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Last updated: 20:00, 5 Oct 2026
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Totnes stands on a hill above the tidal reach of the River Dart in south Devon, with the steep High Street climbing from the quay past the old castle and Dartmoor's southern edge rising inland to the west. A Totnes rain radar gives the answer directly: hyperlocal radar shows the shower's current position rather than an averaged chance of rain.
Rain reaching Totnes comes up from the sea at Dartmouth and off Dartmoor to the west, and the river responds to both at once, so the quay can see the Dart rise from rain that fell on the moor with no rain falling over the town itself. A shower crossing from the coast often reaches the quay before it climbs the hill to the High Street. Atlantic weather systems make landfall in Devon and Cornwall first, arriving with their full moisture load still intact. Dartmoor and Bodmin Moor push that air upward, and orographic lift turns it into heavy rain over the moors, while stretches of the coast see only a light band pass through, leaving those areas drier than the high ground inland.
The radar map covering Totnes, England, draws directly on Met Office data, refreshed about every 5 minutes as new scans arrive. The live map shows whether a shower is still out over the coast or already climbing the hill to the High Street, the kind of hyperlocal detail a forecast for Totnes cannot give.
Atlantic storms bring heavy rain to Dartmoor upstream, and the tidal Dart at the quay can rise fast even when Totnes itself has seen only moderate rain. Atlantic storms reach the peninsula before anywhere else, and named storms bring heavy rain and gales to the coastline. Flooding hits river-valley roads and moorland lanes quickly, and ferries and harbour work feel the effects first.
Showers come in fast off the sea between the last winter fronts and the first settled spells. Forecasts miss the timing because the cells are small, and coastal walks and moorland routes are the plans most often caught out. Showers cross from the coast quickly in spring, and market days and quayside walks are often cut short.
Rain grows lighter and less frequent, though warm afternoons can still build sea-breeze storms over the moors. Holiday traffic, beach days and harbour events all rely on short dry windows, with the radar picking up a storm cell before it reaches the coast. Summer showers are short, and the Elizabethan market and the quayside path depend on gaps between them.
The tidal River Dart at the quay can rise after heavy rain on Dartmoor upstream, even when no rain has fallen over Totnes itself. Check the radar for rain over the moor before setting out.
Totnes's steep High Street market has little shelter, and a shower coming up from the coast can arrive before it is visible from the top of the hill. Check the radar before heading down to the stalls.
The A381 and the walk to Totnes railway station both carry traffic and passengers toward Dartmouth and Newton Abbot, and standing water builds fast in heavy rain. The radar shows whether now is the moment to leave or wait it out.
Visitors to the Dartington estate just outside Totnes can see whether a shower building over Dartmoor to the west will reach the grounds before it clears.
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 Totnes the map also covers Dartmouth, Newton Abbot and Plymouth.
The steep High Street market has little shelter, and a shower coming up from the coast at Dartmouth can reach the quay and climb the hill with almost no warning. Traders and shoppers both watch the radar rather than the forecast. RainViewer shows whether the shower is still out over the coast or already at the quay.
Yes, the A381 near Totnes slows in heavy rain, and spray builds where the road follows the Dart valley toward Dartmouth. Look at the radar before merging onto the road. The map shows whether the cell is still ahead or has already cleared.
Yes, the tidal River Dart at the quay can rise after heavy rain on Dartmoor upstream, sometimes even when Totnes itself has seen little rain. The steep High Street above the quay is rarely affected. The radar shows whether more rain is falling on the moor.
May to August is the best window to visit Totnes, when the quay and the High Street market are at their most pleasant. Spring can still bring quick showers off the coast. Open the radar over breakfast and fit the outdoor plans around it.
The tidal Dart at the quay can rise from rain falling on Dartmoor with none falling locally, while a separate shower from the coast can reach the quay before it climbs to the top of the High Street. Live radar shows the edge of each cell, so checking the quay and the top of the High Street separately shows which side of the line you are on.
The rain shown on the Totnes radar map reflects the latest Met Office scan, which lands roughly every 5 minutes rather than on a fixed forecast schedule. C-band radar from the Met Office monitors the far south-west, with dual-polarization data separating rain from hail on the coast, where conditions are most exposed. That currency is what makes the hyperlocal picture worth checking before heading out.
Set a rain alert on the quay or the High Street and RainViewer's hyperlocal radar warns you before rain reaches that spot. That lets you time a walk or a market visit. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Dartmoor and Dartmouth.
A walk along the quay and a visit to the High Street market both depend on a dry gap, and RainViewer shows the next one.
Rain in Totnes arrives off the Atlantic in quick bands, and the gap between two of them is the useful part.
Your phone forecast says showers in Totnes this evening. RainViewer's live, street level radar shows the cell still out over the coast with the High Street still dry, which decides whether the walk starts now.
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Two hours of 5-minute steps let you time the walk along the quay to the minute.
Put an alert on the railway station. RainViewer warns you minutes ahead, which settles whether to leave for the platform now or wait.
Rain reaches Totnes most often from the south-west, straight off the Atlantic, so the arrows tell you at a glance whether a cell is heading your way.
The 48-hour history shows what fell on Dartmoor above Totnes, which is the fastest way to judge ground conditions.
Save the railway station, the quay and the High Street and check all three in one look.