Home › Weather › Harrow Weather
Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the UK Bullet weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For Harrow, the live forecast above shows the current conditions and a 14-day outlook. Today’s weather is driven by a frontal system crossing southern England, bringing cloud and patchy rain, though brighter interludes may develop later for northwest London.
What is the weather in Harrow London tomorrow and the next 10 days?
Tomorrow will see a mix of sunny spells and scattered showers, with a brisk westerly breeze making it feel cooler. After a brief drier interlude mid-week, conditions turn more unsettled from Thursday as low pressure moves in. This wetter trend looks set to continue into early next week, with the 10 day weather forecast UK suggesting a return to more typical autumnal patterns.
- Tomorrow: sunny intervals and isolated showers, highs near seasonal average.
- Mid-week: a drier day with lighter winds and some hazy sunshine.
- Thursday onward: wetter and windier, with rain at times, especially later Friday.
- Weekend to early next week: staying unsettled, with further rain or showers.
For a longer-term view, the met office weather harrow outlook points to a changeable period, typical for October across the southeast. If you are planning ahead, the harrow weather 15 days guidance in the live forecast above provides a useful snapshot, though confidence naturally decreases beyond a week.
When is the best time to check the Harrow weather 14 day and 21 day forecasts?
Checking a bbc weather harrow 14 days update around midday gives you the most reliable picture for the week ahead, as the models have usually run their morning assimilation by then. For an extended view, a harrow 21 day weather forecast is best treated as a broad trend indicator rather than a day-by-day prediction, useful for spotting a shift to a wetter or drier spell.
- For planning this week’s commute or outdoor plans, the 14-day forecast updated overnight is sufficient.
- For longer-range hints, a 21-day outlook can help identify general patterns, such as a build of high pressure or a period of Atlantic low pressure.
- Always cross-check with the live forecast above, especially if you see a significant weather event flagged in the bbc weather harrow 30 days outlook.
How accurate is the weather in Harrow London 10 days forecast?
A 10-day forecast for Harrow is broadly reliable for the first 5–7 days, especially for pressure patterns. Beyond that, specifics like rain timings and cloud cover become less certain. For high-stakes plans, review the live forecast above daily.
Does the met office weather Harrow forecast differ from the BBC one?
Both source much of their data from the Met Office’s global and UK models, so short-term forecasts are very similar. The Met Office may offer more detailed regional warnings, while BBC Weather presents the data in a more streamlined, visual format.
What does the Harrow weather 14 day outlook tell me?
The 14-day outlook shows the general weather trend for Harrow over two weeks, helping you identify sustained wet or dry periods. It is less reliable for specific daily details beyond day 7, so treat it as a guide rather than a guarantee.