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Hourly Forecast
Daylight Hours
06:56
Sunrise
19:18
Sunset
Moon
Waxing Crescent
12:15
Moonrise
20:28
Moonset
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Weather in Penarth tomorrow, September 16, 2026
Rain features in Penarth on September 16, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The first half of the day looks overcast, as cloud amounts reach about 86% around 11:00. Brighter weather, if it comes, waits until later.
The day peaks near 18°C and cools toward 12°C. Moisture in the air spans 63%-89%, with the highest values around 02:00. Airflow remains manageable, reaching about 5.2 km/h around 16:00.
Afternoon skies stay clogged, peaking close to 97% near 16:00. The grey theme continues rather than clearing out. Visibility holds near 30.1 km, though it can fall to 21.8 km. Daylight runs from 06:57 to 19:15, lasting 12 hours 18 minutes of sunlight today.
Taken together, Penarth looks wet enough on September 16, 2026 that flexible outdoor plans work best, with temperatures peaking near 18°C.