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Last update: 21:00, 5 Oct 2026
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Worthing lies on a flat coastal plain between the Sussex Downs and the Channel, with the pier and Splash Point on the seafront and Highdown Hill rising behind the town. Rain arrives off the sea with nothing to slow it, and the flat land drains slowly. This is where a Worthing rain radar earns its place. Hyperlocal weather radar shows the edge of each shower, which a city-wide forecast cannot.
Rain bands crossing the Channel are shaped by the sea, the South Downs and the Solent, which determine how each one breaks up on its way to the south coast. On warm days, sea-breeze convergence triggers thunderstorms along the coast and just inland, and a regional forecast averages those storms away rather than showing them. The flat plain and the wide sea give showers a clear run onto the seafront, and the Downs behind hold heavier rain on the high ground, so the beach and Highdown can see different weather.
RainViewer's map for Worthing, 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 over the Channel, at Worthing Pier or already on Highdown Hill, which a forecast for Worthing cannot tell you.
Atlantic depressions move along or across the Channel, and named storms bring strong winds and high seas along with heavy rain. Seafront roads, ferries and coastal paths feel it first, and rain on already-saturated ground raises the flood risk in low-lying areas. Autumn and winter storms whip the seafront with rain and spray, and the pier and Splash Point are the first places to feel them.
Spring showers cross the plain, and Highdown Gardens and Beach House Park events are the plans most often caught. Fronts lose their strength and cold showers cross the coast, occasionally with hail. Narrow, quick-moving showers make forecasting difficult, and it is seafront events and spring outdoor plans that are most exposed.
Summer brings beach crowds and pier events, and a thunderstorm can empty the seafront in minutes. Warm land and a cooler sea trigger sea-breeze storms, and thunderstorms from the continent can drift in. Beach days, festivals and air shows depend on the cell track, because a storm can be over the seafront within minutes.
Families on Worthing beach and the pier can see whether a shower is crossing the Channel and decide whether to stay on the shingle or head for the cafés.
Highdown Hill and the South Downs Way catch showers first. Watch the cell approach and decide whether to start the walk.
Commuters walking to Worthing station and driving the A27 can time the leave to a break between showers.
The seafront path is open to wind and rain. Watch the shower approach and time the ride to the gap.
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 Worthing the map also covers Brighton, Littlehampton and Arundel.
Rain and wind arrive off the Channel with no shelter on the Worthing seafront, and the beach and pier empty within minutes of a shower. Cafés, cyclists and beach visitors watch the sky. RainViewer shows the shower crossing the water.
Yes, heavy rain slows the A27 near Worthing and Lancing, and spray builds where traffic bunches at the junctions. A radar check before joining the road shows what's ahead. RainViewer shows whether the cell is ahead of you.
Worthing has surface flooding on the flat coastal plain after heavy rain, and coastal flooding when a storm surge meets a high tide. The shingle beach and sea defences protect much of the seafront. The radar flags a heavy band before it reaches the area.
May to September is the best window to visit Worthing, with the beach, the pier and Highdown Gardens at their best. Summer showers tend to pass fast. Check the radar in the morning and plan the beach time around the dry gap.
The Downs lift and hold heavier rain on the high ground at Highdown Hill, while the seafront on the flat plain can stay dry until the band drifts south. RainViewer draws each shower where it actually is, which is why a look at Highdown Hill and the seafront can give different answers.
The Worthing rain map shows what the Met Office radar is measuring right now, while a forecast is a prediction made earlier that can drift as conditions change. The Met Office C-band radars covering the south coast measure precipitation over the Channel as well as over land, so an approaching band is visible before it reaches the shore. That live, hyperlocal reading is why the two can disagree.
Set a rain alert on Worthing Pier or Highdown Hill and RainViewer warns you before rain arrives. That lets you time a beach visit or a walk. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Splash Point and Lancing.
A day on the beach and a walk up Highdown Hill both depend on a dry gap, and RainViewer shows the next one.
Showers off the sea reach Worthing with little notice, so timing matters more than the daily total.
Your forecast for Worthing says showers this afternoon. RainViewer's live hyperlocal radar shows the cell over the Downs with the pier still dry, which decides whether the beach day continues.
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Slice the next two hours into 5-minute steps and pick the gap for the walk up Highdown Hill.
An alert on Worthing Pier arrives while the rain is still on its way, and that decides whether to stay on the shingle or move to the cafés.
In Worthing the wet weather tends to come from the south-west, up the English Channel, and the arrows show the track of every shower.
Scroll back over the South Downs behind the town to see what actually fell overnight.
Track Worthing Pier, Highdown Hill and Splash Point together and compare which one is dry.