Wetterstationen des Deutschen Wetterdienstes (DWD)
| Stationsname (Ort) | Seehöhe | Bundesland |
| Kleinweiler-Hofen | 700 m | BY |
| Kleinwolstrup | 50 m | SH |
| Klepzig | 146 m | BB |
| Kleßen | 38 m | BB |
| Klettenberg | 241 m | TH |
| Klettgau-Grießen | 390 m | BW |
| Klettstedt | 225 m | TH |
| Klettwitz | 128 m | BB |
| Kletzen | 120 m | SN |
| Kletzke | 40 m | BB |
| Kleukheim | 320 m | BY |
| Kleve | 46 m | NW |
| Kleve-Schenkenschanz | 16 m | NW |
| Kleve/Niederrhein | 20 m | NW |
| Kliding | 413 m | RP |
| Kliding (PH) | 410 m | RP |
| Kliestow | 40 m | BB |
| Klietz | 30 m | ST |
| Klingenberg a. M. | 140 m | BY |
| Klingenberg Talsperre | 395 m | SN |
| Klingenthal | 618 m | SN |
| Klingenthal-Aschberg | 914 m | SN |
| Klingenthal-Kamerun | 731 m | SN |
| Klings | 485 m | TH |
| Klink | 68 m | MV |
| Klink b. Waren | 70 m | MV |
| Klintum | 12 m | SH |
| Klippeneck | 974 m | BW |
| Klitsche | 30 m | ST |
| Klitsche-Neuenklitsche | 30 m | ST |
| Klitten | 132 m | SN |
| Klitten (Ph) | 130 m | SN |
| Klitzschen bei Torgau | 85 m | SN |
| Klockow | 10 m | MV |
| Kloddram | 45 m | MV |
| Kloster Lehnin | 35 m | BB |
| Kloster/Hiddensee | 25 m | MV |
| Klosterfelde | 50 m | BB |
| Klosterfelde (Ph) | 50 m | BB |
| Klosterlausnitz, Bad | 310 m | TH |
| Klosterlausnitz, Bad (Ph) | 330 m | TH |
| Klosterlechfeld | 560 m | BY |
| Klostermansfeld | 230 m | ST |
| Klotten | 120 m | RP |
| Klötze | 70 m | ST |
| Klötze/Altmark | 70 m | ST |
| Klötzin | 12 m | SH |
| Kluftern | 420 m | BW |
| Knau | 454 m | TH |
| Knechtsteden | 42 m | NW |