Welcome to our weather forecast for Swansea in West Glamorgan. This is the place to check for the latest weather conditions and forecasts in the area, including today’s and tomorrow’s maximum temperatures, the chance of precipitation, and wind speeds.
Weather Forecast Today - Swansea - Friday 22nd September 2023
Expect light rain in Swansea today. The maximum temperature is going to be about 16°C (but it will feel like 13°C due to the wind chill factor).
The likelihood of rain is 74%. It is probably not the best day to put your washing out. Humidity today will be around 71%.
The UV Index today is 3 (moderate). Sun protection is recommended. You should stay in the shade at midday.
The visibility level today is expected to be very good. From a good vantage point, you should be able to see for 20 to 40 km (12.4 to 24.9 miles). Wind speed (noon) is estimated at 11 mph (gentle breeze). It will be blowing west north west.
Weather Forecast Tonight - Swansea - Friday 22nd September 2023
It is going to be clear weather in Swansea tonight. The minimum temperature at night is going to be 7°C (but it is going to feel like 7°C).
There is a reasonable chance of rain tonight (32% to be precise). Humidity will be around 86%.
The wind speed this evening will be approximately 7 mph (light breeze), blowing west north west.
Weather Forecast Tomorrow - Swansea - Saturday 23rd September 2023
Unfortunately, cloudy weather is expected tomorrow. The highest temperature in the daytime is forecast to be 16°C (it will feel like 13 °C).
The odds of rain tomorrow are low (around a 5% chance). Expect humidity of approximately 56%.
The UV Index should be around 3 (moderate). If you are spending time outside you should wear sunscreen and stay in the shade around midday.
Visibility tomorrow will be very good. From a good position, you should be able to see places as far as 20 to 40 km away (12.4 to 24.9 miles).
The wind speed tomorrow at noon is forecast to be 9 mph (gentle breeze). The wind direction will be south west.
5-Day Forecast For Swansea
A 5-day weather forecast for Swansea is shown in the table below.
Date | Weather Type | Day Max Temp (°C) | Night Min Temp (°C) | Chance of Rain (%) | Wind Speed (mph) | Max UV |
---|---|---|---|---|---|---|
Friday 22nd September - Day | Light Rain | 16 | - | 74 | 11 | 3 |
Friday 22nd September - Night | Clear Night | - | 7 | 32 | 7 | - |
Saturday 23rd September - Day | Cloudy | 16 | - | 5 | 9 | 3 |
Saturday 23rd September - Night | Light Rain | - | 15 | 79 | 20 | - |
Sunday 24th September - Day | Light Rain | 19 | - | 87 | 22 | 3 |
Sunday 24th September - Night | Heavy Rain | - | 16 | 94 | 18 | - |
Monday 25th September - Day | Light Rain | 18 | - | 35 | 20 | 4 |
Monday 25th September - Night | Partly Cloudy | - | 16 | 58 | 16 | - |
Tuesday 26th September - Day | Heavy Rain | 18 | - | 59 | 16 | 3 |
Tuesday 26th September - Night | Cloudy | - | 15 | 49 | 16 | - |
Forecast - Location Details
The weather forecast for Swansea is based on data provided by the Met Office for the location shown on the map below. The weather in other areas of Swansea may vary slightly.

Weather in Other Areas of Wales
Follow the links below to find the weather forecasts in other areas of Wales:
Current conditions and forecasts for other areas of the United Kingdom (UK) can be found here.