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Now · 8:38 PM

Mynyddygarreg Weather & Hourly Forecast

United Kingdom · Wales · SA17 4LP

Partly cloudy night
14°C
Partly cloudy night
Feels like: 13°C
💧 Humidity 88% 🌡 Pressure 1024 hPa 💨 Wind 6 km/h 👁 Visibility 31.4 km Clouds 45% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Mynyddygarreg

Today
Partly cloudy night · 9:00 PM Partly cloudy night
14° 💧 None 💨 6 km/h H 88%1024 hPa
Tomorrow
Mostly cloudy night · 12:00 AM Mostly cloudy night
14° 💧 None 💨 4 km/h H 85%1024 hPa
Clear night · 3:00 AM Clear night
15° 💧 None 💨 14 km/h H 79%1023 hPa
Overcast night · 6:00 AM Overcast night
17° 💧 0.1 mm 💨 24 km/h H 75%1022 hPa
Partly cloudy · 9:00 AM Partly cloudy
17° 💧 0.0 mm 💨 24 km/h H 86%1022 hPa
Overcast · 12:00 PM Overcast
18° 💧 0.4 mm 💨 29 km/h H 85%1022 hPa
Light rain · 3:00 PM Light rain
18° 💧 0.3 mm 💨 28 km/h H 91%1021 hPa
Light rain · 6:00 PM Light rain
18° 💧 0.9 mm 💨 27 km/h H 94%1021 hPa
Light rain · 9:00 PM Light rain
18° 💧 2.0 mm 💨 25 km/h H 97%1021 hPa
Sunday
Light rain · 12:00 AM Light rain
18° 💧 0.6 mm 💨 26 km/h H 97%1021 hPa
Light rain · 3:00 AM Light rain
18° 💧 4.3 mm 💨 21 km/h H 97%1021 hPa
Light rain · 6:00 AM Light rain
18° 💧 2.8 mm 💨 19 km/h H 98%1020 hPa
Overcast · 9:00 AM Overcast
18° 💧 0.6 mm 💨 18 km/h H 97%1021 hPa
Light rain · 12:00 PM Light rain
18° 💧 0.5 mm 💨 15 km/h H 97%1021 hPa
Overcast · 3:00 PM Overcast
18° 💧 0.0 mm 💨 15 km/h H 95%1022 hPa
Mostly cloudy · 6:00 PM Mostly cloudy
18° 💧 None 💨 14 km/h H 94%1021 hPa

In Mynyddygarreg and, more broadly, across Carmarthenshire: The evening will see a mix of sun and clouds, with temperatures remaining quite cool, between 15 and 15 degrees Celsius. Light westerly winds are expected, generally around 5 mph, with occasional gusts reaching 7 mph. No rain is forecast for the next few hours, so conditions will remain dry and relatively calm. It is a good idea to keep an eye on the sky if planning any outdoor activities, as the cloud cover could increase later in the night. Overall, it should be a fairly quiet and mild evening, with light breezes and no significant weather disturbances.

15-Day Weather Outlook for Mynyddygarreg

TomorrowTomorrow Mostly cloudy Mostly cloudy 18°/13° 💧 None 💨 29 km/h
Sunday, Sep 13Sun Sep 13 Thunderstorms Thunderstorms 19°/17° 💧 None 💨 28 km/h
Monday, Sep 14Mon Sep 14 Light rain Light rain 19°/17° 💧 33 mm 💨 25 km/h
Tuesday, Sep 15Tue Sep 15 Moderate rain Moderate rain 17°/13° 💧 5.8 mm 💨 25 km/h
Wednesday, Sep 16Wed Sep 16 Overcast Overcast 16°/11° 💧 0.4 mm 💨 20 km/h
Thursday, Sep 17Thu Sep 17 Light rain Light rain 16°/15° 💧 1.8 mm 💨 29 km/h
Friday, Sep 18Fri Sep 18 Mostly cloudy Mostly cloudy 15°/12° 💧 0.5 mm 💨 24 km/h
Saturday, Sep 19Sat Sep 19 Moderate rain Moderate rain 16°/13° 💧 7.1 mm 💨 22 km/h
Sunday, Sep 20Sun Sep 20 Mostly sunny Mostly sunny 15°/10° 💧 0.3 mm 💨 19 km/h
Monday, Sep 21Mon Sep 21 Overcast Overcast 17°/ 💧 0.5 mm 💨 22 km/h
Tuesday, Sep 22Tue Sep 22 Light rain Light rain 17°/15° 💧 1.7 mm 💨 29 km/h
Wednesday, Sep 23Wed Sep 23 Mostly sunny Mostly sunny 15°/10° 💧 2.9 mm 💨 27 km/h
Thursday, Sep 24Thu Sep 24 Mostly sunny Mostly sunny 12°/ 💧 0.7 mm 💨 29 km/h
Friday, Sep 25Fri Sep 25 Mostly sunny Mostly sunny 13°/ 💧 None 💨 16 km/h
Saturday, Sep 26Sat Sep 26 Overcast Overcast 11°/11° 💧 0.1 mm 💨 8 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mynyddygarreg

Vertical axis: °C · Color based on temperature
Partly cloudy night at 9:00 PM
14° Today 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 cloudy night at 12:00 AM
14° 12:00 AM
Mostly clear night at 1:00 AM
14° Tomorrow 1:00 AM
Mostly clear night at 2:00 AM
15° 2:00 AM
Clear night at 3:00 AM
15° 3:00 AM
Mostly clear night at 4:00 AM
15° 4:00 AM
Overcast night at 5:00 AM
16° Tomorrow 5:00 AM
Overcast night at 6:00 AM
17° 6:00 AM
Overcast at 7:00 AM
17° 7:00 AM
Overcast at 8:00 AM
17° 8:00 AM
Partly cloudy at 9:00 AM
17° Tomorrow 9:00 AM
Mostly cloudy at 10:00 AM
18° 10:00 AM
Overcast at 11:00 AM
18° 11:00 AM
Overcast at 12:00 PM
18° 12:00 PM
Overcast at 1:00 PM
18° Tomorrow 1:00 PM
Light rain at 2:00 PM
18° 2:00 PM
Light rain at 3:00 PM
18° 3:00 PM
Light rain at 4:00 PM
18° 4:00 PM
Overcast at 5:00 PM
18° Tomorrow 5:00 PM
Light rain at 6:00 PM
18° 6:00 PM
Light rain at 7:00 PM
18° 7:00 PM
Light rain at 8:00 PM
18° 8:00 PM
Light rain at 9:00 PM
18° Tomorrow 9:00 PM
Light rain at 10:00 PM
18° 10:00 PM
Light rain at 11:00 PM
18° 11:00 PM
Light rain at 12:00 AM
18° 12:00 AM
Light rain at 1:00 AM
18° Sunday 1:00 AM
Light rain at 2:00 AM
18° 2:00 AM
Light rain at 3:00 AM
18° 3:00 AM
Light rain at 4:00 AM
18° 4:00 AM
Light rain at 5:00 AM
18° Sunday 5:00 AM
Light rain at 6:00 AM
18° 6:00 AM
Light rain at 7:00 AM
18° 7:00 AM
Light rain at 8:00 AM
18° 8:00 AM
Overcast at 9:00 AM
18° Sunday 9:00 AM
Light rain at 10:00 AM
18° 10:00 AM
Light rain at 11:00 AM
18° 11:00 AM
Light rain at 12:00 PM
18° 12:00 PM
Light rain at 1:00 PM
18° Sunday 1:00 PM
Overcast at 2:00 PM
18° 2:00 PM
Overcast at 3:00 PM
18° 3:00 PM
Mostly cloudy at 4:00 PM
19° 4:00 PM
Mostly cloudy at 5:00 PM
19° Sunday 5:00 PM
Mostly cloudy at 6:00 PM
18° 6:00 PM
Overcast at 7:00 PM
18° 7:00 PM
Overcast night at 8:00 PM
17° 8:00 PM
Overcast night at 9:00 PM
17° Sunday 9:00 PM
Overcast night at 10:00 PM
17° 10:00 PM
Overcast night at 11:00 PM
18° 11:00 PM
Overcast night at 12:00 AM
18° 12:00 AM
Overcast night at 1:00 AM
17° Monday 1:00 AM
Mostly cloudy night at 2:00 AM
18° 2:00 AM
Mostly clear night at 3:00 AM
18° 3:00 AM
Overcast night at 4:00 AM
17° 4:00 AM
Mostly cloudy night at 5:00 AM
17° Monday 5:00 AM
Mostly cloudy night at 6:00 AM
17° 6:00 AM
Mostly cloudy at 7:00 AM
17° 7:00 AM
Overcast at 8:00 AM
18° 8:00 AM
Overcast at 9:00 AM
18° Monday 9:00 AM
Light rain at 10:00 AM
18° 10:00 AM
Light rain at 11:00 AM
18° 11:00 AM
Light rain at 12:00 PM
18° 12:00 PM
Overcast at 1:00 PM
18° Monday 1:00 PM
Overcast at 4:00 PM
19° 4:00 PM
Overcast at 7:00 PM
18° 7:00 PM
Overcast night at 10:00 PM
17° 10:00 PM
Moderate rain at 1:00 AM
17° Tuesday 1:00 AM
Mostly clear night at 4:00 AM
16° 4:00 AM
Mostly sunny at 7:00 AM
13° 7:00 AM
Light rain at 10:00 AM
15° 10:00 AM
Light rain at 1:00 PM
17° Tuesday 1:00 PM
Light rain at 4:00 PM
17° 4:00 PM
Mostly sunny at 7:00 PM
15° 7:00 PM
Clear night at 10:00 PM
14° 10:00 PM
Clear night at 1:00 AM
13° Wednesday 1:00 AM
Partly cloudy night at 4:00 AM
12° 4:00 AM
Partly cloudy at 7:00 AM
11° 7:00 AM
Overcast at 10:00 AM
15° 10:00 AM
Overcast at 1:00 PM
16° Wednesday 1:00 PM
Overcast at 4:00 PM
16° 4:00 PM
Partly cloudy at 7:00 PM
15° 7:00 PM
Mostly clear night at 10:00 PM
14° 10:00 PM
Overcast night at 1:00 AM
15° Thursday 1:00 AM
Light rain at 4:00 AM
15° 4:00 AM
Light rain at 7:00 AM
15° 7:00 AM
Mostly sunny at 1:00 PM
15° 1:00 PM
Light rain at 7:00 PM
16° Thursday 7:00 PM
Mostly clear night at 1:00 AM
14° 1:00 AM
Mostly sunny at 7:00 AM
12° 7:00 AM
Partly cloudy at 1:00 PM
12° 1:00 PM
Mostly cloudy at 7:00 PM
15° Friday 7:00 PM
Mostly cloudy night at 1:00 AM
14° 1:00 AM
Overcast at 7:00 AM
13° 7:00 AM
Moderate rain at 1:00 PM
14° 1:00 PM
Mostly sunny at 7:00 PM
16° Saturday 7:00 PM
Mostly clear night at 1:00 AM
15° 1:00 AM
Mostly sunny at 7:00 AM
12° 7:00 AM
Sunny at 1:00 PM
10° 1:00 PM
Mostly sunny at 7:00 PM
15° Sunday 7:00 PM
Clear night at 1:00 AM
12° 1:00 AM
Sunny at 7:00 AM
7:00 AM
Mostly sunny at 1:00 PM
10° 1:00 PM
Overcast at 7:00 PM
17° Monday 7:00 PM
Partly cloudy night at 1:00 AM
15° 1:00 AM
Overcast night at 7:00 AM
15° 7:00 AM
Mostly cloudy at 1:00 PM
15° 1:00 PM
Light rain at 7:00 PM
17° Tuesday 7:00 PM
Mostly cloudy night at 1:00 AM
15° 1:00 AM
Mostly clear night at 7:00 AM
11° 7:00 AM
Mostly sunny at 1:00 PM
10° 1:00 PM
Mostly sunny at 7:00 PM
13° Wednesday 7:00 PM
Mostly clear night at 1:00 AM
11° 1:00 AM
Mostly clear night at 7:00 AM
10° 7:00 AM
Partly cloudy at 1:00 PM
1:00 PM
Mostly sunny at 7:00 PM
12° Thursday 7:00 PM
Mostly clear night at 1:00 AM
10° 1:00 AM
Mostly cloudy night at 7:00 AM
7:00 AM
Overcast at 1:00 PM
1:00 PM
Overcast at 7:00 PM
13° Friday 7:00 PM
Overcast night at 1:00 AM
11° 1:00 AM
Mostly clear night at 7:00 AM
11° 7:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Mynyddygarreg

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 9:00 PM
PM2.5 Fine particles Good 1,3µg/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 2,8µg/m³

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

O₃ Ozone Fair 70,9µg/m³

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

NO₂ Nitrogen dioxide Good 0,8µg/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 Mynyddygarreg

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 4,0Moderate 🙂Fair
Tomorrow UV 2,2Low 🙂Fair
Sunday UV 2,9Low 🙂Fair
Monday UV 3,2Moderate 🙂Fair
Tuesday UV 5,0Moderate 🙂Fair
Wednesday UV 4,0Moderate Unavailable
Thursday 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.

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 Mynyddygarreg

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 Sunday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Sunday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Sunday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Sunday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Sunday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Sunday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Monday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Monday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Monday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Monday 1:00 PM 4:00 PM 7:00 PM 10:00 PM Tuesday 1:00 AM 4:00 AM 7:00 AM 10:00 AM Tuesday 1:00 PM 4:00 PM 7:00 PM 10:00 PM Wednesday 1:00 AM 4:00 AM 7:00 AM 10:00 AM Wednesday 1:00 PM 4:00 PM 7:00 PM 10:00 PM Thursday 1:00 AM 4:00 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 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
Sustained wind Max gusts
NIGHT SKY · MYNYDDYGARREG, WALES

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

96/100Best-hour score
BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:40 PM–4:48 AM
Cloud cover 5% Real hourly forecast for the best viewing hour.
Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 66° high at the best hour.
Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min77%
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 Mynyddygarreg were last refreshed today at 8:38 PM. The current forecast period extends through 13/09/2026 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.