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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Playlister UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Porthleven’s weather is shaped by its exposed harbour on Cornwall’s south coast, so the live forecast above gives the most reliable minute-by-minute picture — expect sea breezes and changeable skies typical of a west-facing coastal town.
What should I expect from Porthleven’s weather today?
The live forecast above shows current conditions, but coastal Cornwall often sees a mix of sunshine and showers in a single day. Wind from the Atlantic can pick up quickly, especially near the harbour arm and along the seafront. Check the hourly breakdown in the live panel for precise timing of rain or cloud cover.
- Porthleven sits in a natural dip, so fog can linger in calm mornings.
- Sea breezes moderate temperature, keeping summers cooler than inland Cornwall.
- Winter storms bring high surf — ideal for watching, less so for walking the seawalls.
- If you’re using bbc weather porthleven, compare it with the live forecast above for updates.
How windy does it get in Porthleven?
Strong south-westerly winds are common from October to March, often gusting over 40 mph during deep low-pressure systems. The harbour offers some shelter, but the coastal path is exposed. Check accuweather porthleven wind charts alongside the live panel if you’re planning a walk or boat trip.
- Summer wind is lighter, typically 10–15 mph from the west.
- For weather in porthleven tomorrow, pay attention to the wind direction — southerly winds push tide heights higher.
What’s the best time of year to visit Porthleven for weather?
Late May to early September offers the most settled conditions, with sea temperatures peaking around 15–17°C in August. Showers are still possible, but long sunny spells are common and winds are lighter.
How does Porthleven’s weather compare to the rest of Cornwall?
Porthleven tends to be slightly rainier than north-facing bays like Carbis Bay because it catches moist south-westerly air. However, it also gets more sea fog in spring due to cool water meeting warm air.
Is there a webcam to check current weather?
Yes, a porthleven webcam is available online — check live harbour views to see sea state and cloud cover. Combine it with the forecast above for a full picture.
For wider UK conditions, see our UK weather hub or the 10-day forecast for the UK. For other Cornish towns, check Bristol weather (though inland, it links to south-west patterns). For longer-range outlooks, porthleven weather 14 days and 21 day weather porthleven met office forecasts are available via the live panel above — update daily.