Nefyn 14-Day Forecast
Gwynedd, Wales
Nefyn Outlook (Next 14 Days)
A breeze is likely to be part of the day in Nefyn, with a mixture of dry spells and showery interludes at times. In some places, sheltered valleys may see fog patches forming. Temperatures sit pleasant overall.
Taken as a whole, Nefyn continues with a changeable pattern overall, with alternating spells and pleasant temperatures overall. For planning, use the visual trends first, then the daily breakdown for the most workable detail. Small shifts in the pressure pattern can move features around, so day-to-day refinements are normal. Near-term detail is typically the most reliable, while later stages focus on the broader direction of travel.
Daily Forecast
| Date | High | Low | Condition | Wind | Rain % | Humidity | Visibility | UV | Sunrise | Sunset |
|---|---|---|---|---|---|---|---|---|---|---|
| Thu, 4 Jun | 14°C | 12°C | Patchy rain nearby | 46 km/h | 87% | 86% | 9 km | 5 | 04:56 AM | 09:36 PM |
| Fri, 5 Jun | 13°C | 10°C | Patchy rain nearby | 36 km/h | 73% | 76% | 10 km | 6 | 04:55 AM | 09:37 PM |
| Sat, 6 Jun | 14°C | 11°C | Patchy rain nearby | 48 km/h | 90% | 84% | 8 km | 4 | 04:54 AM | 09:38 PM |
| Sun, 7 Jun | 13°C | 11°C | Moderate rain | 47 km/h | 94% | 87% | 8 km | 5 | 04:54 AM | 09:39 PM |
| Mon, 8 Jun | 13°C | 11°C | Moderate rain | 50 km/h | 93% | 85% | 9 km | 3 | 04:53 AM | 09:40 PM |
| Tue, 9 Jun | 13°C | 12°C | Patchy rain nearby | 44 km/h | 73% | 84% | 9 km | 3 | 04:53 AM | 09:41 PM |
| Wed, 10 Jun | 14°C | 13°C | Patchy rain nearby | 46 km/h | 73% | 88% | 10 km | 3 | 04:52 AM | 09:41 PM |
| Thu, 11 Jun | 14°C | 12°C | Patchy rain nearby | 21 km/h | 73% | 79% | 9 km | 3 | 04:52 AM | 09:42 PM |
| Fri, 12 Jun | 17°C | 13°C | Partly Cloudy | 9 km/h | 6% | 80% | 10 km | 5 | 04:52 AM | 09:43 PM |
| Sat, 13 Jun | 19°C | 16°C | Partly Cloudy | 8 km/h | 14% | 82% | 10 km | 5 | 04:52 AM | 09:44 PM |
| Sun, 14 Jun | 17°C | 15°C | Partly Cloudy | 17 km/h | 10% | 89% | 10 km | 5 | 04:51 AM | 09:44 PM |
| Mon, 15 Jun | 16°C | 14°C | Sunny | 10 km/h | 8% | 87% | 8 km | 5 | 04:51 AM | 09:45 PM |
| Tue, 16 Jun | 17°C | 15°C | Sunny | 24 km/h | 5% | 85% | 10 km | 5 | 04:51 AM | 09:45 PM |
| Wed, 17 Jun | 14°C | 12°C | Sunny | 29 km/h | 6% | 84% | 10 km | 4 | 04:51 AM | 09:46 PM |
Temperature Trend
Rain Probability
Wind Speed
UV Index
Forecast context and reference links
Forecast charts summarise likely conditions, but day-to-day outcomes in the UK often depend on how the larger pressure pattern evolves. Use the context links below to interpret the signal more reliably.
- Wales Climate for regional patterns and seasonal tendencies.
- UK Climate Overview for a national baseline and how regions compare.
- Wales for location browsing and regional navigation.
How to interpret confidence
For how forecast reliability changes with lead time, see Forecast Confidence. For transparency on how WeatherEngland sources and updates data, see Methodology.
Background guides
- UK Weather Patterns
- UK Seasonal Weather
- UK Weather Hazards
- UK Weather Safety
- UK Jet Stream
- UK Microclimates
Glossary support
Start with the Weather Glossary. Useful terms for this page include Jet Stream, Air Mass, Zonal Flow, Atmospheric Blocking, Weather Front, and Pressure Trend.
FAQ
What is the outlook for Nefyn over the next 14 days?
The 14-day guidance for Nefyn points to Patchy rain nearby featuring frequently, with day-to-day details changing as systems move through. Temperatures hold fairly steady overall. Typical range: highs up to 19°C, lows down to 10°C. Rain-risk signal: 94% at peak (8 higher-risk days). Wind: a windiest-day signal around 50 km/h. UV: peaks around 6 on brighter days. Use days 1–5 for practical planning; beyond that, treat it as guidance on the broader direction.
How reliable is the two-week outlook for Nefyn?
In UK conditions, day-to-day details can shift as Atlantic systems wobble north or south. Treat the first few days as planning-grade, and the second week as guidance on the broader pattern.
Does the Nefyn forecast include hourly weather today?
Yes. The page includes hourly detail for the immediate period and a daily breakdown for the wider outlook. Hourly precision drops off faster than daily trends, so keep an eye on updates.
Are temperatures rising or falling in Nefyn over the next 14 days?
Across the next two weeks in Nefyn, Temperatures hold fairly steady overall. The clearest signal is in the highs/lows chart: look for whether the lines drift up, down, or stay broadly level.
What does the ‘headline condition’ mean in the Nefyn forecast?
It is the day’s most likely overall weather type (for example, rain, cloud or sunshine) based on the dominant signal. Short-lived changes can still occur, so use the daily table and charts to see wind peaks and rain-risk windows.