Llantrisant Weather Forecast 15 Days, Weather in Llantrisant Today
Current weather conditions and 15 day weather forecast for Llantrisant, 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 Llantrisant
| 16 September 2026 Wednesday 12.6 ° C / 54.7°F  Patchy rain nearby |
Feels Like : 9 ° C / 48.2°F Humidity : % 86 Pressure : 1014 mb Wind Speed : 22 kmph / 13.6 miles from WSW  Visibility : 10 km Precipitation (rainfall) : 0.03 mm Cloud (%) : 75 |
15 day weather forecast for Llantrisant, Wales, UK
Weather Forecast for next 15 Days for Llantrisant 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday |  Overcast |
10.8 ° C | 15.4 ° C | 13 ° C | % 76 | 46% | 4 | Sunrise:06:49 AM Sunset: 07:22 PM |
Moonrise:03:04 PM Moonset: 09:42 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Overcast |
9.3 ° C | 15.3 ° C | 12.5 ° C | % 83 | 68% | 3 | Sunrise:06:51 AM Sunset: 07:20 PM |
Moonrise:04:01 PM Moonset: 10:35 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Patchy rain nearby |
13.7 ° C | 18 ° C | 15.4 ° C | % 91 | 89% | 4 | Sunrise:06:53 AM Sunset: 07:17 PM |
Moonrise:04:44 PM Moonset: 11:39 PM Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Overcast |
10.1 ° C | 18 ° C | 13.9 ° C | % 74 | 17% | 5 | Sunrise:06:54 AM Sunset: 07:15 PM |
Moonrise:05:15 PM Moonset: Does not set today Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday |  Sunny |
12.1 ° C | 22.8 ° C | 16.7 ° C | % 75 | 9% | 6 | Sunrise:06:56 AM Sunset: 07:13 PM |
Moonrise:05:37 PM Moonset: 12:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
14.6 ° C | 22.5 ° C | 18.1 ° C | % 76 | 11% | 6 | Sunrise:06:58 AM Sunset: 07:10 PM |
Moonrise:05:54 PM Moonset: 02:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
15.9 ° C | 21.2 ° C | 18.2 ° C | % 70 | 18% | 5 | Sunrise:06:59 AM Sunset: 07:08 PM |
Moonrise:06:07 PM Moonset: 03:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
14.1 ° C | 22.2 ° C | 17.7 ° C | % 73 | 18% | 5 | Sunrise:07:01 AM Sunset: 07:06 PM |
Moonrise:06:18 PM Moonset: 04:27 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
10.6 ° C | 19.5 ° C | 14.3 ° C | % 68 | 9% | 5 | Sunrise:07:02 AM Sunset: 07:03 PM |
Moonrise:06:29 PM Moonset: 05:39 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Sunny |
8.2 ° C | 18.4 ° C | 12.6 ° C | % 66 | 6% | 5 | Sunrise:07:04 AM Sunset: 07:01 PM |
Moonrise:06:39 PM Moonset: 06:51 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
7.4 ° C | 14.9 ° C | 10.5 ° C | % 65 | 13% | 4 | Sunrise:07:06 AM Sunset: 06:59 PM |
Moonrise:06:51 PM Moonset: 08:05 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday |  Cloudy |
7.3 ° C | 14.9 ° C | 11.1 ° C | % 64 | 11% | 4 | Sunrise:07:07 AM Sunset: 06:56 PM |
Moonrise:07:04 PM Moonset: 09:21 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Sunny |
7.9 ° C | 16.2 ° C | 12 ° C | % 65 | 57% | 5 | Sunrise:07:09 AM Sunset: 06:54 PM |
Moonrise:07:22 PM Moonset: 10:40 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday |  Light rain shower |
10.6 ° C | 17 ° C | 13.1 ° C | % 91 | 77% | 5 | Sunrise:07:11 AM Sunset: 06:52 PM |
Moonrise:07:47 PM Moonset: 12:02 PM Moon Phase ( Waning Gibbous ) |
|
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