Weather forecast for this week in Penarth - 24 Aug to 30 Aug
By Mr.Data 24th Aug 2026
Weekly Weather Forecast Overview for Penarth
In Penarth, the upcoming week promises a blend of partly cloudy skies and potential rain showers, a typical scenario for the area. Temperatures will remain comfortable, peaking at 27°C early in the week before gradually descending to around 20°C as we approach the weekend. Humidity levels are expected to climb, culminating in moisture-laden air by the end of the week. Windspeeds fluctuate, with a potentially blustery end to the week. In comparison to previous weeks, this is a further transition towards cooler, more unsettled autumnal weather, suggesting the end of the more consistent summer warmth.
Monday: Expect partly cloudy skies throughout the day with a gentle breeze from the west at 30mph. Temperatures will reach a pleasant high of 25°C, dropping to 13°C at night. Humidity remains moderate at 58%, with no expected precipitation.
Tuesday: The skies will remain overcast, with a significant chance of rain, particularly likely as the day progresses. The mercury could climb to a warm 27°C but prepare for a 61% chance of rain. The low will hover around 13°C with winds at 29mph.
Wednesday: Wednesday brings partly cloudy conditions with an increased likelihood of rain, especially later in the day. Temperatures will range between a high of 25°C and a low of 14°C. Humidity peaks at 72% with a 77% chance of rain. Winds will be milder at 20mph.
Thursday: Another partly cloudy day with sporadic showers anticipated. Maximum temperatures will cool to 24°C, with a low of 14°C overnight. Humidity is expected to climb further to 76%, and precipitation chances increase to 87%. Winds decrease slightly to 16mph.
Friday: Partly cloudy with potential rain showers. The high reaches 22°C with a low of 13°C. The humidity level is forecast at 73%, while precipitation likelihood remains at 74%. Winds will gust up to 26mph.
Saturday: Clouds will gather by the afternoon, leading to rain likely later in the day. Expect cooler temperatures with highs of 20°C and lows at 14°C. Humidity soars to 84%, accompanied by a 58% chance of rain and winds at 29mph.
Sunday: Concluding the week, the day begins with rain and transitions to partly cloudy skies, with temperatures similar to Saturday, maxing out at 20°C with a minimum of 15°C. Humidity levels continue high at 81% and a 55% chance of rain. The day will be breezy, with winds accelerating to 41mph.
Commuting Advice: With showers likely on most days, carrying an umbrella and water-resistant gear is advisable. Plan for slight delays during peak rain periods, particularly on Tuesday, Thursday, and Friday. Windier days towards the weekend might cause minor disruptions especially for cyclists and motorcyclists.
Advice for Weekend Plans: The weekend offers a mixed bag of weather with fluctuating rain chances. Saturday afternoon is likely to see rain, so plan indoor activities or places with adequate shelter. While Sunday could be windy, chances of prolonged rain are low, potentially offering short spells suitable for outdoor pursuits if dressed warmly and equipped for inclement weather.
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