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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Evening Ledger weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Porthcawl today, as conditions along the Glamorgan coast can change quickly with sea breezes and incoming weather fronts.
What is the outlook for Porthcawl today and tonight?
The live forecast above shows the immediate outlook for Porthcawl. Expect a mix of sunshine and cloud, with any rain arriving from the west. Coastal areas often feel cooler due to the prevailing south-westerly wind. Tonight will bring clear spells inland, though mist patches may develop near the seafront by dawn.
What is the 10 to 14 day pattern for Porthcawl?
Looking further ahead, the weather in Porthcawl over the next 10 to 14 days will be dictated by low pressure systems tracking across the Atlantic. This means spells of wind and rain will likely be followed by brief drier, brighter interludes. The best of any sunshine will probably be on the sheltered eastern side of the bay, while exposed headlands see the strongest gusts.
Is it safe to swim at Porthcawl today?
Check the live forecast above for wind strength and the RNLI’s local safety flags. Strong south-westerly winds create rip currents off Sandy Bay and Rest Bay. Swim only between the red and yellow flags.
How does Porthcawl’s weather compare to Cardiff or Swansea?
Porthcawl is more exposed to direct sea winds than either bbc weather cardiff or bbc weather swansea. Those cities sit further inland or in more sheltered bays, so they can be a few degrees milder with lighter winds.
What is the 21 day weather outlook for Porthcawl?
Long-range models for the 21 day weather Porthcawl forecast suggest a gradual shift to more settled conditions as high pressure builds near the Azores. This is a broad trend only; check the live forecast above for daily updates.
For wider UK conditions, see our UK weather hub or compare with the Bristol Weather and 10 Day Weather Forecast UK page.