Home › Weather › Harrow Weather
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the WordPatch weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows the current conditions in Harrow, a northwest London suburb that typically sees mild, damp weather. While today might bring a mix of cloud and showers, the best months for a visit are May to September, when temperatures are pleasant and rainfall is lowest.
When is the best time to visit Harrow?
Late spring through early autumn – May to September – offers the most reliable weather for exploring Harrow-on-the-Hill or the town centre. July and August average highs around 23°C, though occasional heatwaves can push temperatures higher. School holidays mean more crowds, so early June or September are quieter options. Winter months are chilly and wet, with frost possible overnight.
What should I pack for a day in Harrow?
Layering is key. A waterproof jacket or umbrella is useful year-round given the frequent drizzle. In summer, pack light clothing and sun protection for the occasional warm spell; in winter, a warm coat and sturdy shoes for wet pavements. Check the 10-day forecast before you travel to fine-tune your bag.
Does it ever snow in Harrow?
Light snowfall is possible a few days each winter, usually in January or February, but heavy accumulation is rare. Roads and transport can be disrupted for a day or two, so check met office weather harrow warnings if snow is forecast.
How reliable is the 14-day forecast for Harrow?
Long-range forecasts – such as harrow weather 14 day or bbc weather harrow 14 days – give a general trend but become less accurate beyond 7 days. For day-to-day planning, use the live forecast above or the weather in harrow london tomorrow update.
Where can I find hourly weather for Harrow?
The Met Office provides detailed 3-hourly breakdowns. You can also check bbc weather harrow 30 days for a broader outlook, though hourly precision fades after 48 hours. For up-to-the-minute conditions, the live forecast above is your best bet.
- UK weather hub – nationwide conditions
- Birmingham Weather – compare with the Midlands
- Bristol Weather – for a West Country contrast