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How much rain fell in Grimston, Norfolk? Daily, weekly and monthly totals averaged over the Environment Agency rain gauges within 15km, updated every 15 minutes.
Next 24 hours: little or no rain forecast for the area around Grimston (under 0.2mm).
A computer model forecast (DWD ICON) for a square about 15 km across, updated 05:05 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 Grimston | 0.0km | 2.6mm | 51.2mm | 82.5mm | 2.7mm |
| Rainfall gauge nr King's Lynn and West Norfolk nr King's Lynn and West Norfolk | 12.2km | 3.0mm | 46.7mm | 87.2mm | 3.0mm |
| Rainfall gauge nr Castle Acre nr Castle Acre | 12.5km | 3.3mm | 65.1mm | 99.3mm | 3.8mm |
Daily totals 27 Sep–26 Oct. Wettest day: 18.0mm.
16 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Grimston, against a full-month average of 17.1 rain days (based on 2 months of records at this gauge).
2026 so far: 481 mm (1 Jan to 26 Oct), against 586 mm by the same date in an average year (2000–2025) — 18% drier.
One bar per calendar year, the average of 3 local rain gauges: the Environment Agency's quality-checked daily archive, then live telemetry for the latest months. Wettest: 2023 (1,087 mm). Driest: 2011 (516 mm). Average: 746 mm a year. Striped years have gaps in the record, so no total is shown for them.
Daily totals are the average of 3 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.
Grimston gets about 688 mm of rain a year on average (wettest month October, 71 mm; driest April, 43 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), 2.0 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.
Rain gauge River gauge Storm overflow
Nearest gauge on it: Marham, 9.1 km away: no recent reading.
Every gauge on the River Nar →A level is shown only when the gauge's latest reading is under 6 hours old. Distances are straight-line from the centre of Grimston's monitored area.
1 storm overflow within 5 km of the centre of Grimston's monitored area. The 1 with a live status is not 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: © Anglian 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 Norfolk, England
Grimston is a village and civil parish in the English county of Norfolk.
From Wikipedia, the free encyclopedia (CC BY-SA 4.0).
3.0mm of rain fell yesterday (26 Oct 2026), from the average of 3 rain gauges within 15km of Grimston.
October so far: 89.7mm vs 74.9mm October average — 20% wetter (the average covers the whole month; we are 27 days in). Figures are the average of 3 rain gauges within 15km.
Rainfall gauge nr Grimston is the nearest rain gauge, 0.0km from the centre of Grimston's monitored area. Rain gauges can be several kilometres from the town itself, so very local downpours may not register exactly.
16 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Grimston, against a full-month average of 17.1 rain days.
2023 was the wettest year in the record since 2000, with 1,087 mm from the average of 3 local rain gauges, against an average of 746 mm a year. The driest was 2011, with 516 mm.
6 Jul 2013: 100.0 mm on average across 3 local rain gauges, and up to 200.0 mm at one of them. 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 Grimston's monitored area — local rainfall can vary over short distances.
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