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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Public Report weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Expect a day that will feel cool with cloud building from mid-morning; the live forecast above shows temperatures staying below the seasonal average, so a light waterproof jacket is worth bringing if you are heading out in Rumney.
What is the weather like in Rumney today?
The live forecast above indicates a mostly dry start, though cloud will thicken through the late morning and early afternoon. Winds remain light, coming from the northwest at 6–10 mph, so wind chill will not be a major factor. Any isolated drizzle is unlikely to settle, but the cloud cover will keep temperatures from rising much above the single-figure mark. For the wider Bristol region, including the Cardiff Bay area, conditions follow the same pattern: cool and largely grey.
Weather Rumney 10 days – what does the outlook show?
Checking the 10 Day Weather Forecast UK for Rumney, the pattern is dominated by a weak high pressure to the west. This means dry but often cloudy days with occasional brighter spells. Temperatures will hover around 9–11°C during the day, dropping to 4–6°C overnight. Rain is unlikely until the latter part of the period, when a front may push in from the Atlantic. For readers looking at BBC Weather Rumney updates, the trends align with that settled but subdued setup. Those planning ahead for weather Rumney Cardiff activities should note the dry window holds for the next four to five days before conditions become more unsettled.
Is rain expected in Rumney this week?
Rain is not expected for the next four to five days. Cloud will dominate, but any precipitation holds off until later in the 10-day period when an Atlantic front may bring light rain.
How does weather in Rumney compare with the rest of Cardiff?
Rumney sits inland from Cardiff Bay by about three miles, so it tends to be marginally cooler and less breezy than the waterfront. The cloud cover and temperatures are otherwise very similar to central Cardiff.
Will there be fog in Rumney overnight?
Fog is unlikely tonight because the cloud cover will remain thick enough to prevent rapid cooling. Clearer nights later in the week may bring mist patches, especially near the Rhymney River.