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Live forecasts update automatically; written guidance last reviewed 15 June 2026 by the National Report weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For an up-to-the-minute picture of conditions in your area, the live forecast above is your best bet. While Harrow typically sees a fairly mild climate, the coming days will bring a mix of cloud and brighter spells, with a low chance of showers later in the week.
What can I expect from the weather in Harrow over the next few days?
The forecast shows a fairly settled start, but by midweek there is a hint of more unsettled conditions arriving from the west. If you are checking the weather in Harrow London tomorrow, expect cloud to thicken through the afternoon, though any rain should be light and patchy. Overnight lows will hover around single figures, so a light jacket will be handy for early mornings.
For those planning ahead, the weather in Harrow London 10 days outlook suggests a gradual shift towards cooler, more autumnal air. While daytime highs will remain near average for November, breezier conditions may make it feel slightly chillier, especially later in the week. The Met Office weather Harrow guidance aligns with this pattern, noting the possibility of longer dry spells between fronts.
Will the weekend bring better weather?
Saturday looks to be the brighter of the two days, with some sunshine breaking through early. By Sunday, another weather system may introduce cloudier skies and a chance of drizzle – typical for this time of year. If you want a longer-range view, you could look up the Harrow weather 15 days or Harrow 21 day weather forecast, but remember that confidence drops considerably beyond a week. The harrow weather 14 day and BBC weather Harrow 14 days services offer a similar extended outlook, though they are often updated as new data comes in.
How reliable is the BBC weather forecast for Harrow?
The BBC forecast uses Met Office data, which is generally reliable for the next 3–5 days. Beyond that, uncertainty increases. For the most accurate picture, check the live forecast above daily.
Where can I see the long-range forecast for Harrow?
You can find BBC weather Harrow 30 days forecasts on the BBC website, but these are trend-based rather than precise. The Met Office also provides a monthly outlook, though it focuses on broad patterns rather than day-by-day details.
Does Harrow get much snow in winter?
Snow is relatively rare in Harrow due to its urban setting and low altitude. When it does occur, it is usually light and melts quickly. The Met Office weather Harrow pages include specific warnings if snow is expected.
Sources
For a broader view of conditions across the country, visit our UK weather hub or check the 10 day weather forecast UK page.