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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the StoryShift weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For the most up-to-date conditions, check the live forecast above. Porthcawl enjoys a mild maritime climate, with summer highs around 19–21°C and winter lows rarely below 3°C. The best months for a visit are May to September, when the town’s beaches and seafront are at their most inviting.
When is the best time to visit Porthcawl?
Late spring and early summer offer the most reliable weather, with long daylight hours and average temperatures climbing to 18–21°C. July and August are warmest but also the busiest, coinciding with school holidays. For fewer crowds and still pleasant conditions, consider late May, June or early September. The sea temperature peaks in August and September, reaching around 17°C. For a broader picture of conditions across the region, visit our UK weather hub, compare with Bristol Weather, or check bbc weather cardiff and bbc weather swansea for nearby coastal trends.
What should you pack for a trip to Porthcawl?
Coastal conditions can change quickly, so layers are key. A waterproof jacket and comfortable walking shoes are useful year-round. In summer, pack sun cream and a light jumper for breezy evenings; in winter, a warm coat and hat are advisable. The beach is accessible all year, but swim only when lifeguards are on duty (typically May to September). For weather in porthcawl tomorrow or weather in porthcawl 10 days, the live forecast above is your most reliable guide. If you’re planning further ahead, bbc weather porthcawl 14 days and 21 day weather porthcawl offer useful longer-range trends, though accuracy diminishes beyond a week. For detailed data, met weather porthcawl from the bbc weather porthcawl 14 days met office feed provides authoritative insight.
How reliable is the 10-day forecast for Porthcawl?
Forecasts for Porthcawl become less reliable beyond day 5 due to its coastal position. The 10-day outlook gives a useful indication of trends, but check the live forecast above for the most accurate short-term picture. For longer-range planning, the bbc weather porthcawl 14 days service offers a helpful overview.
Is Porthcawl weather similar to Swansea and Cardiff?
Yes, all three share a mild maritime climate. Porthcawl is slightly more exposed to Atlantic winds than Cardiff, which sits further inland on the Bristol Channel. Swansea, like Porthcawl, sees frequent breezes off the sea. Checking bbc weather cardiff and bbc weather swansea can give you a useful regional comparison.
What are the winter conditions like in Porthcawl?
Winters are mild but wet and windy. Daytime highs hover around 8–9°C, with frost possible on clear nights. Snow is rare, but stormy conditions can bring large waves to the seafront – impressive, but take care on exposed areas.