🇬🇧 Weather in Swansea
Current Weather in Swansea
15°C
Feels like 15°C. Patchy rain nearby.
🌬️ 28 km/h W
💧 67% Humidity
🧭 1014 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.7
🌡️ Dew Point: 10°C
🌅 Sunrise: 04:58 AM
🌇 Sunset: 09:31 PM
Map Overlays:
Hourly Forecast for Swansea
21:00
11°
40%
22:00
10°
40%
23:00
10°
44%
00:00
10°
48%
01:00
10°
46%
02:00
10°
48%
03:00
10°
42%
04:00
10°
29%
05:00
9°
26%
06:00
9°
24%
07:00
10°
13%
08:00
11°
22%
09:00
12°
23%
10:00
12°
24%
11:00
13°
32%
12:00
13°
31%
13:00
13°
24%
14:00
13°
24%
15:00
13°
22%
16:00
13°
20%
17:00
13°
24%
18:00
13°
22%
19:00
13°
21%
20:00
12°
20%
14-Day Forecast for Swansea
Tue, Jun 09
Moderate rain
13° /
9°
Wed, Jun 10
Patchy rain nearby
13° /
9°
Thu, Jun 11
Moderate rain
15° /
10°
Fri, Jun 12
Patchy rain nearby
18° /
13°
Sat, Jun 13
Sunny
21° /
12°
Sun, Jun 14
Sunny
21° /
15°
Mon, Jun 15
Sunny
22° /
15°
Tue, Jun 16
Patchy rain nearby
16° /
13°
Wed, Jun 17
Patchy rain nearby
14° /
12°
Thu, Jun 18
Patchy rain nearby
16° /
13°
Fri, Jun 19
Partly Cloudy
17° /
13°
Sat, Jun 20
Sunny
20° /
12°
Sun, Jun 21
Patchy rain nearby
17° /
15°
Mon, Jun 22
Patchy rain nearby
17° /
13°
Additional Forecasts for Swansea
Marine Forecast
Tide Forecast
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 110.0
μg/m³
O₃ (Ozone) 68.0
μg/m³
NO₂ (Nitrogen Dioxide) 1.2 μg/m³
SO₂ (Sulphur Dioxide) 0.3
μg/m³
PM2.5 (Fine particles) 4.5 μg/m³
PM10 (Coarse particles) 14.4 μg/m³
Local Sports Events
Historical Weather
Weather Forecasts for Other Cities in United Kingdom
Learn More about Weather
FAQ — Weather in Swansea
Common questions about this page — answers customized for the data shown above.
The current weather in Swansea is patchy rain nearby with a temperature of 15°C. Humidity is at 67% and wind speed is 28 km/h. Browse weather for other cities for comparison.
Tomorrow's forecast for Swansea shows patchy rain nearby with a high of 13°C and a low of 9°C. There is a 73% chance of rain. Tomorrow’s sunrise and sunset times for Swansea are also available.
Over the next 7 days in Swansea, temperatures are forecast to range from a low of 9°C to a high of 22°C. The 7-day forecast table above shows day-by-day conditions, precipitation probability and hourly breakdowns. For weather in nearby cities, see United Kingdom city pages.
Based on the latest forecast, rain is likely in Swansea on Tuesday, Wednesday, and Thursday (50%+ chance of precipitation). The hourly forecast above gives more precise timing for any showers expected in the next 24 hours.
Monday is forecast to be the warmest day in Swansea this week, with a high of 22°C and sunny conditions expected.
Swansea sits at approximately 51.6° north latitude, which generally produces a temperate climate with four distinct seasons — warm summers, cold winters, and pronounced spring and autumn transitions. Local geography (coast vs. inland, altitude, prevailing winds) shapes the specific weather patterns shown in the forecast above.
Climatically, the best time to visit Swansea is generally late spring (May–June) and early autumn (September–October) in the Northern Hemisphere — pleasant temperatures and longer daylight. Exact timing depends on what you're after — fewer crowds, specific events, lowest rainfall, or warmest weather. Check the forecast above before planning a short trip.
In the Northern Hemisphere, summer falls in June–August and winter in December–February. Spring runs March–May and autumn runs September–November. Swansea follows this Northern/Southern Hemisphere pattern based on its latitude. See the sun page for exact daylight hours through the year.