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How much rain fell in St. Erth, Cornwall? Daily, weekly and monthly totals averaged over the Environment Agency rain gauges within 15km, updated every 15 minutes.
Yellow Yellow warning of rain
Heavy rain brings a high likelihood of moderate impacts from surface water flooding.
In force until 11pm Sat 24 Oct (UK time). Issued 9:05am Sat 24 Oct by the Met Office.
What to expect
What should I do?
Give yourself the best chance of avoiding delays by checking road conditions if driving, or bus and train timetables, amending your travel plans if necessary.
People cope better with power cuts when they have prepared for them in advance. It's easy to do; consider gathering torches and batteries, a mobile phone power pack and other essential items.
Check if your property could be at risk of flooding. If so, consider preparing a flood plan and an emergency flood kit.
Be prepared for weather warnings to change quickly: when a weather warning is issued, the Met Office recommends staying up to date with the weather forecast in your area.
What should I do? See the Met Office warnings and advice. Met Office Weather Warnings © Crown Copyright 2026
A Met Office weather warning is in force here: see the warning above.
Next 24 hours: about 4.7mm of rain forecast for the area around St. Erth, heaviest in the hour to 22:00 (1.8mm).
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).
Daily totals for UK days from the same computer model; "dry" means under 0.2mm. Forecasts further ahead are less certain.
| Gauge | Distance | Yesterday | 7 days | October | Today |
|---|---|---|---|---|---|
| Rainfall gauge nr Lelant Saltings nr Lelant Saltings | 0.0km | 8.1mm | 46.5mm | 102.1mm | 21.6mm |
| Rainfall gauge nr Halsetown nr Halsetown | 5.9km | 8.4mm | 60.7mm | 135.5mm | 20.5mm |
| Rainfall gauge nr Penzance nr Penzance | 10.5km | 9.0mm | 41.8mm | 99.2mm | 18.6mm |
Daily totals 24 Sep–23 Oct. Wettest day: 56.8mm.
15 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Lelant Saltings, against a full-month average of 20.2 rain days (based on 17 months of records at this gauge).
2026 so far: 1,001 mm (1 Jan to 23 Oct), against 844 mm by the same date in an average year (2003–2025) — 19% wetter.
One bar per calendar year, the average of 5 local rain gauges: the Environment Agency's quality-checked daily archive, then live telemetry for the latest months. Wettest: 2025 (1,398 mm). Driest: 2005 (887 mm). Average: 1,160 mm a year.
Daily totals are the average of 5 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.
St. Erth gets about 1,175 mm of rain a year on average (wettest month November, 141 mm; driest May, 61 mm). That is close to 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), 2.6 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.
Rain gauge River gauge Storm overflow
A level is shown only when the gauge's latest reading is under 6 hours old. Distances are straight-line from the centre of St. Erth's monitored area.
5 storm overflows within 5 km of the centre of St. Erth's monitored area. None of the 5 with a live status is discharging right now.
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: © South West 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.
Human settlement in England
St Erth is a civil parish and village in Cornwall, England, United Kingdom.
From Wikipedia, the free encyclopedia (CC BY-SA 4.0).
11.3mm of rain fell yesterday (23 Oct 2026), from the average of 5 rain gauges within 15km of St. Erth.
October so far: 213.5mm vs 126.1mm October average — 69% wetter (the average covers the whole month; we are 24 days in). Figures are the average of 5 rain gauges within 15km.
Rainfall gauge nr Lelant Saltings is the nearest rain gauge, 0.0km from the centre of St. Erth's monitored area. Rain gauges can be several kilometres from the town itself, so very local downpours may not register exactly.
15 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Lelant Saltings, against a full-month average of 20.2 rain days.
2025 was the wettest year in the record since 2003, with 1,398 mm from the average of 5 local rain gauges, against an average of 1,160 mm a year. The driest was 2005, with 887 mm.
13 Nov 2002: 58.2 mm on average across 5 local rain gauges, and up to 59.8 mm at one of them. Records since 14 Nov 2001.
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 St. Erth's monitored area — local rainfall can vary over short distances.
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