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Now · 4:25 PM

Porthtowan Weather & Hourly Forecast

United Kingdom · England · TR4 8AA

Mostly cloudy
19°C
Mostly cloudy
Feels like: 18°C
💧 Humidity 60% 🌡 Pressure 1025 hPa 💨 Wind 7 km/h 👁 Visibility 44.2 km Clouds 82% ☀️ UV index 3.0 · Moderate 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Porthtowan

Today
Mostly cloudy · 5:00 PM Mostly cloudy
19° 💧 None 💨 6 km/h H 61%1025 hPa
Overcast night · 8:00 PM Overcast night
16° 💧 0.3 mm 💨 3 km/h H 81%1025 hPa
Light rain · 11:00 PM Light rain
15° 💧 1.1 mm 💨 9 km/h H 90%1025 hPa
Tomorrow
Mostly clear night · 2:00 AM Mostly clear night
14° 💧 0.0 mm 💨 15 km/h H 91%1024 hPa
Partly cloudy night · 5:00 AM Partly cloudy night
15° 💧 None 💨 22 km/h H 90%1021 hPa
Mostly cloudy · 8:00 AM Mostly cloudy
16° 💧 None 💨 23 km/h H 87%1020 hPa
Sunny · 11:00 AM Sunny
20° 💧 None 💨 20 km/h H 78%1019 hPa
Mostly sunny · 2:00 PM Mostly sunny
22° 💧 None 💨 18 km/h H 69%1018 hPa
Mostly cloudy · 5:00 PM Mostly cloudy
22° 💧 None 💨 15 km/h H 79%1016 hPa
Overcast night · 8:00 PM Overcast night
18° 💧 None 💨 8 km/h H 93%1016 hPa
Overcast night · 11:00 PM Overcast night
18° 💧 0.1 mm 💨 11 km/h H 97%1017 hPa
Monday
Mostly cloudy night · 2:00 AM Mostly cloudy night
18° 💧 0.8 mm 💨 18 km/h H 95%1017 hPa
Light rain · 5:00 AM Light rain
17° 💧 0.2 mm 💨 19 km/h H 92%1018 hPa
Mostly cloudy · 8:00 AM Mostly cloudy
17° 💧 0.0 mm 💨 20 km/h H 87%1019 hPa
Overcast · 11:00 AM Overcast
18° 💧 0.1 mm 💨 20 km/h H 70%1020 hPa
Overcast · 2:00 PM Overcast
19° 💧 0.3 mm 💨 25 km/h H 60%1019 hPa

In Porthtowan and, more broadly, across South West: The afternoon will see a mix of sun and clouds, with temperatures remaining mild between 16 and 20 degrees Celsius. Winds are expected to be light, coming from the west at a maximum of 7 mph, with gusts reaching around 12 mph. As evening approaches, the sky will continue to see a blend of sunshine and clouds, creating a generally pleasant atmosphere. No rainfall is forecast for the evening hours, so it should remain dry. The gentle breeze will persist, providing a calm and comfortable end to the day. Overall, it looks set to be a mild and rather tranquil evening with no significant weather disturbances.

15-Day Weather Outlook for Porthtowan

TomorrowTomorrow Partly cloudy Partly cloudy 22°/14° 💧 None 💨 23 km/h
Monday, Sep 7Mon Sep 7 Overcast Overcast 19°/15° 💧 None 💨 29 km/h
Tuesday, Sep 8Tue Sep 8 Light rain Light rain 17°/15° 💧 7.5 mm 💨 23 km/h
Wednesday, Sep 9Wed Sep 9 Light rain Light rain 16°/13° 💧 2.1 mm 💨 20 km/h
Thursday, Sep 10Thu Sep 10 Light rain Light rain 18°/14° 💧 2.2 mm 💨 25 km/h
Friday, Sep 11Fri Sep 11 Light rain Light rain 17°/15° 💧 5.8 mm 💨 25 km/h
Saturday, Sep 12Sat Sep 12 Partly cloudy Partly cloudy 16°/14° 💧 0.5 mm 💨 17 km/h
Sunday, Sep 13Sun Sep 13 Light rain Light rain 18°/16° 💧 15 mm 💨 25 km/h
Monday, Sep 14Mon Sep 14 Light rain Light rain 18°/16° 💧 4.2 mm 💨 21 km/h
Tuesday, Sep 15Tue Sep 15 Light rain Light rain 18°/14° 💧 1.1 mm 💨 24 km/h
Wednesday, Sep 16Wed Sep 16 Light rain Light rain 17°/13° 💧 3.5 mm 💨 22 km/h
Thursday, Sep 17Thu Sep 17 Light rain Light rain 16°/14° 💧 3.7 mm 💨 25 km/h
Friday, Sep 18Fri Sep 18 Light rain Light rain 16°/13° 💧 3.4 mm 💨 18 km/h
Saturday, Sep 19Sat Sep 19 Light rain Light rain 19°/12° 💧 0.6 mm 💨 15 km/h
Sunday, Sep 20Sun Sep 20 Overcast Overcast 17°/15° 💧 0.5 mm 💨 7 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Porthtowan

Vertical axis: °C · Color based on temperature
Mostly cloudy at 5:00 PM
19° Today 5:00 PM
Mostly cloudy at 6:00 PM
18° 6:00 PM
Partly cloudy at 7:00 PM
18° 7:00 PM
Overcast night at 8:00 PM
16° 8:00 PM
Mostly cloudy night at 9:00 PM
16° Today 9:00 PM
Light rain at 10:00 PM
16° 10:00 PM
Light rain at 11:00 PM
15° 11:00 PM
Light rain at 12:00 AM
15° 12:00 AM
Partly cloudy night at 1:00 AM
15° Tomorrow 1:00 AM
Mostly clear night at 2:00 AM
14° 2:00 AM
Clear night at 3:00 AM
14° 3:00 AM
Mostly clear night at 4:00 AM
14° 4:00 AM
Partly cloudy night at 5:00 AM
15° Tomorrow 5:00 AM
Mostly clear night at 6:00 AM
15° 6:00 AM
Overcast at 7:00 AM
15° 7:00 AM
Mostly cloudy at 8:00 AM
16° 8:00 AM
Partly cloudy at 9:00 AM
18° Tomorrow 9:00 AM
Sunny at 10:00 AM
19° 10:00 AM
Sunny at 11:00 AM
20° 11:00 AM
Sunny at 12:00 PM
21° 12:00 PM
Sunny at 1:00 PM
22° Tomorrow 1:00 PM
Mostly sunny at 2:00 PM
22° 2:00 PM
Sunny at 3:00 PM
22° 3:00 PM
Mostly cloudy at 4:00 PM
22° 4:00 PM
Mostly cloudy at 5:00 PM
22° Tomorrow 5:00 PM
Overcast at 6:00 PM
21° 6:00 PM
Overcast at 7:00 PM
20° 7:00 PM
Overcast night at 8:00 PM
18° 8:00 PM
Mostly cloudy night at 9:00 PM
18° Tomorrow 9:00 PM
Mostly cloudy night at 10:00 PM
18° 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
18° Monday 1:00 AM
Mostly cloudy night at 2:00 AM
18° 2:00 AM
Light rain at 3:00 AM
17° 3:00 AM
Light rain at 4:00 AM
17° 4:00 AM
Light rain 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
16° 7:00 AM
Mostly cloudy at 8:00 AM
17° 8:00 AM
Overcast at 9:00 AM
17° Monday 9:00 AM
Overcast at 10:00 AM
17° 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
19° Monday 1:00 PM
Overcast at 2:00 PM
19° 2:00 PM
Overcast at 3:00 PM
18° 3:00 PM
Light rain at 4:00 PM
18° 4:00 PM
Partly cloudy at 5:00 PM
18° Monday 5:00 PM
Partly cloudy at 6:00 PM
17° 6:00 PM
Overcast at 7:00 PM
17° 7:00 PM
Overcast night at 8:00 PM
17° 8:00 PM
Overcast night at 9:00 PM
17° Monday 9:00 PM
Overcast night at 10:00 PM
17° 10:00 PM
Overcast night at 11:00 PM
17° 11:00 PM
Light rain at 12:00 AM
15° 12:00 AM
Light rain at 1:00 AM
16° Tuesday 1:00 AM
Mostly sunny at 10:00 AM
16° 10:00 AM
Sunny at 1:00 PM
17° 1:00 PM
Light rain at 4:00 PM
16° 4:00 PM
Mostly sunny at 7:00 PM
15° Tuesday 7:00 PM
Mostly clear night at 10:00 PM
15° 10:00 PM
Light rain at 1:00 AM
14° 1:00 AM
Light rain at 4:00 AM
13° 4:00 AM
Partly cloudy at 7:00 AM
13° Wednesday 7:00 AM
Partly cloudy at 10:00 AM
15° 10:00 AM
Mostly cloudy at 1:00 PM
16° 1:00 PM
Partly cloudy at 4:00 PM
16° 4:00 PM
Mostly cloudy at 7:00 PM
15° Wednesday 7:00 PM
Overcast night at 10:00 PM
14° 10:00 PM
Overcast night at 1:00 AM
14° 1:00 AM
Overcast night at 4:00 AM
14° 4:00 AM
Partly cloudy at 7:00 AM
15° Thursday 7:00 AM
Mostly cloudy at 10:00 AM
17° 10:00 AM
Light rain at 1:00 PM
18° 1:00 PM
Light rain at 4:00 PM
17° 4:00 PM
Overcast at 7:00 PM
17° Thursday 7:00 PM
Overcast night at 10:00 PM
17° 10:00 PM
Overcast night at 1:00 AM
17° 1:00 AM
Light rain at 4:00 AM
16° 4:00 AM
Mostly cloudy at 7:00 AM
15° Friday 7:00 AM
Partly cloudy at 1:00 PM
15° 1:00 PM
Partly cloudy at 7:00 PM
16° 7:00 PM
Partly cloudy night at 1:00 AM
15° 1:00 AM
Mostly cloudy at 7:00 AM
14° Saturday 7:00 AM
Mostly cloudy at 1:00 PM
14° 1:00 PM
Overcast at 7:00 PM
16° 7:00 PM
Overcast night at 1:00 AM
16° 1:00 AM
Light rain at 7:00 AM
16° Sunday 7:00 AM
Mostly sunny at 1:00 PM
17° 1:00 PM
Overcast at 7:00 PM
18° 7:00 PM
Light rain at 1:00 AM
17° 1:00 AM
Mostly sunny at 7:00 AM
16° Monday 7:00 AM
Light rain at 1:00 PM
16° 1:00 PM
Light rain at 7:00 PM
18° 7:00 PM
Overcast night at 1:00 AM
16° 1:00 AM
Overcast at 7:00 AM
15° Tuesday 7:00 AM
Partly cloudy at 1:00 PM
14° 1:00 PM
Light rain at 7:00 PM
18° 7:00 PM
Mostly clear night at 1:00 AM
16° 1:00 AM
Sunny at 7:00 AM
14° Wednesday 7:00 AM
Partly cloudy at 1:00 PM
13° 1:00 PM
Light rain at 7:00 PM
17° 7:00 PM
Mostly clear night at 1:00 AM
16° 1:00 AM
Light rain at 7:00 AM
14° Thursday 7:00 AM
Mostly sunny at 1:00 PM
14° 1:00 PM
Light rain at 7:00 PM
16° 7:00 PM
Mostly clear night at 1:00 AM
15° 1:00 AM
Mostly sunny at 7:00 AM
14° Friday 7:00 AM
Light rain at 1:00 PM
13° 1:00 PM
Light rain at 7:00 PM
16° 7:00 PM
Overcast night at 1:00 AM
15° 1:00 AM
Overcast night at 7:00 AM
12° Saturday 7:00 AM
Partly cloudy at 1:00 PM
12° 1:00 PM
Light rain at 7:00 PM
19° 7:00 PM
Overcast night at 1:00 AM
17° 1:00 AM
Partly cloudy night at 7:00 AM
15° Sunday 7:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Porthtowan

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 5:00 PM
PM2.5 Fine particles Good 3,1µg/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 11,0µg/m³

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

O₃ Ozone Fair 99,2µg/m³

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

NO₂ Nitrogen dioxide Good 1,0µg/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 Porthtowan

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 5,3Moderate 🙂Fair
Tomorrow UV 4,9Moderate 🙂Fair
Monday UV 3,8Moderate 😐Moderate
Tuesday UV 4,1Moderate 🙂Fair
Wednesday UV 4,0Moderate 🙂Fair
Thursday UV 5,0Moderate Unavailable
Friday UV 4,0Moderate Unavailable
Hourly UV index today
5:00 PMUV 1,7 6:00 PMUV 0,7 7:00 PMUV 0,2
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 Porthtowan

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

Tonight's Stargazing & Shooting Stars

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

92/100Best-hour score
BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:55 PM–4:46 AM
Cloud cover 5% Real hourly forecast for the best viewing hour.
Moonlight 33% Last Quarter · Moon about 21° above the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 62° 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 min67%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
AUG 28–SEP 5
AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak
ACTIVE NOW
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

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 Porthtowan were last refreshed today at 4:25 PM. The current forecast period extends through 07/09/2026 at 2:00 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.