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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Current UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows London settling into a mild and changeable 30-day period, with temperatures gradually rising and a mix of sun and showers typical of late spring.
What does the 30-day forecast tell us?
The 30-day outlook for London, based on the live forecast above, points to a typical spring pattern: daytime highs ranging around 15–18°C, cooler nights near 8–10°C, and rain on roughly half the days. This matches the longer-term trends you’d see in a 10-day forecast or a 21 day weather forecast london — unsettled but not unusually wet. The UK weather hub confirms that April and early May often bring this mix, so expect both sun and showers.
What to pack for London over the next month
Pack layers: a lightweight jacket, a warm jumper, and a waterproof coat or umbrella. The days can feel warm in sunshine, but evenings stay cool enough for a fleece. Comfortable walking shoes are essential. If you’re visiting London for a weather london 14 days trip or longer, bring versatile clothes that work for both city exploring and rainy spells. For more detailed comparisons, see Birmingham weather.
How reliable is a 30-day forecast for London?
Long-range forecasts like london weather 30 days met office give trends, not exact day-by-day details. They are about 60–70% accurate for temperature patterns, but the timing of rain can shift. Check the live forecast above regularly for updates.
Does London’s 30-day weather differ from the bbc weather 21 day forecast london?
Both sources draw on similar UK Met Office data, so the broad pattern is consistent. The BBC may emphasise shorter windows, while london weather 30 days bbc uses the same ensemble models. For local nuance, always refer to the live chart above.
What is the best month for visiting London in the next 30 days?
Late April to early May usually offers the best balance of mild temperatures, fewer rain showers, and longer days. Check london weather 30 days gismeteo for a different model view, but the live forecast remains your most reliable guide.