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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the WordPatch weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above gives current conditions for Portstewart, County Londonderry. This north‑coast town sees mild summers and cool, wet winters, so the best months for a visit are May to September when you can expect the highest temperatures and longest daylight hours. Pack layers and a waterproof jacket whatever the season.
When is the best time to visit Portstewart?
Late spring and summer (May–September) offer the most reliable weather for beach walks and coastal paths. July and August are the warmest, with average highs of around 17 °C, but Atlantic showers can still appear. For fewer crowds and still‑pleasant conditions, consider June or early September. Winter (November–February) is quieter but often windy and wet; if you do visit then, check the 10‑day forecast before heading out.
What should I pack for a trip to Portstewart?
Essentials include a wind‑ and waterproof jacket, warm layers (even in summer), and sturdy footwear for the clifftop path. Sunscreen and a hat are useful on bright days, and a light fleece or jumper is never a bad idea. If you plan to swim, a wetsuit is recommended – sea temperatures rarely climb above 15 °C even in August.
Is Portstewart beach safe for swimming?
The main beach has lifeguard cover during summer months (July and August). It’s generally safe, but be aware of rip currents and changes in wind direction. Always follow local safety signs and check the Met Office tidal forecast.
How far is Portstewart from Belfast?
About 60 miles (97 km) north of Belfast. By car the journey takes roughly 1 hour 15 minutes via the M2 and A26. For a wider regional picture you can compare with Glasgow Weather, though the climates differ.
What’s the wind like at Portstewart?
The exposed north coast means winds can be strong, especially from autumn to spring. Average wind speeds range from 15–25 mph, gusting higher in storms. Ideal for kite‑surfing but worth factoring into your plans if you’re walking the promenade.
Sources
For more detailed planning, the UK weather hub covers regional patterns, and you can extend your view with the 10‑day UK forecast. Nearby resorts include Portrush – bbc weather portrush is another useful check – while bbc weather belfast gives a broader Northern Ireland picture. For official data, met office weather portstewart offers hourly and 14‑day updates; the weather in portstewart 10 days view is especially handy before a trip. If you need longer‑range guidance, bbc weather portstewart 14 days provides a solid outlook, though always verify with the live forecast above on the day.