Caernarfon, GB Weather Forecast - Airpult Caernarfon ========== Gwynedd, Wales, [United Kingdom](https://airpult.com/climate/gb) [View stargazing score](https://airpult.com/stargazing/gb/caernarfon/09u40ndv09p9d0cxd5uje)[View climate insights](https://airpult.com/climate/gb/caernarfon/09u40ndv09p9d0cxd5uje)[View historical weather data](https://airpult.com/history/gb/caernarfon/09u40ndv09p9d0cxd5uje) Current Weather --------------- 16° (60°) Windy and Overcast Feels Like: 15° (59°) Min: 10° (50°) Max: 16° (61°) The next few hours will be windy and overcast, with tomorrow reaching 12°C and dropping to 11°C. The coming days will be drizzle Hourly Forecast --------------- | Time | Temperature | Rain chance | | --- | --- | --- | | 7pm | 16°C (60°F) | 0% | | 8pm | 16°C (60°F) | 0% | | 9pm | 16°C (60°F) | 0% | | 10pm | 16°C (60°F) | 100% | | 11pm | 16°C (60°F) | 100% | | 12am | 16°C (60°F) | 100% | | 1am | 16°C (60°F) | 88% | | 2am | 15°C (58°F) | 88% | | 3am | 13°C (56°F) | 88% | | 4am | 13°C (55°F) | 0% | | 5am | 12°C (54°F) | 0% | | 6am | 12°C (53°F) | 0% | | 7am | 12°C (53°F) | 0% | | 8am | 11°C (53°F) | 0% | | 9am | 11°C (52°F) | 0% | | 10am | 11°C (52°F) | 0% | | 11am | 11°C (52°F) | 24% | | 12pm | 12°C (53°F) | 24% | | 1pm | 12°C (53°F) | 24% | | 2pm | 12°C (53°F) | 24% | | 3pm | 12°C (53°F) | 24% | | 4pm | 11°C (52°F) | 18% | | 5pm | 11°C (52°F) | 18% | | 6pm | 11°C (52°F) | 0% | Air Quality ----------- 31 Good Air quality is satisfactory, and air pollution poses little or no risk. GoodHazardous ### Pollen Levels Tree PollenLow Grass PollenLow Weed PollenLow Daylight Hours -------------- 07:15 Sunrise 16:46 Sunset 9 hours 31 minutes of sunlight today Moon ---- [Full Moon](https://airpult.com/astronomy/moon-phases) 16:30 Moonrise 07:40 Moonset Daily Forecast -------------- Today 10° (50°) 16° (61°) Tuesday 11° (51°) 16° (60°) Wednesday 11° (52°) 14° (57°) Thursday 11° (52°) 15° (58°) Friday 11° (52°) 15° (59°) Saturday 10° (50°) 14° (57°) Sunday 7° (44°) 11° (53°) Monday 5° (40°) 11° (53°) Tuesday 4° (38°) 11° (53°) Wednesday 7° (45°) 11° (52°) Resources --------- [Ocean Currents Explained: How the Ocean Shapes Weather and Climate![Ocean Currents Explained: How the Ocean Shapes Weather and Climate](https://cdn.airpult.com/storage/mwm7r2fav9jzey9d9m9x.jpg)](https://airpult.com/resources/ocean-currents)[Rainbows Explained: Why They Form and Where to Look![Rainbows Explained: Why They Form and Where to Look](https://cdn.airpult.com/storage/0mpjzanljyy1bn930cya.png)](https://airpult.com/resources/rainbows)[How Weather Radar and Satellite Imagery Work![How Weather Radar and Satellite Imagery Work](https://cdn.airpult.com/storage/hnhdi2zur73osoon7n9y.png)](https://airpult.com/resources/radar-satellite) UV Index -------- No protection needed 0Low LowExtreme Humidity -------- 88%Humid LowHigh Looking at the night sky? ------------------------- See moon phases, eclipses, and seasons for this year. [View astronomy](https://airpult.com/astronomy) Current stargazing conditions? ------------------------------ See sky darkness, moon phase, and the best viewing window for Caernarfon. [View stargazing score](https://airpult.com/stargazing/gb/caernarfon/09u40ndv09p9d0cxd5uje) Weather in Caernarfon tomorrow, October 27, 2026 ------------------------------------------------ Caernarfon is set for a fine, sunny day on October 27, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 00:00. Cloud is also thick early on, peaking near 100% around 00:00. (Caernarfon is set for a fine, sunny day on October 27, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 00:00. Cloud is also thick early on, peaking near 100% around 00:00.) The day peaks near 16°C and cools toward 11°C. Expect humidity between 68% and 90%, most humid near 00:00. Breezes become lively, peaking around 01:00 near 59 km/h. (The day peaks near 60°F and cools toward 51°F. Expect humidity between 68% and 90%, most humid near 00:00. Breezes become lively, peaking around 01:00 near 37 mph.) Afternoon showers stay in play, peaking near 24% around 12:00. Skies remain cluttered, with cover about 75% by 17:00. Expect visibility near 35.3 km, with poorer spells close to 22.3 km. The sun rises at 07:17 and sets at 16:44, for a total of 9 hours 27 minutes of sunlight today. (Afternoon showers stay in play, peaking near 24% around 12:00. Skies remain cluttered, with cover about 75% by 17:00. Expect visibility near 22 mi, with poorer spells close to 13.8 mi. The sun rises at 07:17 and sets at 16:44, for a total of 9 hours 27 minutes of sunlight today.) Taken together, Caernarfon looks wet enough on October 27, 2026 that flexible outdoor plans work best, with temperatures peaking near 16°C. (Taken together, Caernarfon looks wet enough on October 27, 2026 that flexible outdoor plans work best, with temperatures peaking near 60°F.) [Powered by Airpult](https://platform.airpult.com) Frequently asked questions about weather in Caernarfon ------------------------------------------------------ ### How warm does it get in Caernarfon? The warmest month in Caernarfon is July, with average high temperatures of 19°C. The average temperature during this period is around 16°C. (The warmest month in Caernarfon is July, with average high temperatures of 66°F. The average temperature during this period is around 61°F.) ### How cold does it get in Caernarfon? The coldest month in Caernarfon is January, with average low temperatures of 4°C. The average temperature during this period is around 6°C. (The coldest month in Caernarfon is January, with average low temperatures of 39°F. The average temperature during this period is around 43°F.) ### What is the wettest time of year in Caernarfon? The wettest month in Caernarfon is December, with an average of 117 mm of precipitation. (The wettest month in Caernarfon is December, with an average of 4.6 in of precipitation.) ### What is the driest time of year in Caernarfon? The driest month in Caernarfon is May, with an average of 66 mm of precipitation. (The driest month in Caernarfon is May, with an average of 2.6 in of precipitation.) [View full climate insights for Caernarfon →](https://airpult.com/climate/gb/caernarfon/09u40ndv09p9d0cxd5uje)