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Weather forecast in Porthgain

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This data display current weather and forecast for the coming days in Porthgain. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Porthgain current temperature and weather

6 September 2025
Night
Clear
15.6°C
Feels like:
15.6°C
Clear
Wind: 24.8 Km/h (15.4 mph) SE SE
Pressure: 1017 hPa (30.04 inHg)
Humidity: 84%
Precip. prob.: 0%
Visibility: 10 km (6 mi)

UV index: 0
Morning
Sunny
16.2°C
Feels like:
16.2°C
Sunny
Wind: 35.3 Km/h (21.9 mph) SE SE
Pressure: 1014 hPa (29.95 inHg)
Humidity: 81%
Precip. prob.: 0%
Visibility: 10 km (6 mi)

UV index: 0.5
Day
Sunny
19.1°C
Feels like:
19.1°C
Sunny
Wind: 41 Km/h (25.5 mph) SE SE
Pressure: 1009 hPa (29.79 inHg)
Humidity: 62%
Precip. prob.: 0%
Visibility: 10 km (6 mi)

UV index: 3.2
Evening
Partly Cloudy
19.1°C
Feels like:
19.1°C
Partly Cloudy
Wind: 42.8 Km/h (26.6 mph) SE SE
Pressure: 1004 hPa (29.66 inHg)
Humidity: 60%
Precip. prob.: 0%
Visibility: 10 km (6 mi)

UV index: 0


Marine weather forecast Porthgain

The graphs show wave heights and directions, as well as wind speed and direction in Porthgain for the coming days. Click on the sea state chart for more details




You may also be interested in other sections of our site for Porthgain: Sea temperature, Sunrise and Sunset, Tides

Porthgain weather by month

In order for you to be able to estimate what the weather is like in Porthgain throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Wales photo gallery

  • Wales
  • Early morning swimming in caswell bay
  • Nefyn beach on a sunny day in July
  • Nefyn Beach on a wet day in August

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

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Our report for Porthgain is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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