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Rainfall in Walderton

How much rain fell in Walderton, West Sussex? Daily, weekly and monthly totals averaged over the Environment Agency rain gauges within 15km, updated every 15 minutes.

The average of 6 rain gauges within 15km of the centre of Walderton's monitored area, all reporting in the last two days. This October they range from 85.2mm to 153.7mm. The nearest is Rainfall gauge nr Walderton, 0.2km away. Rain can be very local, so one street may differ from the average.
4.8mm
Yesterday (26 Oct 2026)
94.9mm
Last 7 days
122.0mm
October so far
vs 113.6mm avg — 7% wetter
0.2mm
Today so far (UTC)

Rain forecast

Next 24 hours: about 1.2mm of rain forecast for the area around Walderton, heaviest in the hour to 08:00 (0.5mm).

A computer model forecast (DWD ICON) for a square about 15 km across, updated 05:05 UK time. It is a forecast, not a measurement, and not a Met Office forecast. Weather data by Open-Meteo (CC BY 4.0).

Next 4 days

Daily totals for UK days from the same computer model; "dry" means under 0.2mm. Forecasts further ahead are less certain.

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⚠️ Yesterday's 3.6mm at Rainfall gauge nr Walderton was the wettest day at this gauge since 24 Oct 2026 and in the top 31.1% of 528 rain days in this gauge's 2-year record.
⚠️ Yesterday's 7.4mm at Rainfall gauge nr West Dean was the wettest day at this gauge since 24 Oct 2026 and in the top 24.6% of 496 rain days in this gauge's 2-year record.
⚠️ Yesterday's 3.4mm at Rainfall gauge nr Havant was the wettest day at this gauge since 24 Oct 2026 and in the top 33.9% of 455 rain days in this gauge's 2-year record.

Nearest rain gauges to Walderton

GaugeDistanceYesterday7 daysOctoberToday
Rainfall gauge nr Walderton 0.2km 3.6mm 95.4mm 127.4mm 0.0mm
Rainfall gauge nr West Dean nr West Dean 6.3km 7.4mm 119.2mm 153.7mm 0.1mm
Rainfall gauge nr Havant nr Havant 8.5km 3.4mm 92.0mm 118.5mm 0.0mm

Last 30 days (average of 6 gauges within 15km)

Daily totals 27 Sep–26 Oct. Wettest day: 23.8mm.

Rain days this October

18 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Walderton, against a full-month average of 17.0 rain days (based on 2 months of records at this gauge).

Rainfall year by year in Walderton

2026 so far: 698 mm (1 Jan to 25 Oct), against 690 mm by the same date in an average year (2000–2025) — about average.

One bar per calendar year, the average of 6 local rain gauges: the Environment Agency's quality-checked daily archive, then live telemetry for the latest months. Wettest: 2000 (1,281 mm). Driest: 2005 (696 mm). Average: 939 mm a year.

Wettest days and storms in Walderton

Wettest days since 2000

  1. 60.2 mm 15 Sep 2000up to 77.8 mm at one gauge
  2. 59.0 mm 10 Jun 2012up to 80.8 mm at one gauge
  3. 57.1 mm 22 Aug 2010up to 86.0 mm at one gauge
  4. 56.8 mm 23 Dec 2013 · 2013-14 UK winter floodsup to 82.4 mm at one gauge
  5. 54.3 mm 5 Nov 2000up to 63.6 mm at one gauge

Storms that brought the most rain here

  1. 71.8 mm Storm Babet · 18–22 Oct 2023
  2. 47.5 mm Storm Angus · 19–21 Nov 2016
  3. 41.7 mm Storm Henk · 2–5 Jan 2024
  4. 41.0 mm St Jude storm 2013 · 27–28 Oct 2013
  5. 39.1 mm Storm Dennis · 15–16 Feb 2020

Daily totals are the average of 6 local rain gauges, for UTC days; one gauge can catch much more than the average. A storm's figure adds up the rain measured on its dates, from our list of Met Office named storms and major floods — other weather on those days counts too.

Average rainfall in Walderton

Walderton gets about 978 mm of rain a year on average (wettest month November, 116 mm; driest May, 54 mm). That is drier than the UK as a whole, which averages 1,163 mm a year.

Monthly averages in mm. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.3 km from the town's gauge centre. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0. UK comparison: Met Office HadUK-Grid areal series, 1991-2020, Open Government Licence v3.0.

Gauges and storm overflows around Walderton

Rain gauge River gauge Storm overflow

Rivers near Walderton

Nearest river gauges

A level is shown only when the gauge's latest reading is under 6 hours old. Distances are straight-line from the centre of Walderton's monitored area.

Storm overflows near Walderton

1 storm overflow within 5 km of the centre of Walderton's monitored area. The 1 with a live status is not discharging right now.

The most spills in 2025

Sewage & storm overflows →

Event Duration Monitors show when an overflow may be spilling; they do not confirm it, and this is not advice on water quality. A live status older than two hours counts as no current status. Live status: © Southern Water storm overflow activity data, licensed under CC BY 4.0. Annual spill figures: Environment Agency Event Duration Monitoring return, © Environment Agency copyright and/or database right, Open Government Licence (OGL) v3.0.

About Walderton

Walderton
Photo: Wikimedia Commons (author and licence on the file page)

Village in West Sussex, England

Walderton is a hamlet in the Chichester district of West Sussex, England. It lies on the B2146 road 4 miles (6.4 km) northeast of Emsworth. It is in the civil parish of Stoughton. The name Walderton derives from the town of Wealdhere's people.

From Wikipedia, the free encyclopedia (CC BY-SA 4.0).

Frequently asked questions

How much rain fell in Walderton yesterday?

4.8mm of rain fell yesterday (26 Oct 2026), from the average of 6 rain gauges within 15km of Walderton.

Is this month wetter than normal in Walderton?

October so far: 122.0mm vs 113.6mm October average — 7% wetter (the average covers the whole month; we are 27 days in). Figures are the average of 6 rain gauges within 15km.

Where is the nearest rain gauge to Walderton?

Rainfall gauge nr Walderton is the nearest rain gauge, 0.2km from the centre of Walderton's monitored area. Rain gauges can be several kilometres from the town itself, so very local downpours may not register exactly.

How many rain days has Walderton had this month?

18 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Walderton, against a full-month average of 17.0 rain days.

What was the wettest year in Walderton?

2000 was the wettest year in the record since 2000, with 1,281 mm from the average of 6 local rain gauges, against an average of 939 mm a year. The driest was 2005, with 696 mm.

What is the wettest day on record in Walderton?

15 Sep 2000: 60.2 mm on average across 6 local rain gauges, and up to 77.8 mm at one of them. Records since 1 Jan 2000.

Rainfall data: Environment Agency rain gauges, synced every 15 minutes. Daily totals are computed overnight (UTC days); "today so far" is live. Gauge distances are straight-line from the centre of Walderton's monitored area — local rainfall can vary over short distances.