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Last updated: 20:00, 5 Oct 2026
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Limavady sits on the River Roe in County Londonderry, with the Roe Valley Country Park just south of town and the basalt cliffs of Binevenagh rising to the north on the way to the coast. Atlantic rain reaches here first, and the Roe carries the runoff from the Sperrins down through the park. For that reason a Limavady rain radar is more useful here than a daily summary, because hyperlocal radar follows each shower across the map.
Binevenagh and the Sperrin foothills lift Atlantic showers before they reach Limavady, so the high ground can be in cloud and rain while the Roe Valley park downstream stays dry for a spell. Rain arrives from the west across the Atlantic and the Irish Sea, and it meets high ground on every side of the main towns. Orographic lift over the Antrim Hills and the Sperrins turns light rain into heavy rain, while sheltered valleys in the lee of the hills can stay drier.
RainViewer tracks Limavady, Northern Ireland, using Met Office radar scans that refresh roughly every 5 minutes, so the picture stays current. The live map shows whether a shower is still over Binevenagh or already following the Roe Valley down toward the town, which a forecast for Limavady cannot tell you.
Named storms and repeated Atlantic fronts raise the Roe quickly, and the footbridges and paths in the Country Park are the first to be affected. Named storms and repeated fronts bring rain and wind, and rivers and loughs rise on saturated ground. Coastal roads, ferry routes and low-lying streets are affected first.
From February to April, weather swings quickly between showers, hail and sleet, and forecasting struggles because the individual cells are small and move fast. Anyone out on a hill walk or playing spring sport is the most likely to be caught out by a sudden change. Spring showers cross the Sperrin foothills fast, and walkers in the Roe Valley Country Park are the ones most often caught out.
Between May and August rain becomes less frequent overall, but the province still sees Atlantic showers passing through, and inland areas can develop thunderstorms on warm afternoons. Anything planned outdoors, from festivals to coastal drives, works around the short breaks in the weather. Summer brings lighter rain, but the walking trails along the Roe and the drive up to Binevenagh still depend on short dry windows.
The riverside paths and old weir walkways in the park follow the Roe closely and have little cover. Checking the radar before setting out shows whether the walk will stay dry.
The mountain road up to the Binevenagh viewpoint climbs into open, exposed ground where cloud and rain arrive with little warning. Watching the cell's track shows whether the drive up is worth it right now.
The A2 between Limavady and Derry runs close to Lough Foyle and can see standing water in heavy rain. Checking the radar before setting off shows whether to leave now or wait.
The Roe is a well known salmon and trout river, and anglers along the bank get little warning of a shower moving in from the hills. A look at the radar first shows whether the session will stay dry.
RainViewer shows UK precipitation using data from the Met Office, the national weather service, which runs a network of C-band dual-polarization weather radars. The Met Office network also feeds the European OPERA composite, and the RainViewer map refreshes with each new scan, about every 5 minutes. From Limavady the map also covers Derry, Coleraine and Dungiven.
The park's paths, footbridges and old weir walkways sit close to the river, and heavy rain on the Sperrin foothills can raise the Roe and make the lower paths slippery within the hour. Walkers and anglers both watch the level closely after a wet spell. RainViewer shows the rain crossing the hills above the valley.
Yes, heavy rain slows the A2 between Limavady and Derry along Lough Foyle, and standing water can build on the lower stretches near the shore. A quick look at the map helps before joining the road. RainViewer shows the cell's position, whether that is still coming or already through.
Yes, the River Roe can rise quickly through Limavady and the Country Park after heavy rain on the Sperrins, and low paths near the river are the first to be affected. The town centre on higher ground is less exposed. The radar shows whether more rain is falling upstream.
May to August is the best window to visit Limavady, with the Roe Valley Country Park and the Binevenagh viewpoint at their best. Showers off the Atlantic can still arrive quickly in any month. Check the radar in the morning and plan the walk around the dry gap.
Binevenagh rises steeply above the coast road and catches Atlantic showers first, so the viewpoint can be in cloud and rain while the sheltered Roe Valley park downstream stays dry for a while longer. RainViewer draws each shower where it actually is, which is why a look at Binevenagh and the high road and the Roe Valley Country Park can give different answers.
The short-range forecast for Limavady covers the next two hours in 5-minute steps, built from the same Met Office radar the live map uses. Radar coverage over Northern Ireland comes from the Met Office network, using dual-polarization to tell rain apart from hail and sleet as it falls across the hills and coasts. That hyperlocal nowcast is far tighter than a general daily outlook.
Set a rain alert on the Country Park or Binevenagh and RainViewer warns you before rain arrives. That lets you time a riverside walk or a drive up to the viewpoint. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Dungiven and Coleraine together.
A walk in the Roe Valley Country Park and the drive up to Binevenagh both depend on a dry gap, and RainViewer shows the next one.
Showers come in off the Atlantic in quick succession, so timing shifts faster than a forecast updates.
The forecast says showers in Limavady this afternoon. RainViewer's live hyperlocal radar shows the cell still over Binevenagh with the Roe Valley park still dry, which decides whether the walk starts now.
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Slice the next two hours into 5-minute steps and pick the gap for the walk in the Roe Valley Country Park.
An alert on Binevenagh viewpoint arrives while the rain is still on its way, and that decides whether to make the climb now or wait for the cloud to lift.
In Limavady the wet weather tends to come from the west and south-west, off the Atlantic, and the arrows show the track of every shower.
Scroll back over the Sperrin foothills above the Roe to see what actually fell overnight.
Track Roe Valley Country Park, Binevenagh and Dungiven together and compare which one is dry.