Weather forecast in Caernarfon

This data display current weather and forecast for the coming days in Caernarfon. 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.

Caernarfon current temperature and weather

18 October 2025

Night
8.3°C Feels like: 6.8°C	Clear
	Wind: 8.6 Km/h (5.4 mph) E Pressure: 1023 hPa (30.21 inHg) Humidity: 81%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0
Morning
11.2°C Feels like: 10.2°C	Cloudy
	Wind: 9 Km/h (5.6 mph) SE Pressure: 1022 hPa (30.17 inHg) Humidity: 80%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0.1
Day
13.4°C Feels like: 12.4°C	Cloudy
	Wind: 13 Km/h (8.1 mph) SE Pressure: 1017 hPa (30.02 inHg) Humidity: 75%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0.7
Evening
11.1°C Feels like: 9.5°C	Patchy rain nearby
	Wind: 13 Km/h (8.1 mph) SE Pressure: 1012 hPa (29.88 inHg) Humidity: 78%	Precip. prob.: 72% Visibility: 10 km (6 mi) UV index: 0

Marine weather forecast Caernarfon

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

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

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Our report for Caernarfon 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.