Caernarfon weather — 10-day forecast
Temperature, rain, wind and feels-like in Caernarfon, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 00:00 · Meteo-France AROME 1.3 km model
13 °C
Clear sky
Feels like 11 °C
Next 12 h
- 0013°
- 0113°
- 0213°
- 0312°
- 0411°
- 0511°
- 05:46Sunrise
- 0612°
- 0713°
- 0815°
- 0918°
- 1019°
- 1120°
- 1220°
↓ 11°05:00↑ 20°11:00
- Humidity
- 85 %
- Dew point
- 11 °C
- Gusts
- 16.8 km/h
- Clouds
- 1 %
- Pressure
- 1,022 hPa
Grid point 0.1 km away · 1.3 km grid · elevation 22 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 62.4µg/m³
- PM2.5
- 7.3µg/m³
- PM10
- 11.6µg/m³
- Nitrogen dioxide
- 1.8µg/m³
- Sulphur dioxide
- 0.8µg/m³
- Carbon monoxide
- 112.0µg/m³
- Dust (AOD)
- 0.00
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
9 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Partly cloudy
21°
11°
Sun
Light drizzle38 %
21°
16°
Mon
Partly cloudy38 %
20°
13°
Tue
Partly cloudy
25°
13°
Wed
Partly cloudy0 mm
28°
18°
Thu
Overcast
21°
18°
Fri
Overcast
22°
17°
Sat
Light drizzle2 mm
18°
15°
Sun
Partly cloudy
18°
14°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 05:46
- Daylight
- 15 h 13
- Sunset
- 20:59
Radiation · 22.9 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Caernarfon the mean temperature will be 16.7 °C — +1.2 °C against the normal for 8 August, measured from 1940 to 2026. (1,290 obs.)