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Rainfall in Grangemouth

How much rain fell in Grangemouth, Falkirk? Daily, weekly and monthly totals from the nearest Environment Agency rain gauges, updated every 15 minutes.

Measured at Polmonthill STW, 0.0km from the centre of Grangemouth's monitored area. Rain gauges can sit several kilometres outside town, so very local downpours may differ from these figures.

0.4mm

Yesterday (8 Sep 2026)

2.2mm

Last 7 days

2.2mm

September so far

0.0mm

Today so far (UTC)

⚠️ Yesterday's 2.2mm at Slamannan was the wettest day in this gauge's very short record (only 2 rain days on record here).

⚠️ Yesterday's 1.4mm at Whitburn was the wettest day at this gauge since 7 Sep 2026 — within this gauge's very short record (only 2 rain days on record here).

Nearest rain gauges to Grangemouth

Gauge	Distance	Yesterday	7 days	September	Today
Polmonthill STW	0.0km	0.4mm	2.2mm	2.2mm	0.0mm
Slamannan nr Slamannan	12.6km	2.2mm	3.6mm	3.6mm	0.0mm
Whitburn nr Whitburn	14.0km	1.4mm	3.8mm	3.8mm	0.0mm

Last 30 days at Polmonthill STW

Daily totals 10 Aug–8 Sep. Wettest day: 1.8mm.

Rain days this September

2 days with at least 0.2mm of rain so far this September at Polmonthill STW.

More for Grangemouth

Polmonthill STW — full gauge history → Slamannan — full gauge history → Whitburn — full gauge history → Notable recent rainfall across the UK → River stations in Falkirk →

Frequently asked questions

How much rain fell in Grangemouth yesterday?

0.4mm of rain was recorded yesterday (8 Sep 2026) at Polmonthill STW, the nearest rain gauge to Grangemouth (0.0km away).

Is this month wetter than normal in Grangemouth?

September so far: 2.2mm at Polmonthill STW. This gauge does not yet have enough history to compute a reliable September average.

Where is the nearest rain gauge to Grangemouth?

Polmonthill STW is the nearest rain gauge, 0.0km from the centre of Grangemouth's monitored area. Rain gauges can be several kilometres from the town itself, so very local downpours may not register exactly.

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 Grangemouth's monitored area — local rainfall can vary over short distances.