News Southampton Great Britain August 18, 2025

Weather Analysis for Southampton, Great Britain - August 18 to August 20, 2025

As we look ahead to the upcoming days in Southampton, Great Britain, the weather forecast indicates a delightful summer stretch, perfect for outdoor activities and enjoying the beauty of this coastal city.

Day 1 - Monday, August 18, 2025

Expect a lovely day ahead with maximum temperatures reaching 25°C (77°F) and a comfortable low of 15°C (59°F). The day will feature approximately 12.8 hours of sunshine — making it an excellent day to explore the local parks or take a stroll along the coast. The sun will rise at 5:58 AM and set at 8:20 PM, giving you plenty of daylight to enjoy.

The winds will be mild, blowing at a speed of around 21 km/h (13 mph) from the east-northeast, contributing to a pleasant atmosphere. There is no chance of rain, so outdoor plans will not be interrupted by unwanted showers. For those concerned about UV exposure, the UV index is forecasted at 1, which is relatively low.

Day 2 - Tuesday, August 19, 2025

The warm temperatures will continue, with highs climbing to around 26°C (79°F) and a low of 16°C (61°F). The sun rises just a minute later at 5:59 AM and will set at 8:18 PM. With around 14 hours of sunshine, it’s another perfect day to get out and about in Southampton.

One thing to note is the unsettled weather in the afternoon, where patchy rain could appear — though the rain isn't expected to be substantial. The wind will remain fairly calm, from the east-northeast at around 23 km/h (15 mph), making it a breezy yet enjoyable day. Make sure to check updates for rainfall chances if you're planning outdoor activities.

Day 3 - Wednesday, August 20, 2025

The final day of this forecast period continues to bring similar warmth, with highs of 25°C (76°F) and lows dropping to 14°C (57°F). The sunshine will be plentiful again, with roughly 14 hours of bright sky – the perfect scenario for picnics or walks by the waterfront.

The winds will continue from the northeast at 23 km/h (about 15 mph), keeping the temperatures feeling fresh even during midday. As with the previous days, it will be dry with no expected precipitation, offering a smooth sailing for plans outdoors.

Throughout this period, visibility in Southampton will remain excellent, with about 10 kilometers (6 miles), and humidity levels will be relatively comfortable around the 45%-83% range.

For detailed forecasts, including the next five days, you can visit Southampton weather or for hourly updates, check out hourly weather for Southampton.

In conclusion, the upcoming weather in Southampton provides an excellent opportunity to take advantage of the summer season with pleasant temperatures, ample sunshine, and low chances of rain. Whether you're a local or a visitor, make the most of this beautiful weather across the city!