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Live forecasts update automatically; written guidance last reviewed 13 June 2026 by the Insight Britain weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Helston sits in a valley two miles inland from Cornwall’s south coast, giving it a classic maritime climate. The live forecast above shows real-time conditions, hourly trends and the ten-day outlook for the town, so you can plan your day or week with confidence.
How should you read the live forecast for Helston?
The live forecast above displays the current temperature, wind speed and direction, humidity and precipitation probability for Helston. Scroll through the hourly breakdown to see when rain is most likely, and use the ten-day view to spot any shifts in wind or pressure that might bring a change. Because Helston sits in a low-lying valley, the forecast here can feel a degree or two cooler than nearby coastal towns.
What is Helston’s climate like through the seasons?
Helston’s weather is typical of a south-west English town. Winters are mild and wet, with daytime highs often in the single figures Celsius and overnight lows rarely below freezing. Spring brings increasing sunshine but still frequent showers. Summers are cool by inland standards, with highs in the mid-teens, though temperatures can climb into the low twenties during settled spells. Autumn sees windier conditions and high rainfall, especially from October onward. The prevailing south-westerly winds mean Helston is often breezy.
How do local geography and the coast affect Helston’s weather?
The town lies in the valley of the River Cober, sheltered by low hills to the north and east. This can trap moisture and create mist or low cloud on still mornings. Its proximity to Mount’s Bay means sea breezes often moderate temperatures, keeping summers cooler and winters milder than locations further inland. The nearby Lizard Peninsula, about eight miles south, experiences slightly more sunshine and less rainfall than Helston itself.
When is the best time to visit Helston, and what should you pack?
- Late spring (May–June) offers the best balance of mild temperatures, longer daylight and fewer showers, culminating in the famous Flora Day celebrations in early May.
- Summer (July–August) is the warmest but also the busiest; expect temperatures around the mid-teens to low twenties, with occasional rain.
- Autumn (September–October) can be pleasant but windier; perfect for walking if you pack a waterproof.
- Winter (November–February) is quiet, with frequent rain and wind – pack layers, a sturdy raincoat and waterproof footwear.
No matter the season, bring a waterproof jacket, comfortable walking shoes and sunscreen – the sun can be strong even on cloudy days near the coast.
Which nearby areas should you check for similar weather?
Weather patterns across Cornwall’s south-west are broadly similar, but local topography creates variation. For forecasts of neighbouring towns, see Camborne weather, Hayle weather and Falmouth weather. Further along the coast, Penzance and St Ives often show slightly different wind and cloud conditions due to their exposure. You can also browse the UK weather hub for a wider perspective.
What will the weather be in Helston tomorrow?
Check the hourly panel in the live forecast above for tomorrow’s temperature trend, wind speed and rain probability. Helston’s valley location can mean patchy early mist, so look at the early-morning and lunchtime slots to get a clear picture of the day ahead.
What is the 10–14 day outlook for Helston?
The long-range section of the live forecast above gives a general confidence level for the coming fortnight. Beyond about seven days, details become less reliable, but the outlook will show broad pressure patterns – high pressure usually means settled, dry weather; low pressure brings Atlantic fronts and rain.
Does it rain a lot in Helston?
Yes – Helston receives above-average rainfall for the UK, about 1,100 mm per year. Rain is frequent throughout the year, though the heaviest falls tend to occur in autumn and winter. Even in summer you should expect occasional showers, making a waterproof jacket essential whenever you visit.
Is Helston ever foggy?
Fog is most common in autumn and winter, especially on calm mornings when the valley traps moist air. The live forecast above includes visibility data, so check the current conditions and early-hour panels to see whether fog might affect travel on local roads such as the A394.