As of 17:55 BST

Weather in Merthyr

+12°Weather now

Merthyr, Wednesday, 7 October, 17:55

Mainly clear. Feels like 11°C. High 14°C, low 10°C.

Pressure1017 mb
Wind20 mph N
Humidity62%
Visibility6.2 mi
Dew point5°C

Ten-day forecast for Merthyr: +7° to +16°, with rain expected on 5 days. The table below breaks each day down by time of day — morning, afternoon, evening and night.

+15°
Best day: 14 October, Wednesday
+16° · 10.9 mm
Worst day: 12 October, Monday

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

Thu, 08+9 ° /14 °0.3Light rain
MorningPartly cloudy+9°feels +7°
AfternoonOvercast+14°feels +13°
EveningOvercast+12°feels +11°
NightPartly cloudy+10°feels +7°
+14 °Light rain

Merthyr, Thursday, 8 October

Light rain. High 14°C, low 9°C.

Pressure1025 mb
Wind12 mph NW
Humidity66%
Visibility6.2 mi
Dew point6°C
Fri, 09+10 ° /16 °6.7Rain
MorningLight rain+14°feels +14°
AfternoonClear sky+14°feels +13°
EveningMainly clear+11°feels +10°
NightLight rain+16°feels +16°
+16 °Rain

Merthyr, Friday, 9 October

Rain. High 16°C, low 10°C.

Pressure1012 mb
Wind18 mph W
Humidity95%
Visibility2.0 mi
Dew point14°C
Sat, 10+9 ° /12 °0Clear sky
MorningClear sky+9°feels +6°
AfternoonMainly clear+12°feels +11°
EveningPartly cloudy+10°feels +9°
NightClear sky+10°feels +7°
+12 °Clear sky

Merthyr, Saturday, 10 October

Clear sky. High 12°C, low 9°C.

Pressure1014 mb
Wind18 mph W
Humidity66%
Visibility6.2 mi
Dew point6°C
Sun, 11+7 ° /12 °0.2Light rain
MorningMainly clear+8°feels +7°
AfternoonOvercast+12°feels +11°
EveningLight rain+9°feels +8°
NightOvercast+8°feels +6°
+12 °Light rain

Merthyr, Sunday, 11 October

Light rain. High 12°C, low 7°C.

Pressure1015 mb
Wind5 mph W
Humidity69%
Visibility6.2 mi
Dew point7°C
Mon, 12+11 ° /16 °10.9Rain
MorningRain+14°feels +14°
AfternoonRain+16°feels +16°
EveningRain+15°feels +16°
NightRain+14°feels +14°
+16 °Rain

Merthyr, Monday, 12 October

Rain. High 16°C, low 11°C.

Pressure1010 mb
Wind15 mph SE
Humidity99%
Visibility—
Dew point15°C
Tue, 13+10 ° /16 °7.3Rain
MorningRain+15°feels +15°
AfternoonRain+14°feels +14°
EveningRain+11°feels +10°
NightRain+11°feels +11°
+16 °Rain

Merthyr, Tuesday, 13 October

Rain. High 16°C, low 10°C.

Pressure1022 mb
Wind19 mph SW
Humidity68%
Visibility—
Dew point9°C
Wed, 14+10 ° /15 °0Clear sky
MorningClear sky+12°feels +11°
AfternoonClear sky+15°feels +14°
EveningClear sky+12°feels +11°
NightClear sky+12°feels +11°
+15 °Clear sky

Merthyr, Wednesday, 14 October

Clear sky. High 15°C, low 10°C.

Pressure1030 mb
Wind13 mph SW
Humidity72%
Visibility—
Dew point10°C
Thu, 15+8 ° /15 °1.2Light rain
MorningLight rain+13°feels +13°
AfternoonLight rain+14°feels +13°
EveningLight rain+9°feels +7°
NightLight rain+9°feels +7°
+15 °Light rain

Merthyr, Thursday, 15 October

Light rain. High 15°C, low 8°C.

Pressure1019 mb
Wind19 mph S
Humidity96%
Visibility—
Dew point14°C
Fri, 16+7 ° /12 °0Overcast
MorningOvercast+8°feels +8°
AfternoonOvercast+11°feels +10°
EveningOvercast+8°feels +8°
NightOvercast+8°feels +6°
+12 °Overcast

Merthyr, Friday, 16 October

Overcast. High 12°C, low 7°C.

Pressure1026 mb
Wind11 mph SE
Humidity64%
Visibility—
Dew point4°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.