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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Public Journal weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for the next few hours before heading out in Harrow, as conditions in this northwest London suburb are often shaped by its position inland relative to the Thames Estuary, meaning temperatures can lag behind coastal areas by a degree or two.
What is the outlook for Harrow this week?
Harrow, lying about 12 miles from central London and close to the Hertfordshire border, typically sees a mix of cloud and clear spells at this time of year. The met office weather harrow data suggests a slow-moving area of high pressure will keep things dry into midweek, with overnight lows around 8°C and daytime highs reaching 15–16°C. The weather in harrow london 10 days outlook shows a brief chance of drizzle on Thursday, but nothing disruptive. For weather in harrow london tomorrow, expect a bright start with light southwesterly winds.
How does Harrow compare with neighbouring areas?
Unlike Birmingham Weather further north, Harrow keeps a milder, more settled pattern because of its proximity to London’s urban heat island. However, residents in the higher parts of the borough, such as Harrow Weald, should prepare for a slightly cooler morning than those nearer to Stanmore. The harrow weather 15 days trend points to an anticyclone building from the Atlantic, extending the dry spell into the second week. For a longer view, the bbc weather harrow 30 days long-range outlook remains uncertain, but models hint at a return to westerly winds around day 20.
Will the harrow weather 14 day forecast stay dry?
Yes, the harrow 21 day weather forecast shows only a 10–20% chance of rain in the first two weeks, with high pressure dominating. After day 14, a weak front may bring light showers but nothing prolonged.
How does bbc weather harrow 14 days compare with the Met Office?
Both services agree on a settled first week. The BBC tends to emphasise cloud cover, while the Met Office gives slightly higher confidence in dry conditions for the second half of the fortnight.
Is there any risk of frost in Harrow this week?
Unlikely. Overnight minima are forecast around 7–9°C, well above frost levels. The 10 Day Weather Forecast UK shows no sign of a cold snap for southeast England in the near term.