Weather Saint Mellons
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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Leeds Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Expect a dry and bright morning in Saint Mellons today, with cloud building by the afternoon. The live forecast above shows the current conditions, so check it before heading out.
What will the weather in Saint Mellons be like today?
After a crisp start, cloud will increase from midday, but it should stay dry until the evening. Light winds from the southwest will keep temperatures near the seasonal average. The best of the sunshine will be before lunchtime.
Will it rain in Saint Mellons this week?
Rain is likely by Wednesday night and into Thursday, with a band of showers moving in from the Atlantic. Friday looks brighter but breezier. Keep an eye on the 10 day weather forecast UK for updates.
Is Saint Mellons likely to get frost tonight?
No significant frost is expected tonight. Minimum temperatures should stay above 4°C, with cloud cover helping to trap heat. Check the live forecast above for the latest overnight reading.
How does the weather in Saint Mellons compare to Cardiff city centre?
Saint Mellons tends to be slightly cooler than the city centre, especially on clear nights. It can also be a touch windier due to its more open position near the eastern edge of Cardiff.
Should I water my garden in Saint Mellons today?
No need today. With dry conditions and moderate temperatures, the ground should retain moisture from any recent rain. Wait until after the expected midweek showers to see if watering is needed.
Sources
For other local forecasts, see our UK weather hub or check Bristol Weather and Liverpool Weather.
