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Now · 2:02 PM

St Merryn Weather & Hourly Forecast

United Kingdom · England · PL28 8FG

Overcast
17°C
Overcast
Feels like: 16°C
💧 Humidity 70% 🌡 Pressure 1029 hPa 💨 Wind 6 km/h 👁 Visibility 40.7 km Clouds 100% ☀️ UV index 4.1 · Moderate 🌅 Sunrise 🌇 Sunset

Hourly Forecast for St Merryn

Today
Overcast · 3:00 PM Overcast
17° 💧 None 💨 3 km/h H 70%1029 hPa
Overcast · 6:00 PM Overcast
17° 💧 None 💨 3 km/h H 70%1031 hPa
Mostly cloudy night · 9:00 PM Mostly cloudy night
16° 💧 None 💨 4 km/h H 80%1032 hPa
Tomorrow
Mostly cloudy night · 12:00 AM Mostly cloudy night
15° 💧 None 💨 6 km/h H 85%1032 hPa
Partly cloudy night · 3:00 AM Partly cloudy night
15° 💧 0.1 mm 💨 9 km/h H 82%1032 hPa
Light rain · 6:00 AM Light rain
16° 💧 0.5 mm 💨 8 km/h H 89%1032 hPa
Overcast · 9:00 AM Overcast
17° 💧 0.2 mm 💨 8 km/h H 94%1033 hPa
Mostly cloudy · 12:00 PM Mostly cloudy
18° 💧 0.1 mm 💨 9 km/h H 94%1033 hPa
Mostly cloudy · 3:00 PM Mostly cloudy
18° 💧 0.1 mm 💨 9 km/h H 92%1032 hPa
Overcast · 6:00 PM Overcast
18° 💧 0.1 mm 💨 6 km/h H 91%1031 hPa
Overcast night · 9:00 PM Overcast night
17° 💧 0.1 mm 💨 6 km/h H 92%1031 hPa
Tuesday
Overcast night · 12:00 AM Overcast night
17° 💧 0.0 mm 💨 8 km/h H 91%1031 hPa
Overcast night · 3:00 AM Overcast night
17° 💧 0.0 mm 💨 7 km/h H 93%1031 hPa
Mostly cloudy night · 6:00 AM Mostly cloudy night
17° 💧 None 💨 6 km/h H 88%1030 hPa
Overcast · 9:00 AM Overcast
18° 💧 0.0 mm 💨 7 km/h H 81%1030 hPa
Overcast · 12:00 PM Overcast
18° 💧 0.1 mm 💨 4 km/h H 77%1030 hPa

In St Merryn and, more broadly, across South West: The rest of the day will be mostly sunny with just a few clouds drifting across the sky. Temperatures will remain on the cool side, ranging from 13 to 17 degrees Celsius. Winds are expected to be light, coming from the west, with maximum speeds of around 6 mph and gusts reaching up to 13 mph. Overall, it should be a dry and relatively calm afternoon, with plenty of sunshine and gentle breezes. It’s a good day to enjoy outdoor activities, though it’s advisable to dress appropriately for the mild, cool conditions. No rain is forecast for the rest of the day, so it should remain dry and pleasant.

15-Day Weather Outlook for St Merryn

TomorrowTomorrow Mostly cloudy Mostly cloudy 18°/15° 💧 None 💨 10 km/h
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 18°/16° 💧 None 💨 8 km/h
Wednesday, Sep 23Wed Sep 23 Light rain Light rain 18°/15° 💧 3.8 mm 💨 20 km/h
Thursday, Sep 24Thu Sep 24 Overcast Overcast 18°/12° 💧 0.0 mm 💨 24 km/h
Friday, Sep 25Fri Sep 25 Light rain Light rain 17°/14° 💧 1.8 mm 💨 20 km/h
Saturday, Sep 26Sat Sep 26 Partly cloudy Partly cloudy 17°/14° 💧 1.7 mm 💨 25 km/h
Sunday, Sep 27Sun Sep 27 Mostly sunny Mostly sunny 18°/15° 💧 0.5 mm 💨 25 km/h
Monday, Sep 28Mon Sep 28 Overcast Overcast 18°/15° 💧 0.2 mm 💨 14 km/h
Tuesday, Sep 29Tue Sep 29 Overcast Overcast 19°/16° 💧 None 💨 32 km/h
Wednesday, Sep 30Wed Sep 30 Light rain Light rain 18°/15° 💧 3.6 mm 💨 31 km/h
Thursday, Oct 1Thu Oct 1 Mostly sunny Mostly sunny 16°/13° 💧 0.0 mm 💨 10 km/h
Friday, Oct 2Fri Oct 2 Mostly sunny Mostly sunny 16°/11° 💧 None 💨 15 km/h
Saturday, Oct 3Sat Oct 3 Light rain Light rain 15°/14° 💧 3.1 mm 💨 35 km/h
Sunday, Oct 4Sun Oct 4 Light rain Light rain 17°/14° 💧 6.5 mm 💨 17 km/h
Monday, Oct 5Mon Oct 5 Mostly sunny Mostly sunny 15°/14° 💧 2.1 mm 💨 17 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St Merryn

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

AIR QUALITY FORECAST

Air Quality Forecast for St Merryn

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 3:00 PM
PM2.5 Fine particles Good 5,0µg/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 11,6µg/m³

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

O₃ Ozone Fair 80,3µg/m³

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

NO₂ Nitrogen dioxide Good 3,1µg/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 St Merryn

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 4,1Moderate 🙂Fair
Tomorrow UV 4,2Moderate 🙂Fair
Tuesday UV 4,0Moderate 🙂Fair
Wednesday UV 3,5Moderate 🙂Fair
Thursday UV 5,0Moderate 🙂Fair
Friday UV 5,0Moderate Unavailable
Saturday UV 5,0Moderate Unavailable
Hourly UV index today
3:00 PMUV 3,3 4:00 PMUV 2,2 5:00 PMUV 1,1 6:00 PMUV 0,4 7:00 PMUV 0,0
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 St Merryn

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

Tonight's Stargazing & Shooting Stars

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

57/100Best-hour score
BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:15 PM–5:13 AM
Cloud cover 60% Real hourly forecast for the best viewing hour.
Moonlight 69% First Quarter · Moon below 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 min60%
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
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

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 St Merryn were last refreshed today at 2:02 PM. The current forecast period extends through 22/09/2026 at 12:00 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.