| weather forecast for Castle Airport | |
| municipality: | Merced |
| coordinates: | 37.3805007,-120.56800 |
| IATA code: | MER |
| ICAO code: | KMER |
| local_code: | MER |
| GPS code: | KMER |
| elevation: | 191 ft |
 | Merced Regional Macready Field | ~ 11.67 km |
| Modesto City Co-Harry Sham Field | ~ 43.63 km |
| Los Banos Municipal Airport | ~ 44.24 km |
| Oakdale Airport | ~ 46.52 km |
| Mariposa Yosemite Airport | ~ 48.82 km |
| Madera Municipal Airport | ~ 59.42 km |
| Columbia Airport | ~ 73.51 km |
| Stockton Metropolitan Airport | ~ 82.12 km |
| Hollister Municipal Airport | ~ 92.23 km |
