Sarn 14-Day Forecast
Gwynedd, Wales
Sarn Outlook (Next 14 Days)
a comfortable feel sets the tone in Sarn today, with spells of rain interspersed with drier intervals. away from the coast, temperatures may vary more widely. Overall it reads as a day with a breeze sometimes freshening the feel.
For Sarn, a changeable pattern overall is the clearest steer, with alternating spells and comfortable temperatures overall over the next fortnight. Small shifts in the pressure pattern can move features around, so day-to-day refinements are normal. The charts show the clearest signal of how the pattern shifts, with the daily table adding the practical day-by-day context. 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 | 13°C | 11°C | Patchy rain nearby | 49 km/h | 84% | 85% | 10 km | 4 | 04:57 AM | 09:36 PM |
| Fri, 5 Jun | 12°C | 9°C | Patchy rain nearby | 37 km/h | 73% | 76% | 10 km | 6 | 04:56 AM | 09:37 PM |
| Sat, 6 Jun | 14°C | 11°C | Patchy rain nearby | 53 km/h | 91% | 83% | 9 km | 4 | 04:55 AM | 09:38 PM |
| Sun, 7 Jun | 12°C | 10°C | Moderate rain | 49 km/h | 94% | 87% | 9 km | 5 | 04:55 AM | 09:39 PM |
| Mon, 8 Jun | 12°C | 10°C | Moderate rain | 52 km/h | 93% | 84% | 10 km | 3 | 04:54 AM | 09:40 PM |
| Tue, 9 Jun | 12°C | 11°C | Patchy rain nearby | 47 km/h | 73% | 84% | 10 km | 3 | 04:54 AM | 09:41 PM |
| Wed, 10 Jun | 13°C | 12°C | Patchy rain nearby | 49 km/h | 73% | 89% | 10 km | 3 | 04:54 AM | 09:41 PM |
| Thu, 11 Jun | 13°C | 11°C | Patchy rain nearby | 25 km/h | 73% | 78% | 9 km | 3 | 04:53 AM | 09:42 PM |
| Fri, 12 Jun | 17°C | 15°C | Partly Cloudy | 14 km/h | 6% | 81% | 10 km | 5 | 04:53 AM | 09:43 PM |
| Sat, 13 Jun | 19°C | 17°C | Cloudy | 15 km/h | 16% | 82% | 10 km | 4 | 04:53 AM | 09:44 PM |
| Sun, 14 Jun | 17°C | 16°C | Partly Cloudy | 15 km/h | 11% | 92% | 10 km | 5 | 04:52 AM | 09:44 PM |
| Mon, 15 Jun | 18°C | 15°C | Sunny | 12 km/h | 7% | 86% | 8 km | 5 | 04:52 AM | 09:45 PM |
| Tue, 16 Jun | 17°C | 16°C | Sunny | 25 km/h | 6% | 88% | 10 km | 5 | 04:52 AM | 09:45 PM |
| Wed, 17 Jun | 13°C | 11°C | Sunny | 31 km/h | 6% | 83% | 10 km | 4 | 04:52 AM | 09:46 PM |
Temperature Trend
Rain Probability
Wind Speed
UV Index
Forecast context and reference links
When forecasts change between updates, it is commonly driven by small shifts in storm track or blocking position. The links below give stable context that helps you read those changes.
- 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 14-day weather forecast for Sarn?
Over the next 14 days in Sarn, the day-to-day pattern is led most often by Patchy rain nearby as the headline condition. Temperatures trend a little higher later in the period. Typical range: highs up to 19°C, lows down to 9°C. Rain-risk signal: 94% at peak (8 higher-risk days). Wind: a windiest-day signal around 53 km/h. UV: peaks around 6 on brighter days. Confidence is highest early on; later in the period, look for the trend and regime rather than hour-by-hour precision.
How accurate is the 14-day forecast for Sarn?
Short-range detail is usually strongest early on. Later in the period, the forecast is best read as a trend signal: direction of temperatures, how changeable it looks, and whether winds/rain are more likely to feature.
Can I see hour-by-hour detail for Sarn today?
Yes — near-term hourly detail is available for today, alongside day-by-day summaries across the full 14-day window. Use the hourly view for timing windows; use the daily table for the broader run of weather.
How do temperatures change in Sarn across the next 14 days?
The broader temperature signal for Sarn is: Temperatures trend a little higher later in the period. The chart gives the best read of whether that drift is meaningful or just day-to-day noise.
What does the ‘headline condition’ mean in the Sarn forecast?
It’s a top-line description of what is most likely to characterise the day. In the UK, the detail can move around, so the charts help show whether it is a brief spell or a more persistent feature.