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Now · 8:03 PM

Llandeilo Weather & Hourly Forecast

United Kingdom · Wales · SA19 6AA

Overcast night
11°C
Overcast night
Feels like: 10°C
💧 Humidity 89% 🌡 Pressure 1027 hPa 💨 Wind 8 km/h 👁 Visibility 31.7 km Clouds 96% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:02 AM 🌇 Sunset 7:14 PM

Hourly Forecast for Llandeilo

Today
Overcast night · 9:00 PM Overcast night
11° 💧 None 💨 7 km/h H 91%1028 hPa
Tomorrow
Overcast night · 12:00 AM Overcast night
10° 💧 None 💨 7 km/h H 92%1027 hPa
Overcast night · 3:00 AM Overcast night
10° 💧 None 💨 6 km/h H 90%1026 hPa
Partly cloudy night · 6:00 AM Partly cloudy night
💧 None 💨 5 km/h H 90%1025 hPa
Mostly cloudy · 9:00 AM Mostly cloudy
12° 💧 None 💨 10 km/h H 81%1025 hPa
Mostly cloudy · 12:00 PM Mostly cloudy
16° 💧 0.0 mm 💨 18 km/h H 75%1024 hPa
Overcast · 3:00 PM Overcast
18° 💧 0.0 mm 💨 17 km/h H 72%1023 hPa
Mostly cloudy · 6:00 PM Mostly cloudy
17° 💧 None 💨 12 km/h H 81%1021 hPa
Mostly clear night · 9:00 PM Mostly clear night
14° 💧 0.0 mm 💨 8 km/h H 94%1021 hPa
Friday
Overcast night · 12:00 AM Overcast night
14° 💧 0.0 mm 💨 8 km/h H 99%1021 hPa
Mostly cloudy night · 3:00 AM Mostly cloudy night
13° 💧 0.0 mm 💨 5 km/h H 100%1020 hPa
Fog at night · 6:00 AM Fog at night
13° 💧 0.0 mm 💨 3 km/h H 100%1019 hPa
Fog · 9:00 AM Fog
14° 💧 0.1 mm 💨 2 km/h H 99%1020 hPa
Mist · 12:00 PM Mist
17° 💧 0.3 mm 💨 7 km/h H 81%1019 hPa
Overcast · 3:00 PM Overcast
16° 💧 None 💨 16 km/h H 77%1019 hPa
Overcast · 6:00 PM Overcast
14° 💧 None 💨 11 km/h H 74%1020 hPa

In Llandeilo and, more broadly, across Carmarthenshire: The rest of the day is expected to be mostly cloudy with mild temperatures ranging from 16 to 19 degrees Celsius. There is a slight chance of some light rain, with a potential accumulation of around 0.2 mm, and a maximum probability of about 26%. Winds will be relatively gentle, coming from the southwest at around 5 mph, with gusts reaching up to 11 mph. Overall, it’s likely to be a mainly cloudy afternoon with a small possibility of light showers, so it may be worth carrying an umbrella if you're planning to be outdoors. The weather conditions should remain fairly mild and calm throughout the remainder of the day.

15-Day Weather Outlook for Llandeilo

TomorrowTomorrow Overcast Overcast 18°/ 💧 None 💨 20 km/h
Friday, Sep 25Fri Sep 25 Mostly cloudy Mostly cloudy 17°/12° 💧 None 💨 17 km/h
Saturday, Sep 26Sat Sep 26 Light rain Light rain 16°/10° 💧 1.8 mm 💨 16 km/h
Sunday, Sep 27Sun Sep 27 Heavy rain Heavy rain 15°/ 💧 11 mm 💨 14 km/h
Monday, Sep 28Mon Sep 28 Partly cloudy Partly cloudy 16°/ 💧 0.0 mm 💨 11 km/h
Tuesday, Sep 29Tue Sep 29 Moderate rain Moderate rain 17°/12° 💧 7.1 mm 💨 38 km/h
Wednesday, Sep 30Wed Sep 30 Moderate rain Moderate rain 15°/12° 💧 14 mm 💨 31 km/h
Thursday, Oct 1Thu Oct 1 Mostly sunny Mostly sunny 13°/ 💧 4.8 mm 💨 19 km/h
Friday, Oct 2Fri Oct 2 Light rain Light rain 13°/ 💧 1.7 mm 💨 20 km/h
Saturday, Oct 3Sat Oct 3 Light rain Light rain 16°/12° 💧 4.0 mm 💨 28 km/h
Sunday, Oct 4Sun Oct 4 Moderate rain Moderate rain 14°/13° 💧 13 mm 💨 32 km/h
Monday, Oct 5Mon Oct 5 Moderate rain Moderate rain 15°/12° 💧 20 mm 💨 27 km/h
Tuesday, Oct 6Tue Oct 6 Moderate rain Moderate rain 12°/ 💧 11 mm 💨 16 km/h
Wednesday, Oct 7Wed Oct 7 Light rain Light rain 14°/ 💧 5.2 mm 💨 14 km/h
Thursday, Oct 8Thu Oct 8 Mostly sunny Mostly sunny / 💧 1.3 mm 💨 6 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Llandeilo

Vertical axis: °C · Color based on temperature
Overcast night at 9:00 PM
11° Today 9:00 PM
Overcast night at 10:00 PM
10° 10:00 PM
Overcast night at 11:00 PM
10° 11:00 PM
Overcast night at 12:00 AM
10° 12:00 AM
Overcast night at 1:00 AM
10° Tomorrow 1:00 AM
Overcast night at 2:00 AM
10° 2:00 AM
Overcast night at 3:00 AM
10° 3:00 AM
Overcast night at 4:00 AM
10° 4:00 AM
Mostly cloudy night at 5:00 AM
11° Tomorrow 5:00 AM
Partly cloudy night at 6:00 AM
6:00 AM
Mostly cloudy night at 7:00 AM
7:00 AM
Mostly cloudy at 8:00 AM
10° 8:00 AM
Mostly cloudy at 9:00 AM
12° Tomorrow 9:00 AM
Mostly cloudy at 10:00 AM
14° 10:00 AM
Mostly cloudy at 11:00 AM
16° 11:00 AM
Mostly cloudy at 12:00 PM
16° 12:00 PM
Mostly cloudy at 1:00 PM
17° Tomorrow 1:00 PM
Mostly cloudy at 2:00 PM
18° 2:00 PM
Overcast at 3:00 PM
18° 3:00 PM
Overcast at 4:00 PM
18° 4:00 PM
Overcast at 5:00 PM
18° Tomorrow 5:00 PM
Mostly cloudy at 6:00 PM
17° 6:00 PM
Mostly cloudy at 7:00 PM
15° 7:00 PM
Partly cloudy night at 8:00 PM
14° 8:00 PM
Mostly clear night at 9:00 PM
14° Tomorrow 9:00 PM
Mostly clear night at 10:00 PM
14° 10:00 PM
Mostly cloudy night at 11:00 PM
14° 11:00 PM
Overcast night at 12:00 AM
14° 12:00 AM
Mist at night at 1:00 AM
14° Friday 1:00 AM
Overcast night at 2:00 AM
13° 2:00 AM
Mostly cloudy night at 3:00 AM
13° 3:00 AM
Overcast night at 4:00 AM
12° 4:00 AM
Fog at night at 5:00 AM
13° Friday 5:00 AM
Fog at night at 6:00 AM
13° 6:00 AM
Fog at night at 7:00 AM
13° 7:00 AM
Fog at 8:00 AM
13° 8:00 AM
Fog at 9:00 AM
14° Friday 9:00 AM
Mist at 10:00 AM
15° 10:00 AM
Mist at 11:00 AM
16° 11:00 AM
Mist at 12:00 PM
17° 12:00 PM
Light rain at 1:00 PM
17° Friday 1:00 PM
Overcast at 2:00 PM
16° 2:00 PM
Overcast at 3:00 PM
16° 3:00 PM
Overcast at 4:00 PM
15° 4:00 PM
Overcast at 5:00 PM
14° Friday 5:00 PM
Overcast at 6:00 PM
14° 6:00 PM
Overcast at 7:00 PM
13° 7:00 PM
Overcast night at 8:00 PM
13° 8:00 PM
Overcast night at 9:00 PM
12° Friday 9:00 PM
Overcast night at 10:00 PM
12° 10:00 PM
Overcast night at 11:00 PM
11° 11:00 PM
Overcast night at 12:00 AM
10° 12:00 AM
Overcast night at 1:00 AM
10° Saturday 1:00 AM
Overcast night at 2:00 AM
2:00 AM
Overcast night at 3:00 AM
3:00 AM
Overcast night at 4:00 AM
4:00 AM
Overcast night at 5:00 AM
Saturday 5:00 AM
Overcast night at 6:00 AM
6:00 AM
Overcast night at 7:00 AM
7:00 AM
Overcast at 8:00 AM
10° 8:00 AM
Sunny at 9:00 AM
12° Saturday 9:00 AM
Sunny at 10:00 AM
14° 10:00 AM
Mostly sunny at 11:00 AM
16° 11:00 AM
Partly cloudy at 12:00 PM
17° 12:00 PM
Mostly sunny at 1:00 PM
17° Saturday 1:00 PM
Partly cloudy at 4:00 PM
16° 4:00 PM
Sunny at 7:00 PM
13° 7:00 PM
Clear night at 10:00 PM
10° 10:00 PM
Mostly clear night at 1:00 AM
10° Sunday 1:00 AM
Clear night at 4:00 AM
4:00 AM
Overcast night at 7:00 AM
7:00 AM
Overcast at 10:00 AM
14° 10:00 AM
Heavy rain at 1:00 PM
14° Sunday 1:00 PM
Light rain at 4:00 PM
15° 4:00 PM
Mostly sunny at 7:00 PM
13° 7:00 PM
Mostly cloudy night at 10:00 PM
12° 10:00 PM
Overcast night at 1:00 AM
10° Monday 1:00 AM
Overcast night at 4:00 AM
4:00 AM
Mostly cloudy night at 7:00 AM
7:00 AM
Mostly sunny at 10:00 AM
12° 10:00 AM
Partly cloudy at 1:00 PM
15° Monday 1:00 PM
Mostly sunny at 4:00 PM
16° 4:00 PM
Overcast at 7:00 PM
12° 7:00 PM
Partly cloudy night at 10:00 PM
10° 10:00 PM
Overcast night at 1:00 AM
12° Tuesday 1:00 AM
Moderate rain at 4:00 AM
13° 4:00 AM
Moderate rain at 7:00 AM
16° 7:00 AM
Light rain at 1:00 PM
16° 1:00 PM
Light rain at 7:00 PM
17° Tuesday 7:00 PM
Light rain at 1:00 AM
13° 1:00 AM
Light rain at 7:00 AM
12° 7:00 AM
Mostly cloudy at 1:00 PM
14° 1:00 PM
Moderate rain at 7:00 PM
15° Wednesday 7:00 PM
Mostly cloudy night at 1:00 AM
12° 1:00 AM
Partly cloudy night at 7:00 AM
10° 7:00 AM
Mostly sunny at 1:00 PM
1:00 PM
Clear night at 7:00 PM
13° Thursday 7:00 PM
Mostly clear night at 1:00 AM
1:00 AM
Mostly clear night at 7:00 AM
7:00 AM
Overcast at 1:00 PM
10° 1:00 PM
Light rain at 7:00 PM
13° Friday 7:00 PM
Light rain at 1:00 AM
13° 1:00 AM
Overcast night at 7:00 AM
13° 7:00 AM
Overcast at 1:00 PM
12° 1:00 PM
Mostly cloudy night at 7:00 PM
16° Saturday 7:00 PM
Overcast night at 1:00 AM
14° 1:00 AM
Overcast night at 7:00 AM
14° 7:00 AM
Moderate rain at 1:00 PM
13° 1:00 PM
Moderate rain at 7:00 PM
14° Sunday 7:00 PM
Light rain at 1:00 AM
15° 1:00 AM
Moderate rain at 7:00 AM
14° 7:00 AM
Light rain at 1:00 PM
12° 1:00 PM
Light rain at 7:00 PM
14° Monday 7:00 PM
Light rain at 1:00 AM
11° 1:00 AM
Mostly cloudy night at 7:00 AM
7:00 AM
Overcast at 1:00 PM
1:00 PM
Moderate rain at 7:00 PM
12° Tuesday 7:00 PM
Light rain at 1:00 AM
1:00 AM
Mostly clear night at 7:00 AM
7:00 AM
Mostly sunny at 1:00 PM
1:00 PM
Overcast night at 7:00 PM
14° Wednesday 7:00 PM
Clear night at 1:00 AM
1:00 AM
Mostly clear night at 7:00 AM
7:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Llandeilo

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 9:00 PM
PM2.5 Fine particles Good 1,6µg/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 2,6µg/m³

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

O₃ Ozone Good 58,7µg/m³

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

NO₂ Nitrogen dioxide Good 3,9µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Llandeilo

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 3,0Moderate 😊Good
Tomorrow UV 3,5Moderate 🙂Fair
Friday UV 3,2Moderate 🙂Fair
Saturday UV 3,0Moderate 🙂Fair
Sunday UV 4,0Moderate 😐Moderate
Monday UV 3,0Moderate Unavailable
Tuesday UV 4,0Moderate Unavailable
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

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 Llandeilo

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

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

45/100Best-hour score
No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.
Cloud cover 75% Real hourly forecast for the best viewing hour.
Moonlight 93% Waxing Gibbous · Moon below the horizon at the best viewing hour.
Meteor activity Southern Taurids Reference ZHR 7 · Radiant 53° high at the best hour.
Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.
Chance ≥1 meteor in 30 minNot meaningful
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
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
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 Llandeilo were last refreshed today at 8:03 PM. The current forecast period extends through 25/09/2026 at 6:00 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.