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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Edinburgh Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Porthleven’s weather today, as shown in the live forecast above, brings a mix of coastal cloud and bright spells typical for this stretch of Cornwall’s south-west coast. The harbour town, sheltered by the Lizard Peninsula, often sees sea breezes that keep temperatures a few degrees cooler than inland Helston.
What is the outlook for Porthleven this week?
The coming days will see a familiar Atlantic pattern: mild, damp conditions pushing in from the west, with winds strengthening by midweek. For those checking the Porthleven webcam, expect grey skies and occasional drizzle on Tuesday, brightening to sunnier intervals by Thursday. The 21 day weather Porthleven Met Office outlook suggests a drier, settled spell arriving towards the end of the month, though coastal fog may linger in the mornings.
How does Porthleven’s coastal position affect the weather?
Sitting on Mount’s Bay, Porthleven is exposed to south-westerly winds that can bring sudden showers off the sea. The harbour’s geography creates a microclimate: rain often skirts inland, leaving the quay drier than nearby villages. If you are planning a walk along the South West Coast Path, the weather in Porthleven tomorrow looks breezy but largely dry, with temperatures around 11°C.
What is the best source for Porthleven weather hourly?
For a detailed breakdown, BBC Weather Porthleven provides hourly updates on wind speed, UV index and precipitation. The Met Office app also offers a reliable Porthleven weather hourly view, particularly useful for planning fishing trips or harbour walks.
Does AccuWeather Porthleven give accurate 14-day forecasts?
AccuWeather Porthleven offers a 14-day outlook, but long-range predictions for Cornwall’s coast can shift. The Porthleven weather 14 days view from the Met Office is generally more reliable for planning ahead, as it accounts for Atlantic weather systems.
Where can I see live conditions in the harbour?
The Porthleven webcam, positioned near the harbour wall, gives a real-time view of tide levels, surf and cloud cover. It is a handy check before heading out, especially when the 21 day weather Porthleven Met Office forecast suggests a change in wind direction.
Sources
For broader conditions across the UK, see our UK weather hub or check the 10 Day Weather Forecast UK. If you are comparing coastal towns, our Bristol Weather page offers a different Atlantic perspective.