As of 00:37 BST

Weather in Merthyr

+10°Weather now

Merthyr, Thursday, 8 October, 00:37

Partly cloudy. Feels like 9°C. High 14°C, low 9°C.

Pressure1021 mb
Wind16 mph NW
Humidity82%
Visibility6.2 mi
Dew point7°C

Ten-day forecast for Merthyr: +7° to +16°, with rain expected on 6 days. The table below breaks each day down by time of day — morning, afternoon, evening and night.

+16°
Best day: 14 October, Wednesday
+12° · 18 mm
Worst day: 17 October, Saturday

Tap any day below to see the weather morning, afternoon, evening and night.

Fri, 09+10 ° /16 °5.1Rain
MorningLight rain+15°feels +15°
AfternoonClear sky+13°feels +13°
EveningMainly clear+11°feels +10°
NightOvercast+15°feels +16°
+16 °Rain

Merthyr, Friday, 9 October

Rain. High 16°C, low 10°C.

Pressure1011 mb
Wind18 mph W
Humidity94%
Visibility3.6 mi
Dew point14°C
Sat, 10+9 ° /12 °0Partly cloudy
MorningClear sky+9°feels +6°
AfternoonOvercast+12°feels +11°
EveningPartly cloudy+10°feels +8°
NightMainly clear+10°feels +7°
+12 °Partly cloudy

Merthyr, Saturday, 10 October

Partly cloudy. High 12°C, low 9°C.

Pressure1016 mb
Wind17 mph W
Humidity70%
Visibility6.2 mi
Dew point7°C
Sun, 11+7 ° /12 °0Overcast
MorningMainly clear+8°feels +7°
AfternoonOvercast+12°feels +11°
EveningOvercast+9°feels +9°
NightPartly cloudy+9°feels +7°
+12 °Overcast

Merthyr, Sunday, 11 October

Overcast. High 12°C, low 7°C.

Pressure1016 mb
Wind6 mph W
Humidity71%
Visibility6.2 mi
Dew point7°C
Mon, 12+11 ° /16 °9.5Rain
MorningRain+13°feels +13°
AfternoonRain+15°feels +15°
EveningRain+16°feels +16°
NightRain+15°feels +16°
+16 °Rain

Merthyr, Monday, 12 October

Rain. High 16°C, low 11°C.

Pressure1014 mb
Wind18 mph SE
Humidity94%
Visibility—
Dew point14°C
Tue, 13+9 ° /16 °2.3Light rain
MorningLight rain+16°feels +16°
AfternoonLight rain+14°feels +14°
EveningLight rain+10°feels +9°
NightLight rain+10°feels +11°
+16 °Light rain

Merthyr, Tuesday, 13 October

Light rain. High 16°C, low 9°C.

Pressure1020 mb
Wind17 mph SW
Humidity84%
Visibility—
Dew point13°C
Wed, 14+10 ° /16 °0Overcast
MorningOvercast+13°feels +12°
AfternoonOvercast+16°feels +15°
EveningOvercast+13°feels +13°
NightOvercast+13°feels +13°
+16 °Overcast

Merthyr, Wednesday, 14 October

Overcast. High 16°C, low 10°C.

Pressure1026 mb
Wind14 mph SW
Humidity74%
Visibility—
Dew point11°C
Thu, 15+8 ° /14 °4.8Light rain
MorningLight rain+14°feels +13°
AfternoonLight rain+12°feels +11°
EveningLight rain+9°feels +8°
NightLight rain+9°feels +9°
+14 °Light rain

Merthyr, Thursday, 15 October

Light rain. High 14°C, low 8°C.

Pressure1019 mb
Wind22 mph SW
Humidity74%
Visibility—
Dew point8°C
Fri, 16+8 ° /13 °0Overcast
MorningOvercast+9°feels +8°
AfternoonOvercast+12°feels +11°
EveningOvercast+10°feels +9°
NightOvercast+10°feels +9°
+13 °Overcast

Merthyr, Friday, 16 October

Overcast. High 13°C, low 8°C.

Pressure1019 mb
Wind9 mph S
Humidity62%
Visibility—
Dew point5°C
Sat, 17+8 ° /12 °18Rain
MorningRain+11°feels +11°
AfternoonRain+11°feels +10°
EveningRain+9°feels +7°
NightRain+9°feels +6°
+12 °Rain

Merthyr, Saturday, 17 October

Rain. High 12°C, low 8°C.

Pressure1013 mb
Wind14 mph NW
Humidity67%
Visibility—
Dew point6°C

Forecast questions

How accurate is a 10-day forecast?

The first 3–5 days are the most dependable — usually within 1–2 degrees. From day 6 to 10 the models show the trend: the direction of change is right more often than the exact figures.

What does the time-of-day table show?

Temperature in Merthyr at around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime temperature against expected rainfall: a warm, dry day scores highest.