15-Day Weather Forecast - Southampton
15-day weather forecast for Southampton: temperatures from 6°C (43°F) to 22°C (72°F). Average daily high 19°C (66°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Southampton's 15-day outlook ranges from a low of 6°C to a high of 22°C, with an average daytime high near 19°C. That's 1° below the long-term average high of 20°C for this time of year. Air quality is currently good (AQI 23), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 20°C.
24 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Extended Outlook for Southampton
Over the next 15 days, Southampton is forecast to see temperatures ranging from 6°C to 22°C, averaging a daily high of 19°C. The extended outlook indicates occasional showers on 6 days, with 10.3 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.