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How much rain fell in Zelah, 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.
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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 5.5mm of rain forecast for the area around Zelah, heaviest in the hour to 22:00 (2.1mm).
A computer model forecast (DWD ICON) for a square about 15 km across whose centre is 13 km from Zelah, 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 Allet nr Allet | 0.0km | 16.0mm | 50.1mm | 95.6mm | 16.5mm |
| Rainfall gauge nr Truro nr Truro | 7.3km | 13.6mm | 52.4mm | 98.6mm | 20.0mm |
| Rainfall gauge nr St. Newlyn East nr St. Newlyn East | 9.9km | 7.6mm | 39.4mm | 82.0mm | 14.7mm |
Daily totals 24 Sep–23 Oct. Wettest day: 17.6mm.
15 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Allet, against a full-month average of 21.9 rain days (based on 13 months of records at this gauge).
2026 so far: 939 mm (1 Jan to 23 Oct), against 813 mm by the same date in an average year (2009–2025) — 15% 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 (1,323 mm). Driest: 2010 (843 mm). Average: 1,143 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.
Zelah gets about 1,138 mm of rain a year on average (wettest month November, 141 mm; driest June, 63 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), 2.8 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 Discharging now
A level is shown only when the gauge's latest reading is under 6 hours old. Distances are straight-line from the centre of Zelah's monitored area.
3 storm overflows within 5 km of the centre of Zelah's monitored area. 2 are discharging now, 1 report not discharging.
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.
Village in Cornwall, England
Zelah is a village in Cornwall, England, United Kingdom, approximately 5 miles north of Truro. Zelah is the largest settlement in the civil parish of St Allen. The parish population in the 2001 census was 435.
From Wikipedia, the free encyclopedia (CC BY-SA 4.0).
13.1mm of rain fell yesterday (23 Oct 2026), from the average of 5 rain gauges within 15km of Zelah.
October so far: 97.8mm vs 122.1mm October average — 20% drier (the average covers the whole month; we are 24 days in). Figures are the average of 5 rain gauges within 15km.
Rainfall gauge nr Allet is the nearest rain gauge, 0.0km from the centre of Zelah'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 Allet, against a full-month average of 21.9 rain days.
2025 was the wettest year in the record since 2009, with 1,323 mm from the average of 5 local rain gauges, against an average of 1,143 mm a year. The driest was 2010, with 843 mm.
4 Aug 2013: 47.0 mm on average across 5 local rain gauges, and up to 69.6 mm at one of them. Records since 14 Jan 2008.
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 Zelah's monitored area — local rainfall can vary over short distances.
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