Nant-y-Bai Weather Forecast 15 Days, Weather in Nant-y-Bai Today
Current weather conditions and 15 day weather forecast for Nant-y-Bai, 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 Nant-y-Bai
| 05 December 2025 Friday 9.3 ° C / 48.7°F  Light rain |
Feels Like : 5.5 ° C / 41.8°F Humidity : % 87 Pressure : 996 mb Wind Speed : 32.8 kmph / 20.4 miles from SSE  Visibility : 10 km Precipitation (rainfall) : 0.06 mm Cloud (%) : 100 |
15 day weather forecast for Nant-y-Bai, Wales, UK
Weather Forecast for next 15 Days for Nant-y-Bai 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday |  Moderate rain |
1.1 ° C | 6.6 ° C | 4.7 ° C | % 92 | 96% | 0.1 | Sunrise:08:07 AM Sunset: 04:04 PM |
Moonrise:03:54 PM Moonset: 09:21 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Moderate rain |
6.4 ° C | 8.5 ° C | 7.7 ° C | % 93 | 92% | 0 | Sunrise:08:09 AM Sunset: 04:04 PM |
Moonrise:05:07 PM Moonset: 10:28 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday | Moderate rain |
4.7 ° C | 10.6 ° C | 7.3 ° C | % 96 | 88% | 0 | Sunrise:08:10 AM Sunset: 04:04 PM |
Moonrise:06:34 PM Moonset: 11:14 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Patchy rain nearby |
4.6 ° C | 9.1 ° C | 7.3 ° C | % 95 | 88% | 0 | Sunrise:08:11 AM Sunset: 04:03 PM |
Moonrise:08:04 PM Moonset: 11:43 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Heavy rain |
7.2 ° C | 11.4 ° C | 9.8 ° C | % 96 | 65% | 0 | Sunrise:08:12 AM Sunset: 04:03 PM |
Moonrise:09:31 PM Moonset: 12:02 PM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Patchy rain nearby |
7 ° C | 8.9 ° C | 7.9 ° C | % 91 | 89% | 2 | Sunrise:08:13 AM Sunset: 04:03 PM |
Moonrise:10:51 PM Moonset: 12:16 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Patchy rain nearby |
7.6 ° C | 10.1 ° C | 8.6 ° C | % 92 | 81% | 2 | Sunrise:08:14 AM Sunset: 04:03 PM |
Moonrise:No moonrise Moonset: 12:27 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Patchy rain nearby |
8 ° C | 9.6 ° C | 8.9 ° C | % 88 | 86% | 2 | Sunrise:08:15 AM Sunset: 04:03 PM |
Moonrise:12:08 AM Moonset: 12:37 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Patchy rain nearby |
7.4 ° C | 8.3 ° C | 7.9 ° C | % 89 | 89% | 2 | Sunrise:08:16 AM Sunset: 04:03 PM |
Moonrise:01:21 AM Moonset: 12:47 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Patchy rain nearby |
6.5 ° C | 9.3 ° C | 7.9 ° C | % 91 | 83% | 2 | Sunrise:08:17 AM Sunset: 04:03 PM |
Moonrise:02:33 AM Moonset: 12:57 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Patchy rain nearby |
3.4 ° C | 11.1 ° C | 6.6 ° C | % 94 | 82% | 2 | Sunrise:08:18 AM Sunset: 04:03 PM |
Moonrise:03:46 AM Moonset: 01:09 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Patchy rain nearby |
4.6 ° C | 11.4 ° C | 8.7 ° C | % 97 | 82% | 2 | Sunrise:08:19 AM Sunset: 04:03 PM |
Moonrise:05:00 AM Moonset: 01:24 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Patchy rain nearby |
10.5 ° C | 12.1 ° C | 11.6 ° C | % 97 | 84% | 3 | Sunrise:08:19 AM Sunset: 04:03 PM |
Moonrise:06:14 AM Moonset: 01:45 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Patchy rain nearby |
5.7 ° C | 9.4 ° C | 8.4 ° C | % 90 | 88% | 2 | Sunrise:08:20 AM Sunset: 04:04 PM |
Moonrise:07:26 AM Moonset: 02:13 PM Moon Phase ( Waning Crescent ) |
|
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