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Now · 8:24 PM

Blackwater (Hart) Weather & Hourly Forecast

United Kingdom · England · GU17 0AA

Clear night
15°C
Clear night
Feels like: 11°C
💧 Humidity 65% 🌡 Pressure 1010 hPa 💨 Wind 16 km/h 👁 Visibility 38.8 km Clouds 5% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Blackwater (Hart)

Today
Clear night · 9:00 PM Clear night
14° 💧 None 💨 17 km/h H 68%1011 hPa
Tomorrow
Clear night · 12:00 AM Clear night
13° 💧 None 💨 14 km/h H 79%1012 hPa
Clear night · 3:00 AM Clear night
12° 💧 None 💨 14 km/h H 85%1013 hPa
Clear night · 6:00 AM Clear night
11° 💧 None 💨 15 km/h H 89%1015 hPa
Sunny · 9:00 AM Sunny
14° 💧 None 💨 15 km/h H 75%1016 hPa
Overcast · 12:00 PM Overcast
17° 💧 0.0 mm 💨 16 km/h H 61%1017 hPa
Mostly cloudy · 3:00 PM Mostly cloudy
18° 💧 0.0 mm 💨 14 km/h H 54%1018 hPa
Partly cloudy · 6:00 PM Partly cloudy
18° 💧 None 💨 8 km/h H 55%1018 hPa
Overcast night · 9:00 PM Overcast night
14° 💧 None 💨 7 km/h H 75%1019 hPa
Thursday
Overcast night · 12:00 AM Overcast night
13° 💧 None 💨 10 km/h H 79%1019 hPa
Overcast night · 3:00 AM Overcast night
11° 💧 None 💨 9 km/h H 84%1019 hPa
Overcast night · 6:00 AM Overcast night
💧 None 💨 6 km/h H 92%1018 hPa
Overcast · 9:00 AM Overcast
13° 💧 None 💨 6 km/h H 79%1018 hPa
Overcast · 12:00 PM Overcast
17° 💧 None 💨 13 km/h H 55%1018 hPa
Overcast · 3:00 PM Overcast
17° 💧 0.0 mm 💨 18 km/h H 65%1017 hPa
Overcast · 6:00 PM Overcast
16° 💧 0.7 mm 💨 15 km/h H 76%1016 hPa

In Blackwater (Hart) and, more broadly, across South East: This evening, the sky remains mostly sunny with just a few clouds passing through. Temperatures will stay cool, ranging from 14 to 14 degrees Celsius. Winds will be moderate, coming from the west at around 16 mph, with gusts reaching up to 24 mph. No rain is expected during the next few hours, making for a relatively dry evening. The wind may cause a slight chill, so it’s advisable to dress accordingly if heading outdoors. Temperatures are likely to remain steady through the night, providing a calm and clear night ahead.

15-Day Weather Outlook for Blackwater (Hart)

TomorrowTomorrow Partly cloudy Partly cloudy 18°/11° 💧 None 💨 17 km/h
Thursday, Sep 10Thu Sep 10 Partly cloudy Partly cloudy 18°/ 💧 None 💨 18 km/h
Friday, Sep 11Fri Sep 11 Overcast Overcast 20°/15° 💧 0.1 mm 💨 18 km/h
Saturday, Sep 12Sat Sep 12 Mostly cloudy Mostly cloudy 20°/ 💧 None 💨 14 km/h
Sunday, Sep 13Sun Sep 13 Moderate rain Moderate rain 21°/14° 💧 3.4 mm 💨 17 km/h
Monday, Sep 14Mon Sep 14 Mostly sunny Mostly sunny 21°/ 💧 3.0 mm 💨 18 km/h
Tuesday, Sep 15Tue Sep 15 Moderate rain Moderate rain 19°/17° 💧 8.9 mm 💨 24 km/h
Wednesday, Sep 16Wed Sep 16 Mostly sunny Mostly sunny 16°/11° 💧 0.2 mm 💨 21 km/h
Thursday, Sep 17Thu Sep 17 Mostly cloudy Mostly cloudy 17°/ 💧 0.2 mm 💨 14 km/h
Friday, Sep 18Fri Sep 18 Partly cloudy Partly cloudy 19°/12° 💧 0.4 mm 💨 14 km/h
Saturday, Sep 19Sat Sep 19 Partly cloudy Partly cloudy 19°/ 💧 None 💨 7 km/h
Sunday, Sep 20Sun Sep 20 Overcast Overcast 19°/10° 💧 None 💨 16 km/h
Monday, Sep 21Mon Sep 21 Light rain Light rain 22°/15° 💧 0.3 mm 💨 11 km/h
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 20°/13° 💧 0.1 mm 💨 10 km/h
Wednesday, Sep 23Wed Sep 23 Partly cloudy Partly cloudy 19°/14° 💧 0.0 mm 💨 8 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Blackwater (Hart)

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

AIR QUALITY FORECAST

Air Quality Forecast for Blackwater (Hart)

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 9:00 PM
PM2.5 Fine particles Good 0,9µg/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 2,4µg/m³

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

O₃ Ozone Fair 87,9µg/m³

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

NO₂ Nitrogen dioxide Good 1,8µg/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 Blackwater (Hart)

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 1,9Low 🙂Fair
Tomorrow UV 3,7Moderate 🙂Fair
Thursday UV 4,2Moderate 🙂Fair
Friday UV 3,5Moderate 🙂Fair
Saturday UV 6,0High 🙂Fair
Sunday UV 6,0High Unavailable
Monday UV 7,0High Unavailable
Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during 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 Blackwater (Hart)

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 Thursday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Thursday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Thursday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Thursday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Thursday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Thursday 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 4:00 PM 7:00 PM 10:00 PM Saturday 1:00 AM 4:00 AM 7:00 AM 10:00 AM 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 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 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
Sustained wind Max gusts
NIGHT SKY · BLACKWATER (HART), ENGLAND

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

99/100Best-hour score
BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:33 PM–4:30 AM
Cloud cover 1% Real hourly forecast for the best viewing hour.
Moonlight 8% Waning Crescent · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 74° high at the best hour.
Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min80%
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 Blackwater (Hart) were last refreshed today at 7:25 PM. The current forecast period extends through 10/09/2026 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.