Home › Weather › Harlech Weather
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the MarketUK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows Harlech’s current conditions and a 14-day outlook, with highs typically ranging from 7°C to 13°C in March and winds often gusting above 20 mph due to coastal exposure. This means you can expect cool, breezy weather with frequent cloud cover and occasional rain showers.
What is the typical March weather pattern for Harlech?
Daytime temperatures in Harlech for March usually sit between 7°C and 10°C, though the live forecast above may show brief warmer spells. Night-time lows often drop to 2–5°C. Rainfall is common, with an average of 12–14 wet days in the month, and south-westerly winds frequently bring Atlantic moisture inland.
How do coastal conditions affect the forecast?
Harlech’s position on Cardigan Bay means sea breezes can lower perceived temperatures by 2–3°C compared to inland Gwynedd. The live forecast above reflects this with wind-chill factors. Fog banks occasionally form overnight, especially in spring, clearing by late morning.
Does Harlech get snow in March?
Light snow or sleet is possible on 1–2 days in early March, but it rarely settles at sea level. The live forecast above will show any wintry showers as rain or sleet, with snow typically only on higher ground like Snowdonia.
Is the bbc weather harlech 14 days forecast reliable for planning?
A 14-day outlook gives a useful trend but becomes less accurate after 7 days. For day-to-day decisions, rely on the live forecast above updated every 3 hours. Longer-range data helps with broad patterns, not precise timings.
Why is Harlech often windier than nearby towns?
Harlech faces the open Irish Sea without shelter from hills to the west. This funnels Atlantic winds directly onto the coast, making gusts 10–20% stronger than at inland locations like Blaenau Ffestiniog.
For more UK forecasts, see the UK weather hub or check Bristol Weather and the 10 Day Weather Forecast UK.