Home › Rainfall › Otterbourne

Rainfall in Otterbourne

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

The average of 4 rain gauges within 15km of the centre of Otterbourne's monitored area, all reporting in the last two days. This October they range from 104.4mm to 109.9mm. The nearest is Rainfall gauge nr Otterbourne, 0.0km away. Rain can be very local, so one street may differ from the average.
0.2mm
Yesterday (25 Oct 2026)
81.4mm
Last 7 days
106.9mm
October so far
vs 112.6mm avg — 5% drier
6.8mm
Today so far (UTC)

Rain forecast

Next 24 hours: about 3.7mm of rain forecast for the area around Otterbourne, heaviest in the hour to Tue 05:00 (2.4mm).

A computer model forecast (DWD ICON) for a square about 15 km across, updated 17:05 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.

🏠 Thinking of buying in Otterbourne? Get the Property Flood-Risk Report for any Otterbourne postcode — official risk band, recorded floods since 1946, warning history, river behaviour and nearby storm overflows. £19 one-off, instant. Learn more →

Nearest rain gauges to Otterbourne

GaugeDistanceYesterday7 daysOctoberToday
Rainfall gauge nr Otterbourne 0.0km 0.1mm 77.8mm 105.2mm 7.7mm
Rainfall gauge nr Littleton nr Littleton 9.0km 0.0mm 76.9mm 104.4mm 7.0mm
Rainfall gauge nr Bishop's Waltham nr Bishop's Waltham 10.5km 0.0mm 91.3mm 109.9mm 5.5mm

Last 30 days (average of 4 gauges within 15km)

Daily totals 26 Sep–25 Oct. Wettest day: 26.0mm.

Rain days this October

14 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Otterbourne, against a full-month average of 19.5 rain days (based on 12 months of records at this gauge).

Rainfall year by year in Otterbourne

2026 so far: 666 mm (1 Jan to 25 Oct), against 666 mm by the same date in an average year (2000–2025) — about average.

One bar per calendar year, the average of 4 local rain gauges: the Environment Agency's quality-checked daily archive, then live telemetry for the latest months. Wettest: 2014 (1,303 mm). Driest: 2003 (656 mm). Average: 898 mm a year.

Wettest days and storms in Otterbourne

Wettest days since 2000

  1. 49.4 mm 23 Dec 2013 · 2013-14 UK winter floodsup to 60.0 mm at one gauge
  2. 47.2 mm 2 Oct 2020up to 55.3 mm at one gauge
  3. 46.9 mm 29 Oct 2000up to 52.6 mm at one gauge
  4. 45.7 mm 18 Aug 2011up to 90.0 mm at one gauge
  5. 43.0 mm 4 Jul 2000up to 56.8 mm at one gauge

Storms that brought the most rain here

  1. 55.2 mm Storm Angus · 19–21 Nov 2016
  2. 50.5 mm Storm Bert · 22–25 Nov 2024
  3. 50.1 mm Storm Dennis · 15–16 Feb 2020
  4. 44.6 mm Storm Babet · 18–22 Oct 2023
  5. 42.7 mm Storm Herminia · 26–27 Jan 2025

Daily totals are the average of 4 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 Otterbourne

Otterbourne gets about 889 mm of rain a year on average (wettest month November, 106 mm; driest May, 52 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), 1.3 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 Otterbourne

Rain gauge River gauge Storm overflow

Rivers near Otterbourne

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 Otterbourne's monitored area.

Storm overflows near Otterbourne

5 storm overflows within 5 km of the centre of Otterbourne's monitored area. None of the 3 with a live status is discharging right now, and 2 have no current status.

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 Otterbourne

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

Village and parish in Hampshire, England

Otterbourne is a village in Hampshire, England. It is located approximately four miles (6.4 km) south of Winchester and eight miles (13 km) north of Southampton. At the 2011 census, its population was 1,539, and there were 626 dwellings.

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

Frequently asked questions

How much rain fell in Otterbourne yesterday?

0.2mm of rain fell yesterday (25 Oct 2026), from the average of 4 rain gauges within 15km of Otterbourne.

Is this month wetter than normal in Otterbourne?

October so far: 106.9mm vs 112.6mm October average — 5% drier (the average covers the whole month; we are 26 days in). Figures are the average of 4 rain gauges within 15km.

Where is the nearest rain gauge to Otterbourne?

Rainfall gauge nr Otterbourne is the nearest rain gauge, 0.0km from the centre of Otterbourne'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 Otterbourne had this month?

14 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Otterbourne, against a full-month average of 19.5 rain days.

What was the wettest year in Otterbourne?

2014 was the wettest year in the record since 2000, with 1,303 mm from the average of 4 local rain gauges, against an average of 898 mm a year. The driest was 2003, with 656 mm.

What is the wettest day on record in Otterbourne?

23 Dec 2013: 49.4 mm on average across 4 local rain gauges, and up to 60.0 mm at one of them, during 2013-14 UK winter floods. 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 Otterbourne's monitored area — local rainfall can vary over short distances.