Saint Mellons 14-Day Forecast
Cardiff, Wales
Saint Mellons Outlook (Next 14 Days)
For Saint Mellons today, frequent showers looks set to shape much of the feel. Small local contrasts are possible: In some places, sheltered valleys may see fog patches forming. a pleasant feel sits underneath. Breezes are possible at times, taking the edge off brighter intervals and lifting the sense of changeability.
Saint Mellons broadly tracks an unsettled pattern overall, with showers returning at times and pleasant temperatures overall across the coming fortnight. As the wider pattern evolves, the detail can adjust between updates, even when the overall direction stays the same. For planning, use the visual trends first, then the daily breakdown for the most workable detail. Confidence is naturally strongest in the nearer days; later on, treat it as a guide to the prevailing theme rather than exact timing.
Daily Forecast
| Date | High | Low | Condition | Wind | Rain % | Humidity | Visibility | UV | Sunrise | Sunset |
|---|---|---|---|---|---|---|---|---|---|---|
| Thu, 4 Jun | 16°C | 12°C | Patchy rain nearby | 38 km/h | 83% | 82% | 9 km | 6 | 04:58 AM | 09:23 PM |
| Fri, 5 Jun | 15°C | 9°C | Patchy rain nearby | 25 km/h | 73% | 74% | 10 km | 6 | 04:57 AM | 09:23 PM |
| Sat, 6 Jun | 16°C | 11°C | Moderate rain | 40 km/h | 93% | 86% | 9 km | 2 | 04:57 AM | 09:24 PM |
| Sun, 7 Jun | 16°C | 10°C | Patchy rain nearby | 22 km/h | 80% | 85% | 10 km | 5 | 04:56 AM | 09:25 PM |
| Mon, 8 Jun | 15°C | 11°C | Heavy rain | 40 km/h | 94% | 87% | 9 km | 3 | 04:56 AM | 09:26 PM |
| Tue, 9 Jun | 15°C | 9°C | Patchy rain nearby | 31 km/h | 73% | 75% | 10 km | 3 | 04:55 AM | 09:27 PM |
| Wed, 10 Jun | 16°C | 11°C | Patchy rain nearby | 41 km/h | 86% | 88% | 9 km | 3 | 04:55 AM | 09:28 PM |
| Thu, 11 Jun | 16°C | 10°C | Patchy rain nearby | 24 km/h | 73% | 80% | 10 km | 3 | 04:55 AM | 09:28 PM |
| Fri, 12 Jun | 16°C | 11°C | Patchy rain nearby | 32 km/h | 73% | 80% | 10 km | 3 | 04:54 AM | 09:29 PM |
| Sat, 13 Jun | 17°C | 10°C | Patchy rain nearby | 33 km/h | 74% | 80% | 10 km | 3 | 04:54 AM | 09:30 PM |
| Sun, 14 Jun | 15°C | 12°C | Patchy rain nearby | 37 km/h | 73% | 83% | 10 km | 3 | 04:54 AM | 09:30 PM |
| Mon, 15 Jun | 18°C | 9°C | Sunny | 19 km/h | 3% | 76% | 10 km | 4 | 04:54 AM | 09:31 PM |
| Tue, 16 Jun | 13°C | 10°C | Moderate rain | 26 km/h | 94% | 89% | 7 km | 3 | 04:54 AM | 09:31 PM |
| Wed, 17 Jun | 15°C | 14°C | Patchy rain nearby | 22 km/h | 96% | 96% | 8 km | 3 | 04:54 AM | 09:32 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 Saint Mellons over the next 14 days?
The 14-day guidance for Saint Mellons 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 18°C, lows down to 9°C. Rain-risk signal: 96% at peak (13 higher-risk days). Wind: a windiest-day signal around 41 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 Saint Mellons?
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 Saint Mellons 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 Saint Mellons over the next 14 days?
Across the next two weeks in Saint Mellons, 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 Saint Mellons 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.