Mon 16:00 | NW | 127 mph | 2314 mph | 2012 mph |
| Mon 17:00 | WNW | 74 mph | 149 mph | 127 mph |
| Mon 18:00 | NW | 42 mph | 85 mph | 74 mph |
| Mon 19:00 | WNW | 53 mph | 106 mph | 117 mph |
| Mon 20:00 | W | 42 mph | 85 mph | 96 mph |
| Mon 21:00 | WNW | 42 mph | 96 mph | 117 mph |
| Mon 22:00 | WSW | 42 mph | 74 mph | 106 mph |
| Mon 23:00 | WNW | 74 mph | 138 mph | 149 mph |
| Tue 00:00 | W | 42 mph | 85 mph | 106 mph |
| Tue 01:00 | SSW | 32 mph | 74 mph | 96 mph |
| Tue 02:00 | SE | 21 mph | 42 mph | 42 mph |
| Tue 03:00 | S | 32 mph | 64 mph | 85 mph |
| Tue 04:00 | S | 42 mph | 85 mph | 96 mph |
| Tue 05:00 | SE | 32 mph | 74 mph | 42 mph |
| Tue 06:00 | SSW | 32 mph | 74 mph | 85 mph |
| Tue 07:00 | WSW | 21 mph | 53 mph | 85 mph |
| Tue 08:00 | SSE | 32 mph | 64 mph | 64 mph |
| Tue 09:00 | SSE | 32 mph | 64 mph | 42 mph |
| Tue 10:00 | SSW | 11 mph | 42 mph | 32 mph |
| Tue 11:00 | WNW | 32 mph | 85 mph | 53 mph |
| Tue 12:00 | NNW | 85 mph | 1610 mph | 127 mph |
| Tue 13:00 | NW | 85 mph | 1811 mph | 138 mph |
Seven-day gust outlook
The windiest day of the week is Fri 9/10 with gusts to 46 km/h (29 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.
| Day | Max gust km/h | Max wind km/h | Mostly from |
|---|---|---|---|
| Sun 4/10 | 3421 mph | 1811 mph | S |
| Mon 5/10 | 3622 mph | 1912 mph | WSW |
| Tue 6/10 | 2516 mph | 138 mph | WNW |
| Wed 7/10 | 4125 mph | 2113 mph | W |
| Thu 8/10 | 4528 mph | 2516 mph | SSW |
| Fri 9/10 | 4629 mph | 2516 mph | WSW |
| Sat 10/10 | 4629 mph | 2516 mph | W |
What the wind does in Sion Mills
Sion Mills is situated in County Tyrone, an inland county in Ulster. The wind patterns here are influenced by its distance from the coast, approximately 23 km. While not directly exposed to the Atlantic, the county experiences the effects of frontal systems crossing Ireland, particularly in winter and early spring. Mean wind speeds at 10 metres in County Tyrone are roughly 3.5 to 5.5 metres per second, with higher speeds expected on exposed hills elsewhere in the county. Gusts, which are sudden, brief increases in wind speed, will always exceed the mean wind speed and can be significantly stronger, especially in open areas. The prevailing wind direction across County Tyrone is from the south-west.
Seasonal pattern
The seasonal wind patterns in Sion Mills generally follow those of County Tyrone. The county experiences its calmest periods in summer and autumn. The windiest spells are typically observed in winter and early spring, when frontal systems associated with Atlantic depressions frequently cross Ireland. During these times, stronger winds and more significant gusts are common. While the county is inland, the general atmospheric conditions across Ireland mean that westerly winds are a dominant feature throughout the year. Localised effects can modify these patterns, but the broader seasonal trends are consistent with an inland location in Northern Ireland.
Exposure and shelter
Sion Mills is located in an inland part of County Tyrone, which means it is generally less exposed than coastal areas. The county's wind climate notes describe it as an inland county of Mid-Ulster. Terrain can significantly affect wind flow; hills and buildings can provide shelter on their lee side, reducing wind speeds. Conversely, wind can be funnelled and accelerated through gaps or between structures. While the Sperrin Mountains are in the north of the county, and there are open uplands and moorland elsewhere, the immediate exposure in Sion Mills will depend on its specific topography and local built environment. Gusts tend to be strongest in open bogland and on hills, as noted for the county.
Local uses of the wind forecast
Understanding wind patterns is important for several sectors in and around Sion Mills. For the agri-food sector and general farming activities, wind forecasts are crucial for planning tasks such as spraying and silage timing, as strong winds can affect application and drying. The manufacturing sector may also consider wind conditions for certain operations, particularly those involving outdoor work or material handling. Quarrying, another sector in the county, can be impacted by wind for dust management and operational safety. The growing wind energy sector, with Bessy Bell Wind Farm approximately 17 km away, relies heavily on accurate wind data for turbine operation and maintenance. Additionally, general outdoor activities like walking can be made more comfortable and safer with an awareness of wind strength and direction.
Near Sion Mills
Sion Mills is in Co. Tyrone, one of 13 towns we publish for the county. The nearest observing stations are City of Derry Airport EGAE (METAR) (35 km), Finner (59 km) and Donegal Airport EIDL (METAR) (62 km). The closest wind farm in our guide is Bessy Bell Wind Farm, about 17 km away.
Nearest spots
Questions about wind in Sion Mills
When is it windiest in Sion Mills?
Based on county-level patterns for Tyrone, Sion Mills is generally windiest in winter and early spring, when frontal systems from the Atlantic frequently cross Ireland. Summer and autumn tend to be calmer.
Which direction brings the strongest gusts to Sion Mills?
The dominant wind direction across County Tyrone is from the south-west. Strongest gusts are often associated with these prevailing winds, particularly during active weather systems, and can be influenced by local terrain.
How can I get the nearest wind measurement to Sion Mills?
The nearest observing stations providing measured wind data are City of Derry Airport (METAR) at approximately 35 km, and Finner at about 59 km. Donegal Airport (METAR) is also available at 62 km.
Go deeper
Set your own limit and watch the odds at the live instrument for Sion Mills, or read how the numbers above are made.
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 14:34 Irish time. Your threshold, your procedure, your call.