Merthyr Cynog Weather Forecast 15 Days, Weather in Merthyr Cynog Today
Current weather conditions and 15 day weather forecast for Merthyr Cynog, 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 Cynog
| 18 June 2026 Thursday 15.2 ° C / 59.4°F  Mist |
Feels Like : 9.5 ° C / 49.1°F Humidity : % 97 Pressure : 1013 mb Wind Speed : 8.6 kmph / 5.4 miles from S  Visibility : 2 km Precipitation (rainfall) : 0 mm Cloud (%) : 97 |
15 day weather forecast for Merthyr Cynog, Wales, UK
Weather Forecast for next 15 Days for Merthyr Cynog 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 June 2026 Thursday |  Patchy rain nearby |
10 ° C | 19.3 ° C | 15.2 ° C | % 91 | 53% | 5 | Sunrise:04:53 AM Sunset: 09:37 PM |
Moonrise:08:19 AM Moonset: Does not set today Moon Phase ( Waxing Crescent ) |
|
| 19 June 2026 Friday | Patchy rain nearby |
14.8 ° C | 19.7 ° C | 16.4 ° C | % 91 | 65% | 6 | Sunrise:04:53 AM Sunset: 09:37 PM |
Moonrise:09:52 AM Moonset: 12:16 AM Moon Phase ( Waxing Crescent ) |
|
| 20 June 2026 Saturday | Patchy rain nearby |
11 ° C | 18.7 ° C | 15.5 ° C | % 82 | 61% | 6 | Sunrise:04:53 AM Sunset: 09:37 PM |
Moonrise:11:20 AM Moonset: 12:33 AM Moon Phase ( First Quarter ) |
|
| 21 June 2026 Sunday | Patchy rain nearby |
8.9 ° C | 23 ° C | 16.5 ° C | % 80 | 45% | 7 | Sunrise:04:53 AM Sunset: 09:37 PM |
Moonrise:12:45 PM Moonset: 12:46 AM Moon Phase ( First Quarter ) |
|
| 22 June 2026 Monday | Patchy rain nearby |
14.2 ° C | 25.8 ° C | 19.9 ° C | % 84 | 25% | 7 | Sunrise:04:53 AM Sunset: 09:38 PM |
Moonrise:02:06 PM Moonset: 12:57 AM Moon Phase ( First Quarter ) |
|
| 23 June 2026 Tuesday |  Sunny |
16 ° C | 26.5 ° C | 20.5 ° C | % 82 | 10% | 6 | Sunrise:04:54 AM Sunset: 09:38 PM |
Moonrise:03:27 PM Moonset: 01:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 June 2026 Wednesday | Sunny |
15.7 ° C | 27.8 ° C | 21.8 ° C | % 73 | 10% | 6 | Sunrise:04:54 AM Sunset: 09:38 PM |
Moonrise:04:47 PM Moonset: 01:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 June 2026 Thursday | Sunny |
16.2 ° C | 28.6 ° C | 22.5 ° C | % 72 | 6% | 6 | Sunrise:04:54 AM Sunset: 09:38 PM |
Moonrise:06:06 PM Moonset: 01:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 June 2026 Friday | Sunny |
18.4 ° C | 30.9 ° C | 24.5 ° C | % 61 | 4% | 6 | Sunrise:04:55 AM Sunset: 09:38 PM |
Moonrise:07:23 PM Moonset: 01:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 June 2026 Saturday | Patchy rain nearby |
17 ° C | 32.1 ° C | 22.5 ° C | % 70 | 23% | 5 | Sunrise:04:55 AM Sunset: 09:38 PM |
Moonrise:08:32 PM Moonset: 02:27 AM Moon Phase ( Full Moon ) |
|
| 28 June 2026 Sunday | Patchy rain nearby |
16.7 ° C | 22.5 ° C | 19.3 ° C | % 90 | 77% | 4 | Sunrise:04:56 AM Sunset: 09:38 PM |
Moonrise:09:29 PM Moonset: 03:06 AM Moon Phase ( Full Moon ) |
|
| 29 June 2026 Monday | Patchy rain nearby |
14.5 ° C | 19.3 ° C | 17.1 ° C | % 93 | 86% | 4 | Sunrise:04:57 AM Sunset: 09:37 PM |
Moonrise:10:12 PM Moonset: 03:58 AM Moon Phase ( Full Moon ) |
|
| 30 June 2026 Tuesday | Patchy rain nearby |
13.4 ° C | 17 ° C | 14.6 ° C | % 94 | 79% | 3 | Sunrise:04:57 AM Sunset: 09:37 PM |
Moonrise:10:42 PM Moonset: 05:02 AM Moon Phase ( Full Moon ) |
|
| 01 July 2026 Wednesday | Patchy rain nearby |
12.1 ° C | 13.8 ° C | 13.2 ° C | % 98 | 90% | 3 | Sunrise:04:58 AM Sunset: 09:37 PM |
Moonrise:11:04 PM Moonset: 06:13 AM Moon Phase ( Waning Gibbous ) |
|
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