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Last updated: 20:00, 5 Oct 2026
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Chard sits at the source of the River Axe in Somerset, on high ground close to the Devon border, with Chard Reservoir's lake and nature trail a short way from the old town centre. The high ground lifts Atlantic rain first, so the reservoir can see rain before the streets below. A Chard rain radar is built for exactly this moment: hyperlocal radar tracks the shower's edge as it moves past specific streets.
Frontal bands cross the Severn Estuary from the west and rise over the Mendips to the south and the Cotswold edge to the east. The lift squeezes heavier rain out over the hills and the valleys that face the wind, and a standard forecast for the whole region averages that difference away. The high ground around Chard lifts a hyperlocal band first, so rain over Chard Reservoir can arrive before the same shower reaches the lower streets of the town centre.
RainViewer's map for Chard, England, runs on Met Office radar, updating with each new scan so the rain shown is current, not modelled. The live map shows whether a shower is still over the high ground or already crossing Chard town centre, which a forecast for the town cannot tell you.
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. Atlantic depressions cross the region in quick succession, and Chard Reservoir fills fastest during this period as fronts arrive off the high ground.
Fronts weaken and showers take over, so a dry morning at the reservoir can turn into a hail-and-sun afternoon. 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.
Rain becomes less frequent but heavier in short bursts, and thunderstorms can form over warm ground in the afternoon. 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.
The reservoir's nature trail and lake have little shelter beyond a few trees. Watch the cell approach before setting out from the car park.
Chard's town centre shops have some cover, but open crossings catch a shower fast. Check the radar before heading out.
Visitors touring the museum and the historic Guildhall move between buildings on open streets. See whether the shower clears before heading out.
The lanes and fields on the high ground around Chard have little shelter once a shower starts. A look at the radar shows whether the cell is heading down towards town.
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 Chard the map also covers Ilminster, Axminster and Crewkerne.
Chard Reservoir's nature trail and lakeside path sit on open high ground with little shelter beyond a few trees, so a shower there can catch walkers well before the same band reaches the town below. Regular visitors check the sky before a longer loop. RainViewer shows the shower building over the high ground before it reaches the reservoir.
Yes, the open crossings around Chard's town centre catch a shower quickly, particularly once a band that has already crossed the high ground reaches the lower streets. Check the radar before heading out for the shops. RainViewer shows whether the shower is still approaching or already behind you.
Chard does not flood often, since the town sits at the source of the River Axe on high ground, but heavy rain can raise the water level at Chard Reservoir and leave standing water on some low paths there. The radar shows whether the next band is already approaching.
May to August is the best window to visit Chard, with the reservoir, the town centre and the surrounding lanes at their best. Summer showers are usually over quickly. Check the radar early and time any outdoor plans to fit the dry gap.
The reservoir sits on open high ground that catches an approaching shower first, while the town centre on the lower streets below stays dry a little longer under the same band. Live radar shows the edge of each cell, so checking Chard Reservoir and the town centre separately shows which side of the line you are on.
The Chard weather map on RainViewer shows a live radar feed from the Met Office, refreshed roughly every 5 minutes, not a forecast probability. Met Office C-band dual-polarization radars separate rain from hail and wet snow, which matters on the Mendip and Cotswold high ground where showers change type with height. That hyperlocal radar feed is what sets it apart from a standard forecast app.
Set a rain alert on the reservoir or the town centre and RainViewer warns you before rain arrives, with hyperlocal detail a single Somerset forecast cannot give. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Ilminster and Axminster together.
A walk at Chard Reservoir and a visit to the town centre both depend on a dry gap, and RainViewer shows the next one.
Rain in Chard comes in bands off the Bristol Channel, and the gap between two bands is the window that matters.
Your forecast for Chard says showers this evening. RainViewer's live hyperlocal radar shows the cell still over the high ground with the town centre still dry, which decides whether the reservoir walk starts now.
Track rain in Chard — free Upgrade to Essential for alerts, forecasts, and full radar history
Two hours of 5-minute steps let you time the walk around Chard Reservoir to the minute.
Put an alert on Chard Reservoir. RainViewer warns you minutes ahead, which settles whether to start the reservoir walk now or wait for the gap.
Rain reaches Chard most often from the west and south-west, so the arrows tell you at a glance whether a cell is heading your way.
The 48-hour history shows what fell on the high ground above Chard, which is the fastest way to judge ground conditions.
Save Chard Reservoir, the town centre and the Guildhall and check all three in one look.