| Local Time 20:20 BST = 20:20 |
SL pressure (hPa) | Trend |
| 2013-05-21 20:20 | 1022 | steady |
| 2013-05-21 19:50 | 1022 | increasing |
| 2013-05-21 19:20 | 1021 | steady |
| 2013-05-21 18:50 | 1021 | steady |
| Nearby Weather Stations - Derry | Distance |
| Magilligan | 17.7 km |
| Malin Head | 37.1 km |
| Lough Fea | 42.8 km |
| Castlederg | 47.8 km |
| Portglenone | 49.2 km |
| Ballypatrick Fst | 64.3 km |
| Belfast/Aldergrove AP | 74.6 km |
| St Angelo | 79.2 km |
| Thomastown | 86.3 km |
| Glenanne | 100.1 km |
| Ballyhaise | 111.7 km |