Is it raining now in Pinner?
Sunny
5 OctNo upcoming precipitation for the next hour.
Last update: 21:00, 5 Oct 2026
Free to download * Essential from $0.83 * Prices vary by region and promotions.
- App Only
Track up to 20 locations
Home, office, kids' school - all at once, no switching tabs.
- App Only
Alerts for each of them
Get notified 15 minutes before rain - while you can still change your plans.
- App Only
Widgets on your home screen
Live radar without opening the app - on your lock screen or home screen.
Rain in Pinner: What You Need to Know
Pinner is a Metro-land village in the London Borough of Harrow, with a timber-framed high street leading up to St John the Baptist church and Pinner Memorial Park along the little River Pinn. Rain here is mostly a London-suburb pattern, arriving in bands from the south-west with summer storms added on warm afternoons. This is where a Pinner rain radar earns its place. Hyperlocal weather radar shows the edge of each shower, which a city-wide forecast cannot.
What makes rain hard to predict here is not the frontal bands rolling in from the south-west, which are routine, but the convective storms that grow out of warm ground and city heat. The Chilterns and North Downs help direct where these cells form and travel, and a single storm can drop enough water to overwhelm drainage in minutes even after a forecast called only a chance of showers. Rain reaching Pinner mixes frontal bands crossing the Chilterns fringe with storms that build over the warm suburban streets, so a band can be light on the high street while a shower stalls over Pinner Hill just to the north.
The radar map covering Pinner, England, draws directly on Met Office data, refreshed about every 5 minutes as new scans arrive. The live map gives a hyperlocal read on whether a shower is still over Northwood or already at the high street, which a forecast for Pinner cannot tell you.
Rain by Season in Pinner
Autumn and winter frontal season (October to January)
Frontal rain arrives in repeated bands, and named storms bring wind as well as rain. Repeated rain raises the Thames and its tributaries, and roads, rail and low-lying streets are affected first. Winter fronts cross the suburb steadily, and the River Pinn through the park is the first ground to hold water after a run of wet days.
Transition months (February to April)
Cold spring showers cross Pinner quickly, and the walk up Pinner High Street's cobbled section is the plan most often caught out. February to April swings between cold showers, hail and bursts of sun, and forecasting is at its least reliable because these showers are small and move fast. That leaves spring races, park events and weekend sport the most exposed to a sudden change.
Summer storm season (May to September)
Pinner Fair and summer afternoons in Pinner Memorial Park depend on the gaps between short storms building over the suburb. Between May and September, heat built up over the city triggers thunderstorms that dump short, intense rain, flooding roads and stations within minutes. For festivals, tennis and open-air events, the storm cell's track matters most, and radar shows that track before it appears in the sky.
Why You Need a Rain Radar in Pinner
Pinner Fair stallholders and visitors
Pinner Fair fills the high street each May with stalls that have almost no cover in a downpour. Watch the cell approach and decide whether to set out now or wait.
Pinner Memorial Park visitors
Pinner Memorial Park along the River Pinn floods its lower paths after heavy rain and offers little shelter once a shower starts. Check the radar before heading out.
High Street shoppers
Pinner's timber-framed high street empties fast when a shower crosses the suburb. See whether the cell will pass before continuing to browse.
Commuters at Pinner station
Commuters walking from Pinner Underground station up the hill to the high street can time the walk to a break between showers. See what the radar shows before deciding to leave now or wait.
RainViewer Radar Coverage in Pinner
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 Pinner the map also covers Harrow, Northwood and Ruislip.
Pinner Rain Radar: Frequently Asked Questions
- How does rain affect Pinner Fair?
Pinner Fair fills the high street with stalls each May, and heavy rain can empty the crowds and soak stock within minutes because the street offers almost no cover. Stallholders and visitors both watch the sky through the day. RainViewer shows the shower building over Harrow before it reaches the fair.
- Does rain affect the roads around Pinner station?
Yes, heavy rain slows the approach roads around Pinner Underground station, and standing water can build on the hill up to the high street. Check the map before setting off. The live map shows whether the shower is ahead of you or has already moved through.
- Does Pinner flood when it rains?
Pinner does not flood as often as towns on bigger rivers, but heavy rain can raise the River Pinn through Pinner Memorial Park and pool on the lower paths. The high street on its rise stays largely dry. A look at the radar shows if more rain is on the way.
- When is the best time to visit Pinner to avoid rain?
May to September is the best window to visit Pinner, with the high street, the park and Pinner Fair at their most pleasant. Showers are shorter in summer but can still catch the suburb by surprise. Check the radar in the morning and plan outdoor time around the gap.
- Why can it rain on the high street on the rise while Pinner Memorial Park by the Pinn stays dry around Pinner?
Pinner's high street sits on slightly higher ground, so it can stay dry while the park below, following the little River Pinn, holds standing water from the same shower. A forecast covers both places with one number, while the radar map shows the rain crossing the high street on the rise and missing Pinner Memorial Park by the Pinn.
- What does RainViewer show for Pinner that a forecast percentage does not?
A forecast percentage for Pinner gives one number for the whole area, while RainViewer shows the actual shape and position of the rain on the map. Dual-polarization radar from the Met Office distinguishes heavy convective downpours from ordinary frontal rain, a distinction that matters in London because it is the convective storms that overwhelm underpasses and flood stations. That hyperlocal, live picture is what lets you judge a specific street rather than the whole town.
- What can I do with RainViewer in Pinner beyond checking current rain?
Set a rain alert on the high street or Pinner Memorial Park and RainViewer warns you before rain arrives, with a hyperlocal view down to street level. That lets you time a trip to the shops or an afternoon in the park. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Harrow and Northwood together.
Track Rain in Pinner in Real Time
A walk up Pinner High Street and an afternoon in the park both depend on a dry gap, and RainViewer shows the next one.
Rain around Pinner can turn into a downpour within minutes, so a quick radar check first is worth it.
The forecast says rain in Pinner this afternoon. RainViewer's live hyperlocal radar shows the cell still over Northwood with the high street still dry, and that decides whether the walk starts now.
Track rain in Pinner — 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 up the high street fits inside the dry gap.
Rain alerts before arrival
Set the alert at Pinner Memorial Park, and the warning arrives in time to decide whether to browse the high street now or wait for the shower to clear.
Direction arrows on the map
Storms usually arrive from the south-west over Pinner, and the arrows show which way each cell is moving.
48 hours of radar history
Check the suburb around Harrow above Pinner in the last 48 hours to see how much rain came down.
Multiple locations
Keep Pinner High Street, Pinner Memorial Park and Harrow on the same list, each with its own alert.
RainViewer
