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Rainfall in Greenock

How much rain fell in Greenock, Renfrewshire? Daily, weekly and monthly totals from the nearest SEPA rain gauges, updated every 15 minutes.

Measured at Muirshiel RG, 10.6km from the centre of Greenock's monitored area. Rain gauges can sit several kilometres outside town, so very local downpours may differ from these figures.
4.0mm
Yesterday (23 Oct 2026)
44.8mm
Last 7 days
236.4mm
October so far
32.8mm
Today so far (UTC)

Rain forecast

Next 24 hours: about 6.3mm of rain forecast for the area around Greenock, heaviest in the hour to 22:00 (1.9mm).

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.

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⚠️ Yesterday's 4.0mm at Muirshiel RG was the wettest day at this gauge since 21 Oct 2026 and in the top 64.4% of 45 rain days in this gauge's very short record (short record — treat with caution).
⚠️ Yesterday's 3.6mm at Ross Priory was the wettest day at this gauge since 20 Oct 2026 and in the top 52.5% of 40 rain days in this gauge's very short record (short record — treat with caution).
⚠️ Yesterday's 1.8mm at Luss Raingauge was the wettest day at this gauge since 20 Oct 2026 and in the top 69.2% of 39 rain days in this gauge's very short record (short record — treat with caution).

Nearest rain gauges to Greenock

GaugeDistanceYesterday7 daysOctoberToday
Muirshiel RG 10.6km 4.0mm 44.8mm 236.4mm 32.8mm
Ross Priory nr Gartocharn 15.9km 3.6mm 16.0mm 106.2mm 21.6mm
Luss Raingauge nr Luss 18.0km 1.8mm 26.4mm 128.2mm 17.6mm

Last 30 days at Muirshiel RG

Daily totals 24 Sep–23 Oct. Wettest day: 25.4mm.

Rain days this October

23 days with at least 0.2mm of rain so far this October at Muirshiel RG.

Rainfall year by year: western Scotland

The rain gauges near Greenock do not have a long enough daily record yet, so this is the Met Office series for the wider region.

Yearly rainfall 1986–2025, with the dashed line at the 1991–2020 average. Wettest: 2011 (2,280 mm). Driest: 2010 (1,368 mm). Source: Met Office HadUK-Grid areal series, Open Government Licence v3.0.

Average rainfall in Greenock

Greenock gets about 1,629 mm of rain a year on average (wettest month January, 193 mm; driest May, 82 mm). That is wetter 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), 3.0 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 Greenock

Rain gauge River gauge Storm overflow Discharging now

Rivers near Greenock

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 Greenock's monitored area.

Storm overflows near Greenock

19 storm overflows within 5 km of the centre of Greenock's monitored area. 13 are discharging now, 4 report not discharging, and 2 have no current status.

Discharging now, then the most spills in the latest annual return

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: © Scottish Water, near-real-time Overflow Map data, open licence for reuse. EDM monitors indicate overflows; they do not confirm them, and this is not advice on water quality.

About Greenock

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

Town in Inverclyde, Scotland

Greenock is a town in Inverclyde, Scotland, located in the west central Lowlands of Scotland. The town is the administrative centre of Inverclyde Council. It is a former burgh within the historic county of Renfrewshire, and forms part of a contiguous urban area with Gourock to the west and Port Glasgow to the east.

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

Frequently asked questions

How much rain fell in Greenock yesterday?

4.0mm of rain fell yesterday (23 Oct 2026), from Muirshiel RG, the nearest reporting rain gauge to Greenock (10.6km away).

Is this month wetter than normal in Greenock?

October so far: 236.4mm, from Muirshiel RG, the nearest reporting rain gauge to Greenock (10.6km away). There is not yet enough history to compute a reliable October average.

Where is the nearest rain gauge to Greenock?

Muirshiel RG is the nearest rain gauge, 10.6km from the centre of Greenock's monitored area. Rain gauges can be several kilometres from the town itself, so very local downpours may not register exactly.

Rainfall data: SEPA 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 Greenock's monitored area — local rainfall can vary over short distances.