Merthyr Dyfan Weather Forecast 15 Days, Weather in Merthyr Dyfan Today
Current weather conditions and 15 day weather forecast for Merthyr Dyfan, Wales, UK including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Merthyr Dyfan
| 27 June 2026 Saturday 19.4 ° C / 66.9°F  Partly Cloudy |
Feels Like : 19.4 ° C / 66.9°F Humidity : % 83 Pressure : 1014 mb Wind Speed : 15.8 kmph / 9.8 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
15 day weather forecast for Merthyr Dyfan, Wales, UK
Weather Forecast for next 15 Days for Merthyr Dyfan including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is your temperature trend for the next 15 Days. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 27 June 2026 Saturday |  Sunny |
15.1 ° C | 22.6 ° C | 18.6 ° C | % 81 | 59% | 7 | Sunrise:04:58 AM Sunset: 09:33 PM |
Moonrise:08:27 PM Moonset: 02:30 AM Moon Phase ( Full Moon ) |
|
| 28 June 2026 Sunday |  Patchy rain nearby |
12.8 ° C | 17.1 ° C | 16 ° C | % 81 | 39% | 6.8 | Sunrise:04:59 AM Sunset: 09:33 PM |
Moonrise:09:23 PM Moonset: 03:10 AM Moon Phase ( Full Moon ) |
|
| 29 June 2026 Monday | Sunny |
12.1 ° C | 17.5 ° C | 14.9 ° C | % 79 | 15% | 7.2 | Sunrise:04:59 AM Sunset: 09:33 PM |
Moonrise:10:07 PM Moonset: 04:02 AM Moon Phase ( Full Moon ) |
|
| 30 June 2026 Tuesday | Sunny |
12.9 ° C | 18.7 ° C | 16 ° C | % 79 | 43% | 4.7 | Sunrise:05:00 AM Sunset: 09:33 PM |
Moonrise:10:38 PM Moonset: 05:05 AM Moon Phase ( Full Moon ) |
|
| 01 July 2026 Wednesday | Partly Cloudy |
13.5 ° C | 17.3 ° C | 15.5 ° C | % 87 | 28% | 6 | Sunrise:05:00 AM Sunset: 09:33 PM |
Moonrise:11:01 PM Moonset: 06:16 AM Moon Phase ( Waning Gibbous ) |
|
| 02 July 2026 Thursday | Patchy rain nearby |
13.6 ° C | 18.8 ° C | 16.6 ° C | % 88 | 64% | 5 | Sunrise:05:01 AM Sunset: 09:32 PM |
Moonrise:11:18 PM Moonset: 07:28 AM Moon Phase ( Waning Gibbous ) |
|
| 03 July 2026 Friday | Sunny |
12.1 ° C | 18.7 ° C | 15.4 ° C | % 71 | 6% | 5 | Sunrise:05:02 AM Sunset: 09:32 PM |
Moonrise:11:31 PM Moonset: 08:41 AM Moon Phase ( Waning Gibbous ) |
|
| 04 July 2026 Saturday | Sunny |
11.1 ° C | 18.4 ° C | 15.3 ° C | % 71 | 6% | 5 | Sunrise:05:03 AM Sunset: 09:31 PM |
Moonrise:11:42 PM Moonset: 09:52 AM Moon Phase ( Waning Gibbous ) |
|
| 05 July 2026 Sunday | Partly Cloudy |
14.1 ° C | 20.2 ° C | 17.2 ° C | % 72 | 9% | 6 | Sunrise:05:03 AM Sunset: 09:31 PM |
Moonrise:11:53 PM Moonset: 11:03 AM Moon Phase ( Last Quarter ) |
|
| 06 July 2026 Monday | Sunny |
12.4 ° C | 21.6 ° C | 17.3 ° C | % 72 | 7% | 6 | Sunrise:05:04 AM Sunset: 09:30 PM |
Moonrise:Does not rise today Moonset: 12:14 PM Moon Phase ( Last Quarter ) |
|
| 07 July 2026 Tuesday | Sunny |
13.7 ° C | 23.1 ° C | 18.3 ° C | % 69 | 7% | 6 | Sunrise:05:05 AM Sunset: 09:30 PM |
Moonrise:12:04 AM Moonset: 01:27 PM Moon Phase ( Last Quarter ) |
|
| 08 July 2026 Wednesday | Sunny |
15.3 ° C | 24.7 ° C | 20.3 ° C | % 57 | 3% | 6 | Sunrise:05:06 AM Sunset: 09:29 PM |
Moonrise:12:15 AM Moonset: 02:43 PM Moon Phase ( Waning Crescent ) |
|
| 09 July 2026 Thursday | Partly Cloudy |
18.6 ° C | 27.9 ° C | 22.8 ° C | % 44 | 3% | 7 | Sunrise:05:07 AM Sunset: 09:29 PM |
Moonrise:12:29 AM Moonset: 04:04 PM Moon Phase ( Waning Crescent ) |
|
| 10 July 2026 Friday | Sunny |
17.1 ° C | 30.3 ° C | 23.9 ° C | % 47 | 1% | 8 | Sunrise:05:08 AM Sunset: 09:28 PM |
Moonrise:12:48 AM Moonset: 05:29 PM Moon Phase ( Waning Crescent ) |
|
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