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Now · 3:39 PM

Gaerwen Weather & Hourly Forecast

United Kingdom · Wales · LL60 6AF

Overcast
17°C
Overcast
Feels like: 11°C
💧 Humidity 78% 🌡 Pressure 1014 hPa 💨 Wind 35 km/h 👁 Visibility 42.4 km Clouds 100% ☀️ UV index 3.1 · Moderate 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Gaerwen

Today
Overcast · 4:00 PM Overcast
17° 💧 0.9 mm 💨 35 km/h H 78%1014 hPa
Light rain · 7:00 PM Light rain
15° 💧 4.4 mm 💨 30 km/h H 92%1013 hPa
Light rain · 10:00 PM Light rain
15° 💧 0.8 mm 💨 31 km/h H 90%1011 hPa
Tomorrow
Overcast night · 1:00 AM Overcast night
14° 💧 0.1 mm 💨 26 km/h H 91%1010 hPa
Partly cloudy night · 4:00 AM Partly cloudy night
13° 💧 0.0 mm 💨 18 km/h H 83%1009 hPa
Partly cloudy · 7:00 AM Partly cloudy
13° 💧 0.2 mm 💨 20 km/h H 84%1009 hPa
Mostly sunny · 10:00 AM Mostly sunny
14° 💧 0.3 mm 💨 25 km/h H 80%1009 hPa
Light rain · 1:00 PM Light rain
15° 💧 0.9 mm 💨 27 km/h H 74%1009 hPa
Light rain · 4:00 PM Light rain
14° 💧 1.1 mm 💨 27 km/h H 76%1009 hPa
Light rain · 7:00 PM Light rain
14° 💧 0.2 mm 💨 25 km/h H 79%1010 hPa
Mostly clear night · 10:00 PM Mostly clear night
13° 💧 0.0 mm 💨 24 km/h H 75%1011 hPa
Wednesday
Mostly clear night · 1:00 AM Mostly clear night
13° 💧 0.0 mm 💨 24 km/h H 80%1013 hPa
Mostly cloudy night · 4:00 AM Mostly cloudy night
13° 💧 0.1 mm 💨 23 km/h H 85%1014 hPa
Mostly cloudy · 7:00 AM Mostly cloudy
13° 💧 0.1 mm 💨 19 km/h H 85%1016 hPa
Partly cloudy · 10:00 AM Partly cloudy
14° 💧 0.3 mm 💨 21 km/h H 80%1018 hPa
Light rain · 1:00 PM Light rain
15° 💧 0.5 mm 💨 15 km/h H 76%1018 hPa

In Gaerwen and, more broadly, across Isle of Anglesey: The late afternoon will see mostly cloudy skies, with temperatures remaining mild at around 15 to 17 degrees Celsius. There is a good chance of rain, with potential accumulation of about 2.6 mm, especially later in the evening. Winds from the southwest will be noticeable, reaching up to 22 mph, with gusts potentially peaking at 34 mph. Conditions may feel quite breezy as the evening progresses, and there could be periods of light rain. It’s advisable to carry an umbrella or waterproof outerwear if heading out during this time. Temperatures are expected to stay fairly steady through the evening, gradually cooling as night approaches. Overall, it's a damp and breezy end to the day, with the weather remaining quite unsettled.

15-Day Weather Outlook for Gaerwen

TomorrowTomorrow Overcast Overcast 15°/13° 💧 None 💨 27 km/h
Wednesday, Sep 9Wed Sep 9 Mostly sunny Mostly sunny 15°/11° 💧 None 💨 24 km/h
Thursday, Sep 10Thu Sep 10 Moderate rain Moderate rain 17°/11° 💧 15 mm 💨 28 km/h
Friday, Sep 11Fri Sep 11 Moderate rain Moderate rain 16°/11° 💧 5.0 mm 💨 28 km/h
Saturday, Sep 12Sat Sep 12 Moderate rain Moderate rain 17°/11° 💧 0.4 mm 💨 33 km/h
Sunday, Sep 13Sun Sep 13 Moderate rain Moderate rain 17°/15° 💧 7.2 mm 💨 31 km/h
Monday, Sep 14Mon Sep 14 Light rain Light rain 17°/14° 💧 0.3 mm 💨 35 km/h
Tuesday, Sep 15Tue Sep 15 Light rain Light rain 16°/13° 💧 3.4 mm 💨 32 km/h
Wednesday, Sep 16Wed Sep 16 Light rain Light rain 15°/13° 💧 1.1 mm 💨 16 km/h
Thursday, Sep 17Thu Sep 17 Light rain Light rain 15°/13° 💧 3.6 mm 💨 25 km/h
Friday, Sep 18Fri Sep 18 Partly cloudy Partly cloudy 15°/11° 💧 0.2 mm 💨 13 km/h
Saturday, Sep 19Sat Sep 19 Overcast Overcast 16°/10° 💧 0.0 mm 💨 22 km/h
Sunday, Sep 20Sun Sep 20 Overcast Overcast 17°/16° 💧 1.1 mm 💨 22 km/h
Monday, Sep 21Mon Sep 21 Light rain Light rain 17°/15° 💧 2.9 mm 💨 22 km/h
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 15°/15° 💧 0.1 mm 💨 8 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Gaerwen

Vertical axis: °C · Color based on temperature
Overcast at 4:00 PM
17° Today 4:00 PM
Overcast at 5:00 PM
16° 5:00 PM
Light rain at 6:00 PM
15° 6:00 PM
Light rain at 7:00 PM
15° 7:00 PM
Light rain at 8:00 PM
15° Today 8:00 PM
Light rain at 9:00 PM
15° 9:00 PM
Light rain at 10:00 PM
15° 10:00 PM
Light rain at 11:00 PM
15° 11:00 PM
Overcast night at 12:00 AM
15° Tomorrow 12:00 AM
Overcast night at 1:00 AM
14° 1:00 AM
Overcast night at 2:00 AM
14° 2:00 AM
Mostly cloudy night at 3:00 AM
14° 3:00 AM
Partly cloudy night at 4:00 AM
13° Tomorrow 4:00 AM
Mostly cloudy night at 5:00 AM
13° 5:00 AM
Partly cloudy night at 6:00 AM
13° 6:00 AM
Partly cloudy at 7:00 AM
13° 7:00 AM
Mostly sunny at 8:00 AM
13° Tomorrow 8:00 AM
Light rain at 9:00 AM
13° 9:00 AM
Mostly sunny at 10:00 AM
14° 10:00 AM
Mostly sunny at 11:00 AM
14° 11:00 AM
Light rain at 12:00 PM
15° Tomorrow 12:00 PM
Light rain at 1:00 PM
15° 1:00 PM
Overcast at 2:00 PM
15° 2:00 PM
Light rain at 3:00 PM
15° 3:00 PM
Light rain at 4:00 PM
14° Tomorrow 4:00 PM
Light rain at 5:00 PM
14° 5:00 PM
Light rain at 6:00 PM
15° 6:00 PM
Light rain at 7:00 PM
14° 7:00 PM
Mostly clear night at 8:00 PM
14° Tomorrow 8:00 PM
Mostly clear night at 9:00 PM
14° 9:00 PM
Mostly clear night at 10:00 PM
13° 10:00 PM
Mostly clear night at 11:00 PM
13° 11:00 PM
Mostly clear night at 12:00 AM
13° Wednesday 12:00 AM
Mostly clear night at 1:00 AM
13° 1:00 AM
Partly cloudy night at 2:00 AM
13° 2:00 AM
Partly cloudy night at 3:00 AM
13° 3:00 AM
Mostly cloudy night at 4:00 AM
13° Wednesday 4:00 AM
Mostly cloudy night at 5:00 AM
13° 5:00 AM
Mostly cloudy night at 6:00 AM
13° 6:00 AM
Mostly cloudy at 7:00 AM
13° 7:00 AM
Partly cloudy at 8:00 AM
13° Wednesday 8:00 AM
Mostly sunny at 9:00 AM
14° 9:00 AM
Partly cloudy at 10:00 AM
14° 10:00 AM
Mostly cloudy at 11:00 AM
15° 11:00 AM
Light rain at 12:00 PM
15° Wednesday 12:00 PM
Light rain at 1:00 PM
15° 1:00 PM
Light rain at 2:00 PM
15° 2:00 PM
Light rain at 3:00 PM
15° 3:00 PM
Partly cloudy at 4:00 PM
15° Wednesday 4:00 PM
Partly cloudy at 5:00 PM
15° 5:00 PM
Mostly cloudy at 6:00 PM
14° 6:00 PM
Mostly cloudy at 7:00 PM
14° 7:00 PM
Overcast night at 8:00 PM
11° Wednesday 8:00 PM
Mostly cloudy night at 9:00 PM
11° 9:00 PM
Overcast night at 10:00 PM
11° 10:00 PM
Overcast night at 11:00 PM
11° 11:00 PM
Overcast night at 12:00 AM
11° Thursday 12:00 AM
Overcast night at 1:00 AM
11° 1:00 AM
Mostly cloudy at 10:00 AM
14° 10:00 AM
Light rain at 1:00 PM
16° 1:00 PM
Light rain at 4:00 PM
16° Thursday 4:00 PM
Light rain at 7:00 PM
16° 7:00 PM
Overcast night at 10:00 PM
16° 10:00 PM
Partly cloudy night at 1:00 AM
14° 1:00 AM
Partly cloudy night at 4:00 AM
13° Friday 4:00 AM
Mostly sunny at 7:00 AM
12° 7:00 AM
Mostly sunny at 10:00 AM
15° 10:00 AM
Sunny at 1:00 PM
16° 1:00 PM
Mostly cloudy at 4:00 PM
16° Friday 4:00 PM
Mostly sunny at 7:00 PM
15° 7:00 PM
Partly cloudy night at 10:00 PM
11° 10:00 PM
Mostly cloudy night at 1:00 AM
11° 1:00 AM
Mostly cloudy night at 4:00 AM
12° Saturday 4:00 AM
Mostly cloudy at 7:00 AM
12° 7:00 AM
Overcast at 10:00 AM
15° 10:00 AM
Overcast at 1:00 PM
17° 1:00 PM
Overcast at 4:00 PM
17° Saturday 4:00 PM
Moderate rain at 7:00 PM
16° 7:00 PM
Light rain at 10:00 PM
16° 10:00 PM
Light rain at 1:00 AM
16° 1:00 AM
Partly cloudy night at 4:00 AM
14° Sunday 4:00 AM
Light rain at 7:00 AM
14° 7:00 AM
Mostly cloudy at 1:00 PM
15° 1:00 PM
Light rain at 7:00 PM
17° 7:00 PM
Partly cloudy night at 1:00 AM
15° Monday 1:00 AM
Mostly cloudy at 7:00 AM
15° 7:00 AM
Mostly sunny at 1:00 PM
14° 1:00 PM
Light rain at 7:00 PM
17° 7:00 PM
Mostly cloudy night at 1:00 AM
16° Tuesday 1:00 AM
Light rain at 7:00 AM
16° 7:00 AM
Mostly sunny at 1:00 PM
13° 1:00 PM
Partly cloudy at 7:00 PM
15° 7:00 PM
Mostly clear night at 1:00 AM
15° Wednesday 1:00 AM
Partly cloudy at 7:00 AM
13° 7:00 AM
Overcast at 1:00 PM
13° 1:00 PM
Light rain at 7:00 PM
15° 7:00 PM
Overcast night at 1:00 AM
13° Thursday 1:00 AM
Partly cloudy at 7:00 AM
13° 7:00 AM
Overcast at 1:00 PM
13° 1:00 PM
Light rain at 7:00 PM
15° 7:00 PM
Clear night at 1:00 AM
13° Friday 1:00 AM
Sunny at 7:00 AM
11° 7:00 AM
Partly cloudy at 1:00 PM
11° 1:00 PM
Partly cloudy at 7:00 PM
15° 7:00 PM
Clear night at 1:00 AM
12° Saturday 1:00 AM
Partly cloudy at 7:00 AM
10° 7:00 AM
Partly cloudy at 1:00 PM
13° 1:00 PM
Partly cloudy at 7:00 PM
16° 7:00 PM
Overcast night at 1:00 AM
15° Sunday 1:00 AM
Overcast at 7:00 AM
16° 7:00 AM
Overcast at 1:00 PM
16° 1:00 PM
Overcast at 7:00 PM
17° 7:00 PM
Overcast night at 1:00 AM
16° Monday 1:00 AM
Light rain at 7:00 AM
15° 7:00 AM
Overcast at 1:00 PM
15° 1:00 PM
Overcast at 7:00 PM
17° 7:00 PM
Overcast night at 1:00 AM
16° Tuesday 1:00 AM
Overcast night at 7:00 AM
15° 7:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Gaerwen

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 4:00 PM
PM2.5 Fine particles Good 1,9µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 8,8µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 78,8µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Gaerwen

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 3,9Moderate 🙂Fair
Tomorrow UV 2,7Low 🙂Fair
Wednesday UV 3,1Moderate 🙂Fair
Thursday UV 2,1Low 🙂Fair
Friday UV 5,0Moderate 🙂Fair
Saturday UV 4,0Moderate Unavailable
Sunday UV 4,0Moderate Unavailable
Hourly UV index today
4:00 PMUV 1,5 5:00 PMUV 1,0 6:00 PMUV 0,3 7:00 PMUV 0,1
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Gaerwen

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 4:00 PM 5:00 PM 6:00 PM 7:00 PM Today 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tomorrow 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tomorrow 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tomorrow 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tomorrow 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tomorrow 4:00 PM 5:00 PM 6:00 PM 7:00 PM Tomorrow 8:00 PM 9:00 PM 10:00 PM 11:00 PM Wednesday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Wednesday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Wednesday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Wednesday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Wednesday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Wednesday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Thursday 12:00 AM 1:00 AM 10:00 AM 1:00 PM Thursday 4:00 PM 7:00 PM 10:00 PM 1:00 AM Friday 4:00 AM 7:00 AM 10:00 AM 1:00 PM Friday 4:00 PM 7:00 PM 10:00 PM 1:00 AM Saturday 4:00 AM 7:00 AM 10:00 AM 1:00 PM Saturday 4:00 PM 7:00 PM 10:00 PM 1:00 AM Sunday 4:00 AM 7:00 AM 1:00 PM 7:00 PM Monday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Tuesday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Wednesday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Thursday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Friday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Saturday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Sunday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Monday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Tuesday 1:00 AM 7:00 AM
Sustained wind Max gusts
NIGHT SKY · GAERWEN, WALES

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

61/100Best-hour score
BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:59 PM–4:32 AM
Cloud cover 53% Real hourly forecast for the best viewing hour.
Moonlight 15% Waning Crescent · Moon about 9° above the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 71° high at the best hour.
Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min59%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Gaerwen were last refreshed today at 3:39 PM. The current forecast period extends through 09/09/2026 at 1:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.