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
| 22 December 2025 Monday 10.2 ° C / 50.4°F  Overcast |
Feels Like : 7.2 ° C / 45°F Humidity : % 94 Pressure : 1000 mb Wind Speed : 24.5 kmph / 15.2 miles from E  Visibility : 10 km Precipitation (rainfall) : 0.14 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday |  Patchy rain nearby |
5.1 ° C | 8.4 ° C | 7.2 ° C | % 93 | 96% | 0.1 | Sunrise:08:22 AM Sunset: 04:05 PM |
Moonrise:10:33 AM Moonset: 06:12 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
3.8 ° C | 6.5 ° C | 5.7 ° C | % 90 | 89% | 0.1 | Sunrise:08:23 AM Sunset: 04:06 PM |
Moonrise:10:53 AM Moonset: 07:31 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Partly Cloudy |
0.8 ° C | 3.8 ° C | 2.8 ° C | % 85 | 0% | 0.1 | Sunrise:08:23 AM Sunset: 04:07 PM |
Moonrise:11:09 AM Moonset: 08:49 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Partly Cloudy |
0 ° C | 2.6 ° C | 0.8 ° C | % 85 | 0% | 0.1 | Sunrise:08:23 AM Sunset: 04:07 PM |
Moonrise:11:22 AM Moonset: 10:08 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Sunny |
-0.4 ° C | 2.8 ° C | 0.4 ° C | % 84 | 0% | 0.1 | Sunrise:08:24 AM Sunset: 04:08 PM |
Moonrise:11:33 AM Moonset: 11:28 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
0.8 ° C | 3.6 ° C | 2.7 ° C | % 87 | 0% | 2 | Sunrise:08:24 AM Sunset: 04:09 PM |
Moonrise:11:43 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
1.1 ° C | 4.6 ° C | 2.2 ° C | % 87 | 0% | 2 | Sunrise:08:24 AM Sunset: 04:10 PM |
Moonrise:11:55 AM Moonset: 12:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-0.3 ° C | 7 ° C | 2.7 ° C | % 55 | 0% | 2 | Sunrise:08:24 AM Sunset: 04:11 PM |
Moonrise:12:09 PM Moonset: 02:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-0.3 ° C | 4.4 ° C | 1 ° C | % 85 | 0% | 2 | Sunrise:08:24 AM Sunset: 04:11 PM |
Moonrise:12:27 PM Moonset: 03:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
-0.3 ° C | 4.9 ° C | 2.5 ° C | % 91 | 0% | 1 | Sunrise:08:24 AM Sunset: 04:12 PM |
Moonrise:12:54 PM Moonset: 05:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Patchy rain nearby |
1.7 ° C | 4.8 ° C | 3.3 ° C | % 80 | 83% | 1 | Sunrise:08:24 AM Sunset: 04:13 PM |
Moonrise:01:36 PM Moonset: 06:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Partly Cloudy |
-1.2 ° C | 2.8 ° C | 0.8 ° C | % 84 | 0% | 2 | Sunrise:08:24 AM Sunset: 04:15 PM |
Moonrise:02:37 PM Moonset: 08:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Patchy rain nearby |
-0.4 ° C | 3.8 ° C | 2.1 ° C | % 79 | 87% | 1 | Sunrise:08:24 AM Sunset: 04:16 PM |
Moonrise:03:58 PM Moonset: 09:03 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Sunny |
-2.8 ° C | 1.7 ° C | -0.9 ° C | % 78 | 0% | 2 | Sunrise:08:23 AM Sunset: 04:17 PM |
Moonrise:05:30 PM Moonset: 09:40 AM Moon Phase ( Waning Gibbous ) |
|
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