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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the ScopePress weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The BBC 14-day forecast for London, based on the live forecast above, shows daytime highs between 5°C and 11°C and overnight lows from -1°C to 6°C over the next two weeks. This means a broadly unsettled early spring pattern, with frequent cloud and occasional rain, but some drier interludes likely mid-period.
What temperature range can I expect over 14 days?
For London, the 14-day range from the live forecast above indicates a mean daytime high around 8°C and mean overnight low near 3°C. The warmest days may reach 11°C, while colder nights could drop to -1°C. These figures align with the typical March transition, where frosts remain possible but become less frequent.
Will there be much rain in the 14-day period?
The forecast suggests roughly 7–9 days with measurable precipitation, mainly light rain or drizzle. The wettest spell appears around days 3–5, followed by a drier window near day 10. Accumulations are unlikely to exceed 25 mm total for London. By comparison, the bbc weather 14 day forecast near Birmingham often records slightly higher rainfall totals due to its inland position.
How accurate is a 14-day forecast?
Confidence drops sharply after day 7. The first week’s temperature and rain timing are reliable to about ±2 °C and ±1 day. By day 10–14, only broad trends (e.g., colder or wetter than normal) are trustworthy. The Met Office advises checking updates every 48 hours.
Is a 14-day forecast the same as a 21-day forecast?
No. A 14-day forecast uses deterministic models with moderate skill to day 10, then ensemble probabilities. A 21-day outlook (e.g., bbc weather 21 day forecast or bbc weather london 21 day forecast) relies on seasonal analogues and is less precise, useful only for anomaly patterns rather than day-by-day detail.
Can I get a 14-day forecast for other UK cities?
Yes. The BBC provides 14-day forecasts for major UK cities. For example, birmingham weather 14 day forecast and bbc weather 14 day forecast london follow the same model. For European cities, bbc weather europe 14 day forecast is available, though accuracy degrades with distance from the UK.
Sources
For other UK locations, see our UK weather hub, including Birmingham Weather and Glasgow Weather. For a shorter look ahead, visit the 10 Day Weather Forecast UK page.