Is it raining now in Redhill?
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Last updated: 20:00, 5 Oct 2026
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Rain in Redhill: What You Need to Know
Redhill sits below the North Downs in Surrey, a junction town where several railway lines meet, with Earlswood Lakes a short walk south of the centre and the chalk ridge of the Downs rising close by on the way toward Reigate. A Redhill rain radar answers that in seconds, with hyperlocal radar drawing the shower's edge instead of a broad probability.
The North Downs above Redhill lift Atlantic air moving up from the south coast, so the ridge can catch extra rain that the town below, sitting in the gap where the railway lines cross, sees only lightly until the same band drops down. London and the Thames Valley are low and inland, so rain here is a mix of frontal bands from the south-west and convective storms that grow over warm ground. The urban heat island adds energy over the built-up area, and storms can stall over one borough while the next stays dry.
RainViewer keeps the map over Redhill, England, current with Met Office radar, updating roughly every 5 minutes as new scans come in. The live map shows whether a shower is still on the Downs or already at Earlswood Lakes, which a forecast for Redhill cannot tell you.
Rain by Season in Redhill
Autumn and winter frontal season (October to January)
Frontal bands cross the Downs from the south-west, and the high ridge above Redhill takes the wettest, windiest weeks of the year. Between October and January, one frontal band follows another, and named storms bring wind alongside the rain. The Thames and its tributaries respond to all that repeated rain by rising, with roads, rail lines and low-lying streets typically the first to be hit.
Transition months (February to April)
Cold showers, hail and sun alternate, and forecasts are least reliable because the showers are small and fast. Spring races, park events and weekend sport are the most exposed. Cold showers, hail and sun alternate, and a walk on the Downs is the plan most often cut short.
Summer storm season (May to September)
From May to September, heat builds over the built-up area until thunderstorms break, producing short, intense rain that can flood roads and stations within minutes. Festivals, tennis and open-air events hinge on which way a storm cell tracks, which radar reveals before the sky itself does. Thunderstorms can build over the warm town on summer afternoons, and Earlswood Lakes depends on the gaps between them.
Why You Need a Rain Radar in Redhill
Earlswood Lakes walkers
The lakes and the paths around them sit in open parkland with little cover. Check the radar before setting out for a walk around the water.
North Downs walkers above Redhill
The chalk ridge above the town catches showers before the streets below do. Watch the cell approach and decide whether to start the climb or wait.
Redhill station commuters
Redhill is a major railway junction, and the walk between platforms and the town centre crosses open ground. Time the leave to the gap between showers.
Redhill town centre and market visitors
The shopping streets in the centre see weekday footfall, and rain sends shoppers under cover fast. Check the radar before heading out.
RainViewer Radar Coverage in Redhill
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 Redhill the map also covers Reigate, Crawley and Croydon.
Redhill Rain Radar: Frequently Asked Questions
- How does rain affect a walk on the North Downs above Redhill?
The North Downs ridge above Redhill lifts approaching showers and catches the heaviest rain first, so a walk that starts dry in the town can run into a soaking on the ridge within the hour. Walkers heading up from Redhill check the radar rather than a single valley forecast. RainViewer shows the shower building over the Downs ahead of the town.
- Does rain affect the A25 near Redhill?
Yes, the A25 near Redhill slows in heavy rain, and spray builds where the road climbs toward Reigate and the Downs. A radar check before you set off is worth it. RainViewer marks the cell's position, so it is clear whether it is still coming or already gone.
- Does Redhill flood when it rains?
Redhill does not flood often in the town centre, but heavy rain on the North Downs can send fast runoff down toward Earlswood Lakes and the lower streets near the railway junction. The higher ground of the ridge itself sheds water quickly. The radar shows whether heavier rain is still falling on the Downs.
- When is the best time to visit Redhill to avoid rain?
May to September is the best window to visit Redhill, with Earlswood Lakes and the North Downs at their best. Spring showers on the ridge can still catch a walk out. Checking the radar in the morning shows the best window before anything else.
- Why can it rain on the North Downs ridge while Earlswood Lakes stays dry around Redhill?
The ridge lifts approaching showers and drops the heaviest rain on the high ground, while Earlswood Lakes in the lower town can stay dry until the same band moves down off the Downs. A forecast covers both places with one number, while the radar map shows the rain crossing the North Downs ridge and missing Earlswood Lakes.
- Can I trust the Redhill rain radar more than my phone's default weather app?
The Redhill 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. Met Office dual-polarization radars separate heavy convective rain from lighter frontal rain, which matters here because the intense summer downpours are the ones that flood underpasses and stations. That hyperlocal difference is why the radar catches a shower a forecast app misses.
- What can I do with RainViewer in Redhill beyond checking current rain?
Set a rain alert on Earlswood Lakes or the North Downs and RainViewer warns you before rain arrives. That lets you time a lakeside walk or a ridge walk. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Redhill station and Reigate.
Track Rain in Redhill in Real Time
A visit to Earlswood Lakes and a walk on the North Downs both depend on a dry gap, and RainViewer shows the next one.
Rain around Redhill can turn into a downpour within minutes, so a quick radar check first is worth it.
Your phone forecast says rain in Redhill this afternoon. RainViewer's live hyperlocal radar shows it still up on the Downs with Earlswood Lakes still dry, and that decides whether the climb starts now.
Track rain in Redhill — 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 up onto the Downs.
Rain alerts before arrival
An alert on Earlswood Lakes arrives while the rain is still on its way, and that decides whether to head up onto the ridge or stay by the lakes.
Direction arrows on the map
In Redhill the wet weather tends to come from the south-west, and the arrows show the track of every shower.
48 hours of radar history
Scroll back over the North Downs above Redhill to see what actually fell overnight.
Multiple locations
Track Earlswood Lakes, the North Downs and Redhill station together and compare which one is dry.
RainViewer
