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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Culture Observer weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For the most reliable snapshot of conditions right now in Henley-on-Thames, check the live forecast above. The town enjoys a temperate maritime climate with mild summers and cool winters, making late spring and early autumn the most comfortable times to visit.
When is the best time to visit Henley?
June through September offer the warmest weather, with average highs around 22°C in July and August. These months also host the Henley Royal Regatta and the Henley Festival, though you should expect occasional showers even in summer. For fewer crowds and still pleasant walking weather, May and September are ideal.
What should you pack for Henley?
A light waterproof jacket is essential year-round, as rain can arrive quickly. In summer, layers and sunscreen serve you well; in winter, a warm coat and sturdy shoes are needed for riverside strolls. Umbrellas are a sensible addition any month.
Does it rain a lot in Henley?
Henley receives around 650mm of rain a year, typical for the Thames Valley. Rain is evenly spread, though October to January tend to be slightly wetter. A 21-day weather forecast for Henley-on-Thames will often show a mix of dry and wet spells.
What is the weather like during the Henley Royal Regatta?
The regatta takes place in early July. Conditions are usually warm, with average highs of 21–23°C, but light rain is possible. The BBC weather and Met Office weather for Henley-on-Thames are both reliable sources for live updates during the event.
Is Henley colder than London?
Henley is broadly similar to London, sitting just 40 miles west. It can be a degree or two cooler overnight due to its riverside location, but daytime temperatures are comparable. For a 15-day weather forecast for Henley-on-Thames, the Met Office provides detailed local data.
Sources
For broader UK conditions, see our UK weather hub or check the 10-day weather forecast for the UK. If you’re planning trips to other parts of the country, our Bristol weather and Sheffield weather pages may also be useful.