Is it raining now in Uxbridge?
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Last update: 21:00, 5 Oct 2026
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Rain in Uxbridge: What You Need to Know
Uxbridge sits at the western edge of London, where the Grand Union Canal and the River Colne both pass through, and a busy shopping centre and market square anchor the town. The canal and river corridors collect rain from a wide catchment, and the flat ground either side means a heavy band can raise the water quickly. Checking an Uxbridge rain radar takes seconds, and hyperlocal radar shows which part of town the rain is actually crossing.
Uxbridge's flat ground beside the canal and the Colne gives showers little to slow them, and the water corridor collects runoff from a wide area, so the towpath can rise while the town centre streets nearby stay dry. Two separate mechanisms bring rain to London and the Thames Valley: frontal bands sweeping in from the south-west, and convective storms that build locally once the ground has warmed. The city itself adds heat on top of that, and the Chilterns and North Downs help steer and set off individual cells, so one part of town can be soaked while a neighbouring borough stays completely dry.
The live picture for Uxbridge, England, comes straight from Met Office radar, refreshed on the map about every 5 minutes. The live map shows whether a shower is still upstream on the Colne or already crossing Uxbridge town centre, which a forecast for Uxbridge cannot tell you.
Rain by Season in Uxbridge
Autumn and winter frontal season (October to January)
Autumn and winter fronts raise the River Colne and the Grand Union Canal, and towpath sections near the town centre are among the first to flood. October to January is dominated by band after band of frontal rain, with named storms adding wind on top. As the rain keeps falling, the Thames and its tributaries rise, and it is the roads, railways and low-lying streets that feel the effects first.
Transition months (February to April)
Through February to April, cold showers, hail and sunny spells trade off quickly, and the small, fast-moving showers make this the hardest stretch of the year to forecast. Spring races, park events and weekend sport all carry the greatest exposure during this period. Cold spring showers cross the flat ground fast, and the market square and canal walks are the plans most often caught.
Summer storm season (May to September)
Heat builds over the built-up area and thunderstorms produce short, intense rain that floods roads and stations in minutes. Festivals, tennis and open-air events depend on the storm cell's track, which the radar shows before the sky changes. Summer storms build over the warm town, and outdoor events at the market square and boat trips on the canal depend on gaps between showers.
Why You Need a Rain Radar in Uxbridge
Grand Union Canal towpath walkers
The towpath through Uxbridge is fully exposed, and it turns slick fast in heavy rain. Watch the cell approach before setting out.
Market square and shopping centre visitors
Uxbridge's market square and the walk to the shopping centre cross open ground. Check the radar before heading out for the shops.
Commuters at Uxbridge station
Uxbridge station sits at the end of two Underground lines, and the walk to the town centre crosses open streets. Time the walk to a gap between bands.
River Colne walkers
The path along the River Colne can flood after heavy rain upstream. See whether the cell will pass before setting out on foot.
RainViewer Radar Coverage in Uxbridge
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 Uxbridge the map also covers Ruislip, Hillingdon and Denham.
Uxbridge Rain Radar: Frequently Asked Questions
- How does rain affect the canal towpath through Uxbridge?
The Grand Union Canal towpath through Uxbridge has little shelter, and heavy rain raises the water level and turns the path muddy within the hour. Boaters and cyclists using the towpath watch the radar closely. RainViewer shows the shower crossing the town before it reaches the water.
- Does rain affect the River Colne near Uxbridge?
Yes, the River Colne can rise quickly after heavy rain upstream, and low paths beside the river through Uxbridge can flood within a few hours of a heavy band. Check the radar for rain building further up the catchment. RainViewer shows whether more is on the way.
- Does Uxbridge flood when it rains?
Yes, the River Colne and the Grand Union Canal can flood low ground through parts of Uxbridge after heavy or prolonged rain, and paths near the water are the first affected. The market square on higher ground usually stays clear. The live radar shows whether more rain is still coming.
- When is the best time to visit Uxbridge to avoid rain?
May to September is the best window to visit Uxbridge, with the canal, the market square and the River Colne path at their best. Summer cells move through quickly. Check the radar before planning the day, and build the schedule around the dry gap.
- Why can it rain on the canal towpath while the market square stays dry around Uxbridge?
The canal and river corridor sits low and collects runoff from a wide catchment, so the towpath can rise after rain while the market square on higher, built-up ground nearby stays dry. RainViewer draws each shower where it actually is, which is why a look at the canal towpath and the market square can give different answers.
- What makes RainViewer different from a normal weather forecast for Uxbridge?
A forecast for Uxbridge predicts rain with a probability, while RainViewer shows the rain the Met Office radar is measuring right now, with a new frame about every 5 minutes. Because London's worst flooding comes from short convective downpours rather than steady frontal rain, Met Office dual-polarization radar earns its keep here by telling the two apart before underpasses and stations start to flood. That hyperlocal radar view tells you what is happening on your street.
- What can I do with RainViewer in Uxbridge beyond checking current rain?
Set a rain alert on the canal or the market square and RainViewer warns you before rain arrives. That lets you time a walk or a shopping trip. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Uxbridge station and Ruislip together.
Track Rain in Uxbridge in Real Time
A walk along the canal and a visit to the market square both depend on a dry gap, and RainViewer shows the next one.
Showers and storms cross Uxbridge quickly, so timing shifts faster than a forecast updates.
Your weather app says showers in Uxbridge this afternoon. RainViewer's live hyperlocal radar shows the cell still upstream on the Colne with the market square still dry, which decides whether the walk starts now.
Track rain in Uxbridge — 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 canal towpath fits inside the dry gap.
Rain alerts before arrival
Set the alert at the canal towpath, and the warning arrives in time to decide whether to set off now or wait for the gap.
Direction arrows on the map
Storms usually arrive from the south-west over Uxbridge, and the arrows show which way each cell is moving.
48 hours of radar history
Check the Colne catchment above Uxbridge in the last 48 hours to see how much rain came down.
Multiple locations
Keep the canal towpath, Uxbridge station and the market square on the same list, each with its own alert.
RainViewer
