Ten-day forecast for Merthyr Vale / Ynysowen: +5° to +16°, with rain expected on 6 days. The table below breaks each day down by time of day — morning, afternoon, evening and night.
+13°
Best day: 11 October, Sunday
+15° · 8.5 mm
Worst day: 9 October, Friday
Tap any day below to see the weather morning, afternoon, evening and night.
Fri, 09+10 ° /15 °8.5
Morning+15°feels +15°
Afternoon+15°feels +15°
Evening+11°feels +11°
Night+15°feels +15°
+15 °
Merthyr Vale / Ynysowen, Friday, 9 October
Rain. High 15°C, low 10°C.
Pressure1011 mb
Wind19 mph W
Humidity98%
Visibility1.7 mi
Dew point14°C
Sat, 10+8 ° /12 °0
Morning+8°feels +6°
Afternoon+12°feels +11°
Evening+10°feels +8°
Night+9°feels +6°
+12 °
Merthyr Vale / Ynysowen, Saturday, 10 October
Overcast. High 12°C, low 8°C.
Pressure1015 mb
Wind16 mph W
Humidity65%
Visibility6.2 mi
Dew point5°C
Sun, 11+7 ° /13 °0
Morning+7°feels +6°
Afternoon+13°feels +12°
Evening+10°feels +8°
Night+8°feels +6°
+13 °
Merthyr Vale / Ynysowen, Sunday, 11 October
Overcast. High 13°C, low 7°C.
Pressure1014 mb
Wind5 mph W
Humidity70%
Visibility6.2 mi
Dew point6°C
Mon, 12+10 ° /16 °6
Morning+13°feels +13°
Afternoon+16°feels +16°
Evening+15°feels +15°
Night+11°feels +11°
+16 °
Merthyr Vale / Ynysowen, Monday, 12 October
Light rain. High 16°C, low 10°C.
Pressure1013 mb
Wind12 mph S
Humidity99%
Visibility1.1 mi
Dew point15°C
Tue, 13+11 ° /16 °7.4
Morning+16°feels +16°
Afternoon+16°feels +16°
Evening+12°feels +12°
Night+12°feels +11°
+16 °
Merthyr Vale / Ynysowen, Tuesday, 13 October
Light rain. High 16°C, low 11°C.
Pressure1019 mb
Wind16 mph SW
Humidity98%
Visibility—
Dew point16°C
Wed, 14+10 ° /16 °3.8
Morning+13°feels +12°
Afternoon+15°feels +15°
Evening+13°feels +12°
Night+10°feels +8°
+16 °
Merthyr Vale / Ynysowen, Wednesday, 14 October
Rain. High 16°C, low 10°C.
Pressure1020 mb
Wind19 mph SW
Humidity69%
Visibility—
Dew point10°C
Thu, 15+5 ° /12 °0
Morning+7°feels +6°
Afternoon+12°feels +10°
Evening+8°feels +5°
Night+6°feels +5°
+12 °
Merthyr Vale / Ynysowen, Thursday, 15 October
Clear sky. High 12°C, low 5°C.
Pressure1021 mb
Wind17 mph W
Humidity60%
Visibility—
Dew point4°C
Fri, 16+5 ° /10 °4.6
Morning+7°feels +6°
Afternoon+10°feels +9°
Evening+9°feels +8°
Night+9°feels +8°
+10 °
Merthyr Vale / Ynysowen, Friday, 16 October
Light rain. High 10°C, low 5°C.
Pressure1023 mb
Wind5 mph E
Humidity83%
Visibility—
Dew point6°C
Sat, 17+8 ° /12 °0.9
Morning+9°feels +8°
Afternoon+11°feels +10°
Evening+11°feels +10°
Night+10°feels +9°
+12 °
Merthyr Vale / Ynysowen, Saturday, 17 October
Light rain. High 12°C, low 8°C.
Pressure1022 mb
Wind7 mph E
Humidity72%
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 Vale / Ynysowen 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.