| 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
() |
| Atomwide, Orpington, SE London | 13:36 | 16.1 | 1017 | 0.0 | 0.0 | 30 | 0.0 | 77 | 98 | 0.7 |
| Bedfont, W London | 13:36 | 17.5 | 1018 | 0.0 | 0.0 | 182 | 0.0 | 76 | 253 | 0.0 |
| Bellingham, SE London | 13:37 | 17.1 | 1017 | 0.0 | 0.0 | 259 | 0.0 | 76 | 202 | 10.4 |
| Belmont, S London | 13:36 | 16.4 | 1012 | 0.0 | 0.0 | 136 | 0.0 | 80 | 223 | 1.7 |
| Bow, London | 13:36 | 18.8 | 1017 | 0.0 | 0.0 | 308 | 1.8 | 65 | 185 | 1.5 |
| Brent, London | 13:36 | 16.8 | 1017 | 0.0 | 0.0 | 202 | 0.0 | 74 | 160 | 0.7 |
| Buntingford, Hertfordshire | 13:37 | 17.7 | 1017 | 0.0 | 0.0 | 242 | 2.2 | 72 | 758 | 3.7 |
| Caernarfon, Gwynedd | 13:36 | 15.9 | 1012 | 0.0 | 0.6 | 170 | 0.0 | 88 | 156 | 1.1 |
| Cambridge, Cambridgeshire | 13:36 | 17.5 | 1015 | 0.0 | 0.0 | 181 | 1.8 | 65 | 318 | |
| Catford, SE London | 13:36 | 17.4 | 1013 | 0.0 | 1.0 | 326 | 0.4 | 74 | 186 | 1.4 |
| Chesham, Buckinghamshire | 13:36 | 16.7 | 1016 | 0.0 | 0.0 | 201 | 1.3 | 76 | 666 | 2.7 |
| Hammersmith, W London | 13:36 | 17.6 | 1016 | 0.0 | 0.0 | 236 | 0.0 | 73 | 141 | 0.9 |
| Harringay, N London | 13:36 | 17.3 | 1017 | 0.0 | 0.0 | 175 | 1.8 | 71 | 315 | 0.0 |
| Hayes, SE London | 13:36 | 16.3 | 1016 | 0.0 | 0.0 | 323 | 0.0 | 47 | 149 | 0.5 |
| High Wycombe, Buckinghamshire | 13:36 | 16.7 | 1019 | 0.0 | 0.0 | 238 | 0.0 | 52 | 91 | 0.0 |
| Hillingdon, W London | 13:36 | 17.7 | 1013 | 0.0 | 0.0 | 178 | 0.0 | 77 | 288 | 0.9 |
| Hornchurch (N), E London | 13:36 | 16.8 | 1013 | 0.0 | 0.2 | 225 | 1.3 | 77 | 334 | 1.8 |
| Hornchurch (W), E London | 13:36 | 17.4 | 1016 | 0.0 | 0.0 | 169 | 1.3 | 74 | 288 | 2.0 |
| Ilford, Essex | 13:37 | 17.7 | 1018 | 0.0 | 0.0 | 229 | 2.2 | 71 | 294 | 1.5 |
| Islington, London | 13:36 | 18.3 | 1016 | 0.0 | 0.0 | 171 | 0.0 | 70 | 200 | 1.4 |
| Mill Hill, NW London | 13:36 | 17.6 | 1018 | 0.0 | 0.0 | 212 | 1.3 | 60 | 237 | 1.2 |
| Newham, E London [TESTING] | 13:36 | 17.9 | 1018 | 0.0 | 0.0 | 184 | 0.0 | 44 | 269 | 1.9 |
| Reading, Berkshire | 13:36 | 16.9 | 1018 | 0.0 | 0.2 | 196 | 0.0 | 71 | 18 | 0.0 |
| Richmond (S), Surrey | 13:36 | 17.5 | 1017 | 0.0 | 0.0 | 193 | 1.3 | 76 | 278 | 1.2 |
| Selby, N Yorkshire | 13:36 | 18.4 | 1011 | 0.0 | 0.0 | 176 | 0.0 | 73 | 120 | 1.0 |
| Southall, W London | 13:36 | 17.3 | 1017 | 0.0 | 0.0 | 360 | 0.0 | 76 | 265 | 1.9 |
| Southwark, SE London | 13:36 | 17.1 | 1017 | 0.0 | 0.0 | 185 | 1.8 | 74 | 167 | 1.4 |
| St Ives, New South Wales, Australia | 13:36 | 11.2 | 1020 | 0.0 | 0.0 | 182 | 0.0 | 89 | 0 | 0.0 |
| Stanmore (SE), Middlesex | 13:36 | 17.7 | 1017 | 0.0 | 0.0 | 253 | 1.3 | 70 | 253 | 1.7 |
| Streatham, London | 13:36 | 16.9 | 1018 | 0.0 | 0.0 | 165 | 0.4 | 78 | 160 | 1.2 |
| Sturminster Newton, Dorset | 13:36 | 17.3 | 1016 | 0.0 | 0.0 | 229 | 0.0 | 68 | 255 | 2.0 |
| Tunbridge Wells, Kent | 13:36 | 13.9 | 1016 | 0.0 | 0.0 | 80 | 5.4 | 89 | 81 | 10.1 |
| Twickenham, SW London | 13:36 | 17.8 | 1018 | 0.0 | 0.0 | 146 | 0.4 | 76 | 250 | 2.1 |
| Westminster, Central London | 13:37 | 18.1 | 1018 | 0.0 | 0.0 | 238 | 0.0 | 72 | 172 | 0.0 |
| Wokingham, Berkshire | 13:36 | 17.4 | 1015 | 0.0 | 0.0 | 238 | 0.0 | 60 | 139 | 1.5 |
| Wolverhampton, West Midlands [TESTING] | 13:36 | 17.5 | 1013 | 0.0 | 0.0 | 217 | 0.0 | 60 | 257 | 2.0 |