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 03:00 · Meteo-France AROME 1.3 km model
6 °C
Overcast
Feels like 3 °C
Next 12 h
- 036°
- 046°
- 057°
- 067°
- 077°
- 07:53Sunrise
- 089°
- 099°
- 1010°
- 1111°
- 1211°
- 1311°93 %
- 1411°93 %
- 1511°92 %
↓ 6°04:00↑ 11°12:00
- Humidity
- 88 %
- Dew point
- 4 °C
- Gusts
- 10.5 km/h
- Clouds
- 92 %
- Pressure
- 1,017 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 PM2.5
- PM2.5
- 12.9µg/m³
- PM10
- 13.6µg/m³
- Ozone
- 34.4µg/m³
- Nitrogen dioxide
- 7.6µg/m³
- Sulphur dioxide
- 1.2µg/m³
- Carbon monoxide
- 152.0µg/m³
- Dust (AOD)
- 0.01
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
Light rain100 %
11°
6°
Wed
Light rain100 %
11°
8°
Thu
Light rain100 %
12°
8°
Fri
Light rain100 %
11°
9°
Sat
Rain98 %
15°
9°
Sun
Light drizzle2 mm
13°
9°
Mon
Light rain5 mm
16°
10°
Tue
Light drizzle5 mm
15°
11°
Wed
Mainly clear0 mm
13°
10°
Gusts · Wed 66.9 km/h · Fri 68.2 km/h · Sat 92.7 km/h · Sun 87.3 km/h · Mon 51.7 km/h · Tue 76.5 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:53
- Daylight
- 10 h 18
- Sunset
- 18:11
Radiation · 2.2 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 8.8 °C — -1.7 °C against the normal for 20 October, measured from 1940 to 2026. (1,290 obs.)