Weather forecast for this week in Penarth - 7 Sep to 13 Sep
By Mr.Data 7th Sep 2026
Weekly Weather Summary for Penarth
The week in Penarth carries a predominantly cloudy and rainy outlook, reminiscent of a typical British autumn. Rain is expected during several days, predominantly in the afternoons and mornings. Temperatures remain mild, with highs ranging between 17°C and 19°C, and lows between 10°C and 16°C. Winds fluctuate between 18mph to 30mph, adding a brisk touch to the week's weather, while humidity levels remain consistently high.
Daily Forecasts
Monday: Residents will experience cloudy skies throughout the day, leading to rain in the late afternoon. Temperatures will hover between 16°C and 18°C, with a strong windspeed of 26mph amplifying the 100% chance of precipitation. Humidity is at a high of 81%.
Tuesday: The weather starts with rain but will gradually clear in the afternoon. The mercury will stay between 14°C and 17°C with high winds reaching 30mph. As cloud cover reduces, residents can expect declining humidity around 75% by the evening.
Wednesday: A much drier day with partly cloudy conditions will be observed throughout. A more comfortable temperature range from 12°C to 18°C is forecasted, while the chance of rain drops significantly to 26%. Winds moderate to 21mph. Humidity stands at 71%.
Thursday: Cloudy skies will dominate, with rain expected in the late afternoon. Temperatures stabilise between 10°C and 18°C. A windspeed of 23mph complements an 84% chance of precipitation. Humidity remains relatively high at 78%.
Friday: The day will see early morning rain with partly cloudy conditions later. Temperatures will range from 12°C to 19°C, with a breeze of 18mph and the same 84% chance of precipitation as Thursday. Humidity is expected to be 78%.
Saturday: Forecast mirrors Friday with partly cloudy skies and late afternoon rain, and a temperature span of 10°C to 18°C. The wind will pick up to 26mph, with precipitation expected at 74% and humidity at 82%.
Sunday: Similarly to prior days, partly cloudy conditions are projected with rain likely in the early morning. Temperatures will range from 15°C to 19°C. The wind continues robustly at 30mph, with a 74% chance of rain persisting and an elevated 84% humidity.
Comparison with Previous Period
Compared to the preceding week, the current period brings slightly cooler temperatures with increased rainfall, making for a typical fall transition. Wind speeds remain consistent, but the frequency of clear skies is notably reduced.
Commuting Advice
Commuters should be prepared for wet conditions, especially on Monday and Tuesday mornings. Wind gusts could affect travel, particularly when cycling or walking. Allow for extra travel time on rainy days and consider waterproof clothing and sturdy umbrellas.
Advice for Weekend Plans
While Saturday and Sunday appear partly clear, showers in the afternoons and early morning rain should be anticipated. Plan any outdoor activities for the brighter parts of the day, or consider cultural indoor pursuits to avoid the unpredictable weather bursts.
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