Is it raining now in Exeter?
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Last updated: 20:00, 5 Oct 2026
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Rain in Exeter: What You Need to Know
Exeter stands on the River Exe at the head of its estuary, with Haldon Hill to the south-west and the edge of Dartmoor to the west. Rain from the Atlantic reaches the city after crossing the hills, and the Exe carries runoff from a large area of upland down to the Quayside. That is where an Exeter rain radar helps most, since hyperlocal radar reads the live position of the rain instead of an area forecast.
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 hills west and south-west of Exeter lift the air and leave the Exe valley in their lee, so rain can be heavy on Haldon and Dartmoor while the city centre gets less, then the river rises later as the runoff arrives.
The live picture for Exeter, England, comes straight from Met Office radar, refreshed on the map about every 5 minutes. The live map shows whether a cell is over Dartmoor, crossing the Exe or already gone from the Quayside, which a forecast for Exeter cannot tell you.
Rain by Season in Exeter
Autumn and winter storm season (September to January)
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. The Exe rises fast after autumn and winter storms, and the Quayside and the Exe Bridges are the first places to feel it.
Transition months (February to April)
Spring showers and hail cross the valley, and market-day plans around the Cathedral Green are the first to change. 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.
Summer season (May to August)
Summer events on the Quayside and in Northernhay Gardens depend on the gaps between showers. 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.
Why You Need a Rain Radar in Exeter
Quayside walkers and riverside cyclists
The Exe towpath and the Quayside sit low beside the river. After heavy rain on the hills the water rises, so check the radar for rain over the catchment and decide whether to take the towpath.
Rail and M5 commuters
Exeter St David's station and the M5 at junctions 29 and 30 serve commuters from across Devon. Heavy rain slows both, so watch the cell and time the walk or the drive.
Students and visitors around the Cathedral Green
Students and visitors crossing the Cathedral Green and the High Street can wait for a shower to pass on the radar and cross in the gap.
Topsham and estuary day-trippers
The Exe estuary trail from Topsham is exposed to showers off the sea. See the next dry window and decide whether to head out on the train.
RainViewer Radar Coverage in Exeter
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 Exeter the map also covers Topsham, Exmouth and Crediton.
Exeter Rain Radar: Frequently Asked Questions
- How does rain affect the Exe in Exeter?
The River Exe rises quickly after heavy rain on Dartmoor and the Devon hills, and the Quayside and the Exe Bridges are the first parts of the city to feel it. Riverside walkers and cyclists watch the catchment as well as the sky. RainViewer shows rain over the upland.
- Does rain affect the M5 near Exeter?
Yes, heavy rain slows the M5 between junctions 29 and 30 and the roads into Exeter, and spray builds fast where the motorway crosses the Exe valley. Look at the radar before you join the road. RainViewer shows whether the cell is ahead of you.
- Does Exeter flood when it rains?
Yes, the Exe floods low ground near the Quayside and the lower parts of the city after prolonged rain, and roads near the Exe Bridges can close. The river peaks hours after rain falls on the hills. The radar shows the rain over the catchment.
- When is the best time to visit Exeter to avoid rain?
May to September is the best window to visit Exeter, with the Cathedral Green, the Quayside and Northernhay Gardens at their best. Showers are lighter in summer. Check the radar in the morning and plan the outdoor part of the day for the dry hour.
- Why can it rain on Dartmoor while the Cathedral stays dry around Exeter?
Dartmoor and Haldon Hill lift the air on the west side of the valley, so the high ground takes the heaviest rain while the Cathedral in the sheltered valley can stay dry until the band moves east. Live radar shows the edge of each cell, so checking Dartmoor and the Cathedral separately shows which side of the line you are on.
- What does RainViewer show for Exeter that a forecast percentage does not?
A forecast percentage for Exeter gives one number for the whole area, while RainViewer shows the actual shape and position of the rain on the map. Met Office C-band radar covers the far south-west of Devon and Cornwall, and its dual-polarization data tells rain from hail apart along the exposed coastline. That hyperlocal, live picture is what lets you judge a specific street rather than the whole town.
- What can I do with RainViewer in Exeter beyond checking current rain?
Set a rain alert on the Quayside or Exeter St David's and RainViewer warns you before rain arrives. That lets you plan the timing of a walk or a commute. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Topsham and the Cathedral Green together.
Track Rain in Exeter in Real Time
A walk along the Quayside and a stroll across the Cathedral Green both depend on a dry gap, and RainViewer shows the next one.
Rain in Exeter arrives off the Atlantic in quick bands, and the gap between two of them is the useful part.
Your weather app says rain in Exeter this afternoon. RainViewer's live hyperlocal radar shows the cell over Dartmoor with the Quayside still dry, which decides whether the riverside walk starts now.
Track rain in Exeter — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
The 5-minute steps show whether the walk along the Quayside fits inside the dry gap.
Rain alerts before arrival
Set the alert at Exeter St David's, and the warning arrives in time to decide whether to wait on the platform or walk to the Cathedral Green.
Direction arrows on the map
Storms usually arrive from the south-west, straight off the Atlantic over Exeter, and the arrows show which way each cell is moving.
48 hours of radar history
Check the Exe catchment in the last 48 hours to see how much rain came down.
Multiple locations
Keep the Quayside, Exeter St David's and Topsham on the same list, each with its own alert.
RainViewer
