Wetterstationen des Deutschen Wetterdienstes (DWD)
| Stationsname (Ort) | Seehöhe | Bundesland |
| Twieflingen | 150 m | NI |
| Twist | 21 m | NI |
| Twist (Ph) | 21 m | NI |
| Twist-Hebelermeer | 19 m | NI |
| Twiste | 250 m | HE |
| Twistetal-Mühlhausen | 295 m | HE |
| Twistetal-Mühlhausen (Ph) | 290 m | HE |
| Übach-Palenberg | 82 m | NW |
| Übach-Palenberg (Ph) | 120 m | NW |
| Überherrn (PH) | 210 m | SL |
| Überlingen | 400 m | BW |
| Überlingen-Hödingen | 530 m | BW |
| Überlingen/Bodensee | 446 m | BW |
| Übernthal | 375 m | HE |
| Übersee-Feldwies | 520 m | BY |
| Übrigshausen | 400 m | BW |
| Uchte | 45 m | NI |
| Uchte (PH) | 40 m | NI |
| Uchte-Woltringhausen | 38 m | NI |
| Uchtelfangen | 260 m | SL |
| Üchtelhausen-Hesselbach (PH) | 380 m | BY |
| Üchtelhausen-Zell | 270 m | BY |
| Uchtspringe | 65 m | ST |
| Ückeritz | 15 m | MV |
| Uckerland-Karlstein | 40 m | BB |
| Udenbreth | 640 m | NW |
| Uder | 232 m | TH |
| Udestedt | 175 m | TH |
| Udler | 472 m | RP |
| Uebigau | 84 m | BB |
| Ueckermünde | 1 m | MV |
| Uedem | 30 m | NW |
| Uellendahl | 255 m | NW |
| Uelsby | 35 m | SH |
| Uelsen | 40 m | NI |
| Uelsen (PH) | 50 m | NI |
| Uelvesbüll | 1 m | SH |
| Uelzen | 50 m | NI |
| Uelzen (Ph) | 40 m | NI |
| Uelzen (Stadt) | 37 m | NI |
| Uetze | 60 m | NI |
| Uetzingen | 45 m | NI |
| Uffenheim | 330 m | BY |
| Uffenheim (Schulstr.) | 330 m | BY |
| Uffing a. Staffelsee | 660 m | BY |
| Uffing am Staffelsee-Schöffau | 730 m | BY |
| Ufhausen | 320 m | HE |
| UFS Deutsche Bucht | 0 m | HH |
| UFS Elbe 1 | 0 m | HH |
| UFS TW Ems | 0 m | HH |