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Weather in Ystradgynlais · MET Norway forecast + Met Office averages

Ystradgynlais’ weather tomorrow: partly cloudy, with a high of 11 degrees

In a typical November, days climb to about 10°C (51°F) and nights sink to 5°C (40°F), the yardstick for Ystradgynlais’ forecast. Some 1 mm of rain falls tomorrow; the wind stays gentle at 9 mph, and the low reaches 7°C (44°F). December follows with normal highs of 8°C (47°F) and lows of 3°C (37°F).

Winter 8°/2°CSpring 13°/5°CSummer 20°/11°CAutumn 14°/7°C
Right now
7°C
Cloudy · 45°F
High 11°C · Low 7°C · Wind 6 mph
Tomorrow is about normal for 6 November
Sunrise 07:16 · sunset 16:40
Tomorrow
11°C / 7°C
A normal 6 November: 12°C / 5°C
Rain, next 24 hours
0.6 mm
Some rain
Wind
6 mph
From the east · up to 9 mph tomorrow
Humidity
89%
relative humidity
Daylight
9 h 24 min
07:16 to 16:40
Hour by hour · °C

The next 24 hours in Ystradgynlais

Expect 11°C at the warmest, around 13:00, and 7°C at the coolest, around 21:00. Wettest around 04:00 (0.3 mm in the hour).

21:00 · 7°C (45°F) · Cloudy · 0.0 mm · wind 6 mph7°Now22:00 · 8°C (46°F) · Cloudy · 0.0 mm · wind 7 mph23:00 · 8°C (46°F) · Partly cloudy · 0.0 mm · wind 6 mph8°00:00 · 7°C (44°F) · Partly cloudy · 0.0 mm · wind 6 mph00:0001:00 · 7°C (44°F) · Cloudy · 0.0 mm · wind 6 mph7°02:00 · 7°C (45°F) · Cloudy · 0.0 mm · wind 7 mph03:00 · 7°C (45°F) · Cloudy · 0.0 mm · wind 7 mph7°03:0004:00 · 7°C (45°F) · Light rain · 0.3 mm · wind 6 mph0.3 mm05:00 · 7°C (45°F) · Light rain · 0.3 mm · wind 7 mph7°06:00 · 7°C (44°F) · Cloudy · 0.0 mm · wind 7 mph06:0007:00 · 7°C (44°F) · Partly cloudy · 0.0 mm · wind 7 mph7°08:00 · 7°C (44°F) · Partly cloudy · 0.0 mm · wind 8 mph09:00 · 7°C (45°F) · Partly cloudy · 0.0 mm · wind 9 mph7°09:0010:00 · 8°C (47°F) · Partly cloudy · 0.0 mm · wind 9 mph11:00 · 10°C (49°F) · Partly cloudy · 0.0 mm · wind 7 mph10°12:00 · 10°C (51°F) · Partly cloudy · 0.0 mm · wind 6 mph12:0013:00 · 11°C (51°F) · Partly cloudy · 0.0 mm · wind 6 mph11°14:00 · 11°C (51°F) · Cloudy · 0.0 mm · wind 6 mph15:00 · 10°C (50°F) · Cloudy · 0.0 mm · wind 6 mph10°15:0016:00 · 10°C (49°F) · Cloudy · 0.0 mm · wind 5 mph17:00 · 9°C (48°F) · Partly cloudy · 0.0 mm · wind 5 mph9°18:00 · 8°C (47°F) · Partly cloudy · 0.0 mm · wind 6 mph18:0019:00 · 8°C (46°F) · Partly cloudy · 0.0 mm · wind 6 mph8°20:00 · 8°C (46°F) · Mostly clear · 0.0 mm · wind 6 mph
TemperatureRain (mm in the hour)Night
7 days · °C

The week ahead, against a normal week

Nothing far from normal this week. Tap a day for more.

Fri6 NovPartly cloudy0.6 mm rain7°11°normal

Friday 6 November: Partly cloudy, a high of 11°C (51°F) and a low of 7°C (44°F); 0.6 mm of rain; wind up to 9 mph.

A normal 6 November in Ystradgynlais: high 12°C, low 5°C.

Sat7 NovLight rain0.7 mm rain5°10°normal

Saturday 7 November: Light rain, a high of 10°C (50°F) and a low of 5°C (41°F); 0.7 mm of rain; wind up to 5 mph.

A normal 7 November in Ystradgynlais: high 11°C, low 5°C.

Sun8 NovCloudydry4°9°−2°

Sunday 8 November: Cloudy, a high of 9°C (48°F) and a low of 4°C (39°F); no rain expected; wind up to 4 mph.

A normal 8 November in Ystradgynlais: high 11°C, low 5°C.

Mon9 NovPartly cloudydry2°9°−2°

Monday 9 November: Partly cloudy, a high of 9°C (48°F) and a low of 2°C (35°F); no rain expected; wind up to 10 mph.

A normal 9 November in Ystradgynlais: high 11°C, low 5°C.

Tue10 NovSunny0.1 mm rain4°8°−3°

Tuesday 10 November: Sunny, a high of 8°C (47°F) and a low of 4°C (40°F); 0.1 mm of rain; wind up to 13 mph.

A normal 10 November in Ystradgynlais: high 11°C, low 5°C.

Wed11 NovRain10.7 mm rain8°10°normal

Wednesday 11 November: Rain, a high of 10°C (50°F) and a low of 8°C (46°F); 10.7 mm of rain; wind up to 12 mph.

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

Thu12 NovRain4.8 mm rain7°10°normal

Thursday 12 November: Rain, a high of 10°C (50°F) and a low of 7°C (45°F); 4.8 mm of rain; wind up to 16 mph.

A normal 12 November in Ystradgynlais: high 11°C, low 5°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 YstradgynlaisFlood risk in the town, and where Natural Resources Wales posts its flood warnings.Ystradgynlais’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 5 November, 21:12. 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.