| Station | Time (BST) | Temp Out
(°C) | Bar
(hPa) | Rain Rate
(mm/hr) | Day Rain
(mm) | Wind Dir
(°) | Avg Wind
(m/s) | Out Hum
(%) | Solar Rad.
(W/m²) | UV Index
() |
| Bellingham, SE London | 03:59 | 17.6 | 1012 | 0.0 | 0.0 | 313 | 0.0 | 68 | 0 | 0.0 |
| Belmont, S London | 03:59 | 17.3 | 1007 | 0.0 | 0.0 | 194 | 0.0 | 69 | 0 | 0.0 |
| Bow, London | 03:59 | 21.4 | 1012 | 0.0 | 0.0 | 25 | 0.0 | 53 | 0 | 0.0 |
| Brent, London | 03:59 | 18.8 | 1012 | 0.0 | 0.0 | 315 | 0.0 | 60 | 0 | 0.0 |
| Buntingford, Hertfordshire | 03:59 | 17.6 | 1012 | 0.0 | 0.0 | 318 | 0.0 | 66 | 0 | 0.0 |
| Caernarfon, Gwynedd | 03:59 | 16.8 | 1013 | 0.0 | 0.2 | 220 | 0.0 | 93 | 0 | 0.0 |
| Cambridge, Cambridgeshire | 03:59 | 15.3 | 1011 | 0.0 | 0.0 | 236 | 0.0 | 75 | 0 | |
| Chesham, Buckinghamshire | 03:59 | 15.6 | 1012 | 0.0 | 0.0 | 270 | 0.0 | 71 | 0 | 0.0 |
| Christchurch, Dorset | 03:59 | 14.1 | 1014 | 0.0 | 0.0 | 350 | 0.0 | 0 | 0 | 0.0 |
| Hammersmith, W London | 03:58 | 19.1 | 1011 | 0.0 | 0.0 | 230 | 0.0 | 65 | 0 | 0.0 |
| Harringay, N London | 03:59 | 19.8 | 1012 | 0.0 | 0.0 | 305 | 0.0 | 57 | 0 | 0.0 |
| Hayes, SE London | 03:59 | 15.4 | 1011 | 0.0 | 0.0 | 281 | 0.0 | 79 | 0 | 0.0 |
| Hillingdon, W London | 03:59 | 18.8 | 1009 | 0.0 | 0.0 | 309 | 0.0 | 63 | 0 | 0.0 |
| Hornchurch (N), E London | 03:59 | 17.6 | 1009 | 0.0 | 0.0 | 121 | 0.0 | 71 | 0 | 0.0 |
| Ilford, Essex | 03:59 | 18.0 | 1013 | 0.0 | 0.0 | 290 | 0.0 | 66 | 0 | 0.0 |
| Islington, London | 03:59 | 20.2 | 1012 | 0.0 | 0.0 | 296 | 0.0 | 56 | 19 | 0.0 |
| Merton, London | 03:59 | 18.2 | 1013 | 0.0 | 0.0 | 360 | 0.0 | 65 | 0 | 0.0 |
| Newham, E London [TESTING] | 03:59 | 21.4 | 1013 | 0.0 | 0.0 | 296 | 0.0 | 59 | 0 | 0.0 |
| Reading, Berkshire | 03:59 | 16.3 | 1013 | 0.0 | 0.0 | 234 | 0.0 | 73 | 0 | 0.0 |
| Richmond (S), Surrey | 03:59 | 17.4 | 1013 | 0.0 | 0.0 | 305 | 0.0 | 74 | 0 | 0.0 |
| Selby, N Yorkshire | 03:59 | 16.5 | 1010 | 0.0 | 0.0 | 310 | 0.0 | 82 | 0 | 0.0 |
| Southwark, SE London | 03:58 | 20.7 | 1012 | 0.0 | 0.0 | 275 | 0.0 | 56 | 0 | 0.0 |
| St Ives, New South Wales, Australia | 03:59 | 15.6 | 1013 | 0.0 | 0.0 | 57 | 0.4 | 35 | 200 | 1.2 |
| Stanmore (SE), Middlesex | 03:59 | 18.4 | 1012 | 0.0 | 0.0 | 240 | 0.0 | 63 | 0 | 0.0 |
| Streatham, London | 03:59 | 19.0 | 1013 | 0.0 | 0.0 | 278 | 0.0 | 65 | 0 | 0.0 |
| Sturminster Newton, Dorset | 03:59 | 13.1 | 1013 | 0.0 | 0.0 | 320 | 0.4 | 82 | 0 | 0.0 |
| Tunbridge Wells, Kent | 03:59 | 16.1 | 1010 | 0.0 | 0.0 | 349 | 0.0 | 83 | | |
| Twickenham, SW London | 03:59 | 17.2 | 1013 | 0.0 | 0.0 | 321 | 0.0 | 70 | 0 | 0.0 |
| Welling, Kent | 03:59 | 18.6 | 1007 | 0.0 | 0.0 | 228 | 0.0 | 62 | 0 | 0.0 |
| Westminster, Central London | 03:59 | 21.1 | 1013 | 0.0 | 0.0 | 260 | 0.0 | 55 | 0 | 0.0 |