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 16:00 · Meteo-France AROME 1.3 km model
13 °C
Overcast
Feels like 11 °C
Next 12 h
↑ 13°16:00↓ 6°04:00
- Humidity
- 64 %
- Dew point
- 7 °C
- Gusts
- 23.8 km/h
- Clouds
- 100 %
- Pressure
- 1,023 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
- 49.8µg/m³
- PM2.5
- 1.7µg/m³
- PM10
- 1.8µg/m³
- Nitrogen dioxide
- 2.5µg/m³
- Sulphur dioxide
- 0.6µg/m³
- Carbon monoxide
- 134.0µg/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.
10 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
Mainly clear10 %
14°
7°
Tue
Light rain70 %
10°
6°
Wed
Light rain100 %
11°
9°
Thu
Light rain94 %
12°
9°
Fri
Light rain100 %
13°
8°
Sat
Light rain10 mm
15°
9°
Sun
Light rain6 mm
15°
10°
Mon
Light rain4 mm
12°
10°
Tue
Light rain13 mm
12°
11°
Wed
Light drizzle6 mm
13°
10°
Gusts · Wed 64.3 km/h · Fri 77.1 km/h · Sat 61.3 km/h · Sun 89.5 km/h · Tue 83.4 km/h · Wed 69.4 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:51
- Daylight
- 10 h 22
- Sunset
- 18:13
Radiation · 8.6 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 11.0 °C — +0.5 °C against the normal for 19 October, measured from 1940 to 2026. (1,291 obs.)