Weather forecast for this week in Penarth - 21 Sep to 27 Sep
By Mr.Data 21st Sep 2026
Weekly Weather Overview for Penarth
The upcoming week in Penarth promises to be predominantly partly cloudy with moderate temperatures and varying chances of rain. The week starts with higher temperatures and humidity, gradually stabilizing towards the weekend. Winds are generally light to moderate, providing a relatively pleasant atmosphere despite occasional rain chances.
Day-by-Day Weather Forecast
Monday: Expect a partly cloudy sky throughout the day with temperatures peaking at 20°C and dropping to a low of 11°C. No precipitation is expected, with humidity at 84% and a gentle breeze blowing at 13 mph.
Tuesday: Another partly cloudy day with a higher chance of rain at 58%. The day's maximum temperature remains at 20°C while the minimum increases slightly to 14°C. Humidity rises to 90% with wind speeds decreasing to 8 mph.
Wednesday: The partly cloudy pattern continues with a similar 58% chance of rain as Tuesday. Temperatures hover around a maximum of 20°C and a minimum of 12°C, while the wind picks up to 19 mph and humidity drops to 79%.
Thursday: Conditions improve slightly with clear skies, decreasing the chance of rain to 0%. Temperatures are slightly lower, with a high of 18°C and a low of 9°C. Humidity is at 81% with winds blowing at 15 mph.
Friday: A partly cloudy day with a minimal 10% precipitation chance. Temperatures remain steady at a maximum of 18°C and a minimum of 12°C. Humidity is at 86%, and winds continue at 15 mph.
Saturday: Continuing the partly cloudy trend, there's a 19% chance of rain. Maximum temperature holds at 18°C and the minimum is 11°C. Humidity stands at 80% with wind speeds increasing to 17 mph.
Sunday: The week wraps up with partly cloudy skies and a 19% chance of rain. Highs of 18°C and lows of 13°C are expected. Higher humidity at 89% is anticipated along with brisk winds at 21 mph.
Comparison with the Previous Period
The upcoming week's temperatures are consistent with the previous period's mild climate. However, there is a slight increase in humidity and wind speed, especially towards the end of the week. Rain chances are slightly higher mid-week compared to the predominantly dry spell earlier observed.
Commuting Advice
Consider packing an umbrella mid-week due to increased chances of rain Tuesday and Wednesday. Winds will be relatively moderate, affecting cyclists more than other commuters. Monitor weather forecasts closely for sudden changes during these days.
Advice for Weekend Plans
The weekend promises partly cloudy weather with a low chance of rain, making it ideal for outdoor activities. It is advisable to plan for brisk winds, especially on Sunday. Layering clothing is recommended to adapt to temperature variations.
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