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Last update: 21:00, 5 Oct 2026
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Rain in Cheddar: What You Need to Know
Cheddar sits at the foot of the Mendip Hills, where Cheddar Gorge cuts a dramatic route up through the limestone and the show caves lie just below the cliffs. Rain lifted by the Mendips can turn into a fast-moving stream through the Gorge, while the village at the bottom stays calmer. A Cheddar rain radar shows the real picture, because hyperlocal radar follows the shower's shape rather than reporting a single number for the area.
The Mendip Hills force rain out of an approaching band right above Cheddar, and the steep sides of the Gorge funnel that water down fast, so a shower on the plateau above can reach the village as a flash of water minutes later. Weather moving in from the west crosses the Bristol Channel and the Severn Estuary before meeting the Mendip Hills and the Cotswold escarpment. The climb forces the air upward, and orographic lift wrings extra rain from the band over the windward slopes. Coastal areas catch the band while it is still light, and the lee side of the hills receives less than the high ground facing the wind.
For Cheddar, England, RainViewer pulls live Met Office radar data straight onto the map, with a fresh scan roughly every 5 minutes. The live map shows whether a shower is still on the Mendip plateau above the Gorge or already at the village, which a forecast for Cheddar cannot tell you.
Rain by Season in Cheddar
Autumn and winter frontal season (September to January)
Winter rain on the Mendip plateau can send water rushing down through Cheddar Gorge, and the road through the Gorge is the first to feel it. Atlantic depressions follow one another across the region from September, when the Met Office starts naming storms. Low ground gets steady frontal rain, while the Mendips and Cotswolds take the heavier totals. River levels and hill roads shift fastest in these months.
Transition months (February to April)
As fronts weaken, showers move in and can turn a dry morning into an afternoon of hail and sun. Because each shower is small and quick, forecasts are at their least reliable, and plans on high ground face the greatest exposure. Cold spring showers cross the hills quickly, and queues for the show caves and the Gorge cliffs are the plans most often caught out.
Summer showers (May to August)
Rain becomes less frequent but heavier in short bursts, and thunderstorms can form over warm ground in the afternoon. Most people plan around the sun and check the radar when cloud builds, which is when the map shows a storm cell's track. Summer brings crowds to the Gorge and the show caves, and the day outdoors depends on the gaps between showers building over the Mendips.
Why You Need a Rain Radar in Cheddar
Cheddar Gorge cliff walkers
The clifftop paths above Cheddar Gorge catch a shower well before the village does, and the drop makes wet rock worth avoiding. Watch the cell approach and decide whether to start the walk.
Show cave and Gorge road visitors
The road through Cheddar Gorge can carry fast runoff after heavy rain on the plateau above. Check the radar for rain over the Mendips before driving through.
Cheddar Reservoir walkers
Cheddar Reservoir sits in the open below the hills with little shelter. See whether a shower will pass before starting a lap.
Commuters and visitors on the A371
The A371 through Cheddar slows in heavy rain, and runoff from the Gorge can reach the road quickly. Check the radar and decide whether to go now or wait.
RainViewer Radar Coverage in Cheddar
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 Cheddar the map also covers Wells, Weston-super-Mare and Glastonbury.
Cheddar Rain Radar: Frequently Asked Questions
- How does rain affect Cheddar Gorge?
Heavy rain on the Mendip plateau above Cheddar Gorge can send water rushing down through the steep limestone cliffs within minutes, and the road through the Gorge is the first place it shows. Visitors and the show caves both feel the change fast. RainViewer shows the rain building on the plateau before it reaches the Gorge road.
- Does rain affect the road through Cheddar Gorge?
Yes, heavy rain on the Mendip plateau can send fast runoff down through Cheddar Gorge and onto the road below. Check the radar for rain over the hills before driving through. RainViewer shows whether the cell is still on the plateau or already at the Gorge.
- Does Cheddar flood when it rains?
Yes, heavy rain on the Mendip plateau can send fast-moving water down through Cheddar Gorge and onto the road and low parts of the village. The limestone sheds water quickly rather than absorbing it. The radar shows whether more heavy rain is falling on the hills above.
- When is the best time to visit Cheddar to avoid rain?
May to September is the best window to visit Cheddar, with the Gorge, the show caves and the reservoir at their best. Summer showers are short but can still send water through the Gorge fast. A look at the radar at breakfast shows the day's best dry stretch.
- Why can it rain on the Mendip plateau above the Gorge while the village at the foot of Cheddar Gorge stays dry around Cheddar?
The Mendip plateau catches the heaviest rain and channels it down through the limestone cliffs, so the high ground can be lashed while the village below stays dry until the runoff finally arrives. Live radar shows the edge of each cell, so checking the Mendip plateau above the Gorge and the village at the foot of Cheddar Gorge separately shows which side of the line you are on.
- Can I trust the Cheddar rain radar more than my phone's default weather app?
The Cheddar rain radar shows what the Met Office radar is measuring right now, while a phone's default weather app usually shows a modelled forecast instead. C-band dual-polarization radar from the Met Office tells rain, hail and wet snow apart, a separation that matters most on the Mendip and Cotswold high ground, where height changes what falls. That hyperlocal difference is why the radar catches a shower a forecast app misses.
- What can I do with RainViewer in Cheddar beyond checking current rain?
Set a rain alert on Cheddar Gorge or the show caves and RainViewer warns you before rain arrives. That lets you time a cliff walk or a drive through the Gorge. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Cheddar Reservoir and Wells together.
Track Rain in Cheddar in Real Time
A cliff walk above the Gorge and a stroll around the village both depend on a dry gap, and RainViewer shows the next one.
Showers behind each front reach Cheddar in quick succession, and the timing of each one is what a forecast smooths away.
Your weather app says rain in Cheddar this afternoon. RainViewer's live hyperlocal radar shows the cell still on the Mendip plateau with the Gorge road still dry, and that decides whether the drive through starts now.
Track rain in Cheddar — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
Slice the next two hours into 5-minute steps and pick the gap for the walk above the Gorge.
Rain alerts before arrival
An alert on Cheddar Gorge arrives while the rain is still on its way, and that decides whether to drive through the Gorge now or wait for the runoff to ease.
Direction arrows on the map
In Cheddar the wet weather tends to come from the west and south-west, and the arrows show the track of every shower.
48 hours of radar history
Scroll back over the Mendip plateau above Cheddar to see what actually fell overnight.
Multiple locations
Track Cheddar Gorge, the show caves and Cheddar Reservoir together and compare which one is dry.
RainViewer
