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Length of Day

11 hrs 25 min 53 sec
of Daylight Yesterday
11 hrs 21 min 59 sec
of Daylight Today
Which is
3 min 54 sec Shorter
Than Yesterday
11 hrs 18 min 5 sec
of Daylight Tomorrow
(Noon)
(Midnight)
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Checking Greater London weather warnings…
Updated: @ 05/10/2026 02:01 - next update at 00:00 UTC/GMT +1 hour 
Summary / Temperature Wind Rain/Melted Snow Outlook
Nighttime, Dry Dry
Clear
12° -5° 0° 10° 20° 30° 40° 45° 12.1°C
Colder 0.3°C than last hour.-0.3°C/h

---

Apparent: 11.9°C
Feels Like: 12.1°C
Wind Chill: N/A
24-hr difference
-1.0°Cfalling
  Today Yesterday
High: 12.8°C
00:01 		21.6°C
16:04
Low: 12.1°C
01:50 		10.4°C
07:44
Station Records
HIGHS: LOWS:
35.5°C
26/6/2026 		-4.6°C
18/1/2024
Daily Records
WARMEST: 34.3°C  26/6/2026
COLDEST: -0.8°C  10/1/2025
Night Records
WARMEST: 26.7°C  27/6/2026
COLDEST: -2.3°C  11/1/2025
Calm NNW
0 km/h
Gust:
0 km/h
Calm
10-Min Avg:
0 km/h
60-Min Avg:
0 km/h
Max Avg:
0.9 km/h NNW 00:34
Max Gust:
1.9 km/h 00:33
Month:
27 km/h October 2
Windrun:
0 km
Today: 0 mm
Rain Rate: 0 mm/hr
Max Rate Today: 0 mm/hr
Yesterday: 0 mm
Last
Rain:		 1/10/2026
08:49
October: 1 mm
Last 7 Days: 1.2 mm
Year Total: 284.4 mm
Rain Days: 81 in 2026
3 days since last rain
Tomorrow
AM Clouds, PM Sun
AM Clouds, PM Sun
Tomorrow night
Partly Cloudy
Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 81 % Increased 3.0% since last hour.
Humidex: 12.9°C
Dew Point: 8.9°C Increased 0.3°C since last hour.
Wetbulb: 10.5°C
Barometer: 1026.1 hPa Falling 0.1 hPa/hr
1-Hr Trend: -0.1 hPa
High: 1026.5 hPa 00:00
Low: 1026 hPa 01:28
Sunrise: 07:06
Sunset: 18:28
Moonrise: 00:28
Moonset: 16:34
Full
Moon:		 26 October 2026
04:12 GMT
New
Moon:		 10 October 2026
16:51 BST
Waning Crescent
34%
Illuminated
Age: 23 days, 17 hours, 45 minutes
Sun
Daylight:
11 hr 21 min 59 sec
3 min 54 sec Shorter
Than Yesterday
Radiation4
0.135 µSv/h
▲
+4%
10 minutes trend
27 CPM
Avg: 26.9 CPM
Updated at: 00:51
Last cached reading
50 0
Last 1 hour (CPM)
●0–50 Normal
 50–100 Raised
 100–200 High
 >200 Very high
3-Day UV Forecast Solar Radiation
Tue
UV 2.4
2.4
 Low 
Wed
UV 2.2
2.2
 Low 
Thu
UV 2.0
2.0
 Low 
Solar Index 0 0 W/m2
0%
W/m2 ⇒ SI   Solar % ⇒ SI
High: 0 @  00:00
Cooling Degree Days
Today: 0.0
Oct: 0.0
2026 to Date: 292.1
Heating Degree Days
Today: 5.9
Oct: 9.3
2026 to Date: 937.7
Heat Index
Heat Index: N/A
Today's High: N/A
Yesterday's High: N/A
7-Day High: N/A
Irrigation Index1
Updated at Midnight
Current ET: 0.0 mm
7-Days Rain: 1.2 mm
7-Days ET: 7.8 mm
7-Day: ↓ 6.6 mm
October: ↓ 3.9 mm
Outside Now
Air Density:1.25 kg/m3
Sunshine Hours2
TODAY:
0 hrs 0 min
Sun Yesterday:
1 hrs 38 min
Updated: 02:01
ISS: OK  |  Console: 4.6 V  |  Reception: 98%
Soil Conditions3
Depth Soil Moisture Growing
conditions at
the depth of:
15 cm
15 cm 63 kp
15 cm 15°C Soil moisture condition Soil growth condition
♧ Soil moisture range:
0 = Wet to 200 = Dry/Frozen
Fire Danger
LOW Fire Danger
Current FWI: 9.0
Fire Danger:
LOW
Air Quality
AQI 36
▼
-2%
10 minutes trend
PM2.5: 8.6 µg/m3
Avg AQI: 39.7
Updated at: 02:01
GOOD
Last 1 hour (AQI)
50
0
0-50
Good51-100
Moderate101-150
USG151-200
Unhealthy201-300
Very High301+
Hazardous
PurpleAir #319362
Cloud Level
Current Cloud Level
1 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. Negative numbers mean water is needed; positive numbers mean excess water is present.    2 Sunshine hours are measured using the station solar data.   3 Soil moisture uses the station soil sensor scale; higher values indicate drier soil.    4 Radiation is measured by the station’s personal dosimeter. CPM = counts per minute; µSv/h = estimated dose rate. Colours indicate approximate radiation levels and are for guidance only.
Calculating next astronomical events...
UK Rain/Snow Radar Visible Satellite Infrared Satellite
UK Rain and Snow Radar UK Visible Satellite UK Infrared Satellite
 WU/TWC Weather Forecast  - Outlook: Tonight & Tomorrow
Tonight
Partly Cloudy
Partly Cloudy
12°C		 WU/TWC forecast: Areas of dense morning fog. Partly cloudy. Low 12C. Winds light and variable.
WXSIM forecast: Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°C. Wind west-southwest around 4 kph.
 
Tomorrow
AM Clouds, PM Sun
AM Clouds, PM Sun
22°C		 WU/TWC forecast: Areas of dense morning fog. Cloudy skies early, followed by partial clearing. High 22C. Winds WSW at 10 to 15 km/h.
WXSIM forecast: Partly cloudy. Mild. High 21°C. UV index up to 3. Wind west-southwest around 8 kph.
Animated icons courtesy of www.meteotreviglio.com.