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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Media Grid UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows Horndean’s current conditions; for late March, daytime highs typically reach 10–12°C, with overnight lows around 4–6°C across the South Downs. Rain is possible on most days this week.
What is the week-ahead outlook for Horndean?
The coming days bring a mix of cloud and showers, with temperatures near the seasonal norm. Winds from the southwest will push occasional wet spells across the area, especially midweek. The live forecast above gives hour-by-hour detail for Horndean; for a broader picture, visit our UK weather hub.
How does Horndean compare with nearby Portsmouth?
Horndean, being inland and slightly higher, often feels a degree or two cooler than Portsmouth’s coastal climate. bbc weather portsmouth shows sea breezes and milder nights, while Horndean sees more frost in winter. Both locations share similar rain patterns this week. For long-range planning, our 10 Day Weather Forecast UK covers both towns.
Is it going to rain in Horndean today?
Check the live forecast above for the hour-by-hour precipitation chance. Rain is likely on several days this week, so have an umbrella handy if you’re heading out.
Where can I find the Met Office weather for Horndean?
The Met Office provides detailed forecasts for Horndean on their website. Search “met office weather horndean” for the official outlook, including warnings and long-range trends.
How does BBC weather for Horndean compare to other sources?
BBC Weather uses Met Office data, so forecasts are broadly consistent. For hyperlocal updates, the live forecast above is a reliable snapshot; for severe weather alerts, refer to bbc news or the Met Office.