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

10.3 km/hforce 2

Next 12 h

  • 1613°
  • 1713°
  • 1811°
  • 18:13Sunset
  • 199°
  • 208°
  • 217°
  • 228°
  • 238°
  • 009°
  • 019°
  • 028°
  • 037°
  • 046°

↑ 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.

Reading from 13:00
20
Good

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.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

6° → 15°

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.

Max UV2low
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.

0.3 mperiod 2 s 107°

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.)

Caernarfon climate — normals and trends →

Nearby cities

The climate around Caernarfon