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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the PressHive weather desk. Data from national met services via Open-Meteo.
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Weather forecasting today relies on computer models, satellite imagery and ground observations to predict conditions up to 14 days ahead, though reliability falls sharply after a week. Check the live forecast above for the latest outlook in your area.
How are weather forecasts produced?
Meteorologists feed current observations into numerical weather prediction (NWP) models run on supercomputers. The Met Office, for example, uses a 1.5km-resolution model over the UK. Four methods of weather forecasting are commonly combined: persistence (assuming conditions continue), synoptic (analysing pressure patterns), statistical (comparing past data) and ensemble (running multiple model versions). A simple weather forecasting example is using falling pressure to predict rain within 12–24 hours.
Why do long-range forecasts vary in accuracy?
Beyond seven days, small differences in initial data can lead to large outcome errors – known as the butterfly effect. The UK weather forecast 14 days ahead is useful for trends but not for precise hourly timings. For a reliable local picture, refer to the 10 Day Weather Forecast UK page or our UK weather hub.
How accurate is a 14-day forecast?
For the first three days, accuracy is high; by day seven it drops to around 70–80%. A 14-day outlook shows broad trends but should not be relied on for specific timings or local details.
What is the difference between a weather warning and a forecast?
A forecast gives expected conditions; a warning is issued by the Met Office when severe weather is likely to cause disruption. Warnings have colour-coded levels (yellow, amber, red) and are updated in real time.
Can a weather forecasting app replace official sources?
Apps are convenient but often use automated data. For critical decisions – especially during severe weather – always check the Met Office or BBC Weather, which employ professional meteorologists.