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Now · 5:22 AM

Portishead Weather & Hourly Forecast

United Kingdom · England · BS20 1BE

Light rain
16°C
Light rain
Feels like: 12°C
💧 Humidity 91% 🌡 Pressure 1012 hPa 💨 Wind 23 km/h 👁 Visibility 5.1 km Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Portishead

Today
Light rain · 6:00 AM Light rain
16° 💧 2.0 mm 💨 21 km/h H 92%1011 hPa
Mostly sunny · 9:00 AM Mostly sunny
16° 💧 0.1 mm 💨 21 km/h H 88%1010 hPa
Partly cloudy · 12:00 PM Partly cloudy
17° 💧 None 💨 22 km/h H 70%1012 hPa
Overcast · 3:00 PM Overcast
17° 💧 0.0 mm 💨 24 km/h H 61%1011 hPa
Sunny · 6:00 PM Sunny
17° 💧 None 💨 22 km/h H 69%1011 hPa
Clear night · 9:00 PM Clear night
15° 💧 None 💨 15 km/h H 79%1012 hPa
Tomorrow
Clear night · 12:00 AM Clear night
15° 💧 None 💨 13 km/h H 82%1013 hPa
Clear night · 3:00 AM Clear night
14° 💧 None 💨 15 km/h H 85%1013 hPa
Mostly cloudy night · 6:00 AM Mostly cloudy night
13° 💧 0.0 mm 💨 14 km/h H 85%1014 hPa
Mostly cloudy · 9:00 AM Mostly cloudy
14° 💧 None 💨 15 km/h H 81%1014 hPa
Overcast · 12:00 PM Overcast
17° 💧 0.1 mm 💨 21 km/h H 70%1015 hPa
Light rain · 3:00 PM Light rain
17° 💧 0.3 mm 💨 27 km/h H 79%1014 hPa
Overcast · 6:00 PM Overcast
17° 💧 0.1 mm 💨 27 km/h H 77%1014 hPa
Mostly cloudy night · 9:00 PM Mostly cloudy night
18° 💧 0.1 mm 💨 26 km/h H 83%1013 hPa
Saturday
Mostly cloudy night · 12:00 AM Mostly cloudy night
18° 💧 0.1 mm 💨 26 km/h H 87%1014 hPa
Overcast night · 3:00 AM Overcast night
17° 💧 0.1 mm 💨 25 km/h H 89%1014 hPa

In Portishead and, more broadly, across South West: This morning will start with a mix of sun and clouds, bringing a relatively cool start to the day with temperatures ranging from 14 to 17 degrees Celsius. Conditions may be breezy, with moderate westerly winds reaching up to 14 mph and gusts possibly hitting 27 mph. As the day progresses into the afternoon, there remains a possibility of some light rain, with total accumulation around 4.5 mm. The likelihood of rain is highest at around 75%, so it may be worth carrying an umbrella if you plan to be outdoors. Overall, expect quite changeable weather, with periods of sunshine punctuated by showers and lively winds. Temperatures are expected to stay within the cool range throughout the day.

15-Day Weather Outlook for Portishead

TomorrowTomorrow Mostly sunny Mostly sunny 18°/13° 💧 None 💨 31 km/h
Saturday, Sep 19Sat Sep 19 Moderate rain Moderate rain 19°/17° 💧 9.1 mm 💨 28 km/h
Sunday, Sep 20Sun Sep 20 Light rain Light rain 18°/14° 💧 0.7 mm 💨 20 km/h
Monday, Sep 21Mon Sep 21 Mostly cloudy Mostly cloudy 18°/11° 💧 None 💨 8 km/h
Tuesday, Sep 22Tue Sep 22 Mostly sunny Mostly sunny 19°/14° 💧 None 💨 8 km/h
Wednesday, Sep 23Wed Sep 23 Overcast Overcast 21°/15° 💧 0.0 mm 💨 12 km/h
Thursday, Sep 24Thu Sep 24 Mostly sunny Mostly sunny 21°/14° 💧 None 💨 12 km/h
Friday, Sep 25Fri Sep 25 Mostly cloudy Mostly cloudy 22°/14° 💧 None 💨 13 km/h
Saturday, Sep 26Sat Sep 26 Mostly sunny Mostly sunny 21°/13° 💧 None 💨 13 km/h
Sunday, Sep 27Sun Sep 27 Overcast Overcast 17°/14° 💧 0.2 mm 💨 15 km/h
Monday, Sep 28Mon Sep 28 Mostly sunny Mostly sunny 16°/12° 💧 0.2 mm 💨 17 km/h
Tuesday, Sep 29Tue Sep 29 Mostly sunny Mostly sunny 16°/10° 💧 0.0 mm 💨 16 km/h
Wednesday, Sep 30Wed Sep 30 Mostly cloudy Mostly cloudy 16°/11° 💧 None 💨 12 km/h
Thursday, Oct 1Thu Oct 1 Mostly sunny Mostly sunny 18°/14° 💧 None 💨 9 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Portishead

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

AIR QUALITY FORECAST

Air Quality Forecast for Portishead

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 6:00 AM
PM2.5 Fine particles Good 2,1µg/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 3,5µg/m³

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

O₃ Ozone Fair 79,9µg/m³

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

NO₂ Nitrogen dioxide Good 1,4µg/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 Portishead

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 3,5Moderate 🙂Fair
Tomorrow UV 2,4Low 🙂Fair
Saturday UV 1,0Low 🙂Fair
Sunday UV 3,9Moderate 🙂Fair
Monday UV 6,0High 😊Good
Tuesday UV 6,0High Unavailable
Wednesday UV 5,0Moderate Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,1 9:00 AMUV 0,7 10:00 AMUV 1,4 11:00 AMUV 2,2 12:00 PMUV 3,1 1:00 PMUV 3,5 2:00 PMUV 3,2 3:00 PMUV 2,4 4:00 PMUV 1,2 5:00 PMUV 0,7 6:00 PMUV 0,3
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 Portishead

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

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

100/100Best-hour score
BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:17 PM–4:55 AM
Cloud cover 0% Real hourly forecast for the best viewing hour.
Moonlight 37% First Quarter · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 61° 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 Portishead were last refreshed today at 5:22 AM. The current forecast period extends through 19/09/2026 at 3:00 AM. 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.