Today's weather in Penarth - 4 October
By Mr.Data 4th Oct 2025
By Mr.Data 4th Oct 2025

Penarth Weather Forecast
Saturday Overview: Expect a dynamic weather day in Penarth this Saturday. The day will be predominantly partly cloudy, with intermittent rains expected throughout. Temperatures will be mild but brisk winds and high humidity will contribute to a cool day.
Detailed Weather Analysis: The day in Penarth will start with a partly cloudy morning. Clouds will be a consistent feature of the day, offering sporadic breaks that may let in brief moments of sunshine. The temperature will peak at around 15°C, with a minimum of 12°C, which is comfortable yet a bit cool considering the saturated air.
Humidity levels will be moderate at 69%, meaning that while it won't be overly humid, the air will still carry a significant amount of moisture, augmenting the cool temperature sensation. Rain is highly likely throughout the day, with a 100% chance of precipitation. Residents should be prepared for showers at any time, as the drizzle or rain could start suddenly and be persistent in nature.
Another notable element of Saturday's weather is the anticipated wind speeds reaching up to 54mph. Such high winds will not only make the temperatures feel cooler than they are but could also lead to challenging conditions for outdoor activities. It is advised to plan accordingly to account for heavy gusts which may cause disruptions.
Commuting Advice: Those commuting should account for potentially hazardous conditions due to the combined effects of heavy rain and strong winds. Motorists are advised to exercise caution, maintain safe distances, and reduce speed to accommodate for reduced visibility and wet road surfaces. Pedestrians should be mindful of gusty conditions that can make umbrellas difficult to manage and may increase the risk of falling debris.
Advice for the Day: It is advisable to wear waterproof clothing and sturdy footwear suited for wet conditions if venturing outside. The brisk winds will make it feel colder, so layering clothing will help maintain comfort and warmth. Be prepared for sudden changes in weather, primarily rain showers, by carrying a waterproof jacket or an easily manageable rain poncho. Activities during the day may be best planned indoors, or sheltered outdoor areas, to evade the sporadic rains and strong winds.
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