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High Street, Merstham, SurreyPhoto: Peter Trimming · CC BY-SA 2.0
Weather in South Merstham · MET Norway forecast + Met Office averages

Weather in South Merstham: cool for November today, up to 8 degrees

South Merstham’s averages for November set the scene: the usual high is 11°C (51°F), the usual low 4°C (40°F). Around 4 mm of rain is due today, with a light wind of up to 11 mph and a low of 6°C (42°F). Of the days after that, Tuesday brings the most rain: about 12 mm.

Winter 8°/2°CSpring 14°/5°CSummer 21°/12°CAutumn 15°/7°C
Right now
8°C
Light rain · 47°F
High 8°C · Low 6°C · Wind 9 mph
Today 3°C cooler than a normal 11 November
Sunrise 07:10 · sunset 16:18
Today
8°C / 6°C
A normal 11 November: 11°C / 5°C
Rain, next 24 hours
4.3 mm
Some rain
Wind
9 mph
From the north-east · up to 11 mph today
Humidity
99%
relative humidity
Daylight
9 h 07 min
07:10 to 16:18
Hour by hour · °C

The next 24 hours in South Merstham

It runs from 6°C around 20:00 up to 8°C around 03:00. Wettest around 08:00 (1.1 mm in the hour).

03:00 · 8°C (47°F) · Light rain · 0.2 mm · wind 9 mph8°Now04:00 · 8°C (47°F) · Rain · 0.4 mm · wind 9 mph05:00 · 8°C (46°F) · Rain · 0.5 mm · wind 10 mph8°06:00 · 8°C (46°F) · Rain · 0.5 mm · wind 11 mph06:0007:00 · 8°C (46°F) · Rain · 0.8 mm · wind 11 mph8°08:00 · 8°C (46°F) · Heavy rain · 1.1 mm · wind 10 mph1.1 mm09:00 · 8°C (46°F) · Rain · 0.6 mm · wind 11 mph8°09:0010:00 · 8°C (46°F) · Light rain · 0.2 mm · wind 11 mph11:00 · 8°C (46°F) · Cloudy · 0.0 mm · wind 10 mph8°12:00 · 8°C (47°F) · Cloudy · 0.0 mm · wind 10 mph12:0013:00 · 8°C (47°F) · Cloudy · 0.0 mm · wind 9 mph8°14:00 · 8°C (47°F) · Cloudy · 0.0 mm · wind 9 mph15:00 · 8°C (47°F) · Cloudy · 0.0 mm · wind 9 mph8°15:0016:00 · 8°C (47°F) · Cloudy · 0.0 mm · wind 8 mph17:00 · 8°C (46°F) · Cloudy · 0.0 mm · wind 8 mph8°18:00 · 8°C (46°F) · Partly cloudy · 0.0 mm · wind 8 mph18:0019:00 · 7°C (45°F) · Mostly clear · 0.0 mm · wind 7 mph7°20:00 · 6°C (44°F) · Clear · 0.0 mm · wind 6 mph6°21:00 · 6°C (43°F) · Mostly clear · 0.0 mm · wind 7 mph6°21:0022:00 · 6°C (42°F) · Mostly clear · 0.0 mm · wind 7 mph23:00 · 6°C (43°F) · Partly cloudy · 0.0 mm · wind 7 mph6°00:00 · 6°C (43°F) · Mostly clear · 0.0 mm · wind 8 mph00:0001:00 · 6°C (42°F) · Mostly clear · 0.0 mm · wind 8 mph6°02:00 · 6°C (42°F) · Partly cloudy · 0.0 mm · wind 8 mph
TemperatureRain (mm in the hour)Night
7 days · °C

The week ahead, against a normal week

Most days run cooler than normal for the date. Tap a day for more.

Today11 NovHeavy rain4.3 mm rain6°8°−3°

Wednesday 11 November: Heavy rain, a high of 8°C (47°F) and a low of 6°C (42°F); 4.3 mm of rain; wind up to 11 mph.

A normal 11 November in South Merstham: high 11°C, low 5°C.

Tomorrow12 NovSunnydry2°7°−4°

Thursday 12 November: Sunny, a high of 7°C (44°F) and a low of 2°C (36°F); no rain expected; wind up to 12 mph.

A normal 12 November in South Merstham: high 11°C, low 5°C.

Fri13 NovSunnydry0°6°−5°

Friday 13 November: Sunny, a high of 6°C (43°F) and a low of 0°C (32°F); no rain expected; wind up to 9 mph.

A normal 13 November in South Merstham: high 11°C, low 5°C.

Sat14 NovCloudydry−1°8°−3°

Saturday 14 November: Cloudy, a high of 8°C (46°F) and a low of −1°C (30°F); no rain expected; wind up to 6 mph.

A normal 14 November in South Merstham: high 11°C, low 4°C.

Sun15 NovLight rain1.4 mm rain0°8°−3°

Sunday 15 November: Light rain, a high of 8°C (46°F) and a low of 0°C (32°F); 1.4 mm of rain; wind up to 6 mph.

A normal 15 November in South Merstham: high 11°C, low 4°C.

Mon16 NovCloudy0.2 mm rain4°6°−4°

Monday 16 November: Cloudy, a high of 6°C (44°F) and a low of 4°C (40°F); 0.2 mm of rain; wind up to 13 mph.

A normal 16 November in South Merstham: high 11°C, low 4°C.

Tue17 NovLight showers11.7 mm rain5°14°+3°

Tuesday 17 November: Light showers, a high of 14°C (57°F) and a low of 5°C (41°F); 11.7 mm of rain; wind up to 19 mph.

A normal 17 November in South Merstham: high 11°C, low 4°C.

Normal range for the date (Met Office 1991–2020)Forecast low to high

Warnings and more

This page doesn’t repeat official warnings: check the Met Office before travelling in bad weather.

Met Office weather warningsSevere weather warnings for wind, rain, snow, ice, fog and heat are issued by the Met Office, the UK’s official service.Flood warnings for South MersthamThe Environment Agency’s live flood warnings near the town, and how many homes are at risk.South Merstham’s climateNormal temperatures, rain and frost month by month, from the Met Office’s 30-year averages.

Forecast: Data from MET Norway (Norwegian Meteorological Institute), CC BY 4.0; temperatures converted to °F, wind to mph and times to UK time by us, fetched 11 November, 03:06. Normals: Met Office HadUK-Grid 1991–2020 averages for the town (Contains Met Office data © Crown copyright, Open Government Licence v3.0). Sunrise and sunset are calculated from the town’s position.

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.