See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
17°
Mostly Cloudy
Feels Like: 17°
Min: 15°
Max: 19°
The next few hours will be overcast, with today reaching 18°C and dropping to 13°C. The coming days will be mostly clear
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:58
Sunrise
19:20
Sunset
Moon
Waxing Crescent
12:18
Moonrise
20:30
Moonset
Daily Forecast
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Weather in Porthcawl today, September 15, 2026
Rain features in Porthcawl on September 15, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Expect a grey start, with morning cloud around 83% by 10:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 15°C toward a daytime high of about 19°C. Moisture in the air spans 69%-87%, with the highest values around 22:00. A lighter breeze peaks around 14:00 near 7.4 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 60% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 31.9 km, with poorer spells close to 23.1 km. Expect sunrise at 06:58, sunset at 19:20, and 12 hours 22 minutes of sunlight today overall.
The practical takeaway for Porthcawl on September 15, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 19°C.
Frequently asked questions about weather in Porthcawl
How warm does it get in Porthcawl?
The warmest month in Porthcawl is July, with average high temperatures of 19°C. The average temperature during this period is around 17°C.
How cold does it get in Porthcawl?
The coldest month in Porthcawl is January, with average low temperatures of 4°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Porthcawl?
The wettest month in Porthcawl is December, with an average of 151mm of precipitation.
What is the driest time of year in Porthcawl?
The driest month in Porthcawl is April, with an average of 66mm of precipitation.
