| Station | Time | 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 | 17:20 | 27.4 | 1010 | 0.0 | 0.0 | 319 | 0.4 | 39 | 276 | 1.2 |
| Belmont, S London | 17:20 | 26.1 | 1005 | 0.0 | 0.0 | 216 | 0.0 | 45 | 251 | 1.3 |
| Bow, London | 17:20 | 29.7 | 1010 | 0.0 | 0.0 | 305 | 3.1 | 32 | 253 | 1.4 |
| Brent, London | 16:23 | 27.7 | 1009 | 0.0 | 0.0 | 205 | 0.0 | 33 | 373 | 1.6 |
| Buntingford, Hertfordshire | 17:20 | 28.5 | 1010 | 0.0 | 0.0 | 293 | 2.2 | 36 | 536 | 1.6 |
| Caernarfon, Gwynedd | 17:20 | 14.5 | 1013 | 0.0 | 4.2 | 101 | 0.0 | 94 | 149 | 1.0 |
| Cambridge, Cambridgeshire | 17:20 | 27.3 | 1008 | 0.0 | 0.0 | 267 | 1.3 | 32 | 392 | |
| Chesham, Buckinghamshire | 17:20 | 26.9 | 1010 | 0.0 | 0.0 | 277 | 1.3 | 40 | 670 | 2.5 |
| Christchurch, Dorset | 17:20 | 20.1 | 1013 | 0.0 | 0.0 | 275 | 0.0 | 0 | 406 | 2.1 |
| Greenwich, London | 17:20 | 29.1 | 1009 | 0.0 | 0.0 | 93 | 0.4 | 38 | 229 | 0.0 |
| Hammersmith, W London | 17:19 | 27.9 | 1009 | 0.0 | 0.0 | 246 | 0.9 | 40 | 269 | 1.1 |
| Harringay, N London | 17:20 | 27.3 | 1010 | 0.0 | 0.0 | 265 | 2.2 | 35 | 214 | 6.6 |
| Hayes, SE London | 17:20 | 26.9 | 1009 | 0.0 | 0.0 | 314 | 0.9 | 46 | 323 | 0.7 |
| Hillingdon, W London | 17:20 | 27.7 | 1006 | 0.0 | 0.0 | 254 | 0.0 | 39 | 264 | 0.0 |
| Hornchurch (N), E London | 17:20 | 28.0 | 1006 | 0.0 | 0.0 | 244 | 1.8 | 33 | 193 | 0.7 |
| Hornchurch (W), E London | 17:20 | 28.7 | 1009 | 0.0 | 0.0 | 225 | 0.4 | 34 | 248 | 1.2 |
| Ilford, Essex | 17:20 | 29.0 | 1010 | 0.0 | 0.0 | 224 | 1.8 | 32 | 288 | 0.9 |
| Islington, London | 17:20 | 28.3 | 1009 | 0.0 | 0.0 | 263 | 0.4 | 36 | 229 | 0.9 |
| Merton, London | 17:20 | 27.1 | 1010 | 0.0 | 0.0 | 360 | 1.3 | 41 | 19 | 0.0 |
| Mill Hill, NW London | 17:19 | 28.6 | 1011 | 0.0 | 0.0 | 286 | 0.0 | 38 | 302 | 1.1 |
| Newham, E London [TESTING] | 17:02 | 29.0 | 1010 | 0.0 | 0.0 | 261 | 0.0 | 38 | 257 | 1.3 |
| Orpington, SE London | 17:20 | 26.8 | 1010 | 0.0 | 0.0 | 64 | 0.4 | 35 | 207 | 0.6 |
| Reading, Berkshire | 17:20 | 27.5 | 1011 | 0.0 | 0.0 | 184 | 0.4 | 36 | 37 | 0.0 |
| Richmond (S), Surrey | 17:20 | 27.9 | 1010 | 0.0 | 0.0 | 320 | 0.9 | 42 | 717 | 1.8 |
| Selby, N Yorkshire | 17:20 | 26.9 | 1008 | 0.0 | 0.0 | 252 | 0.0 | 51 | 239 | 1.5 |
| Southwark, SE London | 17:19 | 27.4 | 1009 | 0.0 | 0.0 | 271 | 1.8 | 39 | 237 | 1.2 |
| St Ives, New South Wales, Australia | 17:20 | 9.9 | 1016 | 0.0 | 0.0 | 167 | 0.4 | 46 | 0 | 0.0 |
| Stanmore (SE), Middlesex | 17:20 | 28.2 | 1010 | 0.0 | 0.0 | 256 | 0.9 | 40 | 269 | 1.4 |
| Streatham, London | 17:20 | 27.4 | 1010 | 0.0 | 0.0 | 237 | 0.4 | 40 | 197 | 1.1 |
| Sturminster Newton, Dorset | 17:20 | 22.3 | 1011 | 0.0 | 0.0 | 275 | 3.6 | 65 | 188 | 1.0 |
| Tunbridge Wells, Kent | 17:20 | 24.9 | 1009 | 0.0 | 0.0 | 269 | 4.5 | 44 | | |
| Twickenham, SW London | 17:20 | 28.6 | 1011 | 0.0 | 0.0 | 242 | 1.3 | 39 | 578 | 2.0 |
| Welling, Kent | 17:20 | 28.7 | 1004 | 0.0 | 0.0 | 263 | 2.7 | 36 | 239 | 1.2 |
| Westminster, Central London | 17:20 | 29.1 | 1011 | 0.0 | 0.0 | 213 | 0.0 | 36 | 227 | 0.0 |
| Wolverhampton, West Midlands [TESTING] | 17:20 | 23.8 | 1009 | 0.0 | 0.0 | 65 | 0.0 | 56 | 251 | 1.3 |