Abstract: Climate change presents a significant environmental challenge in the 21st century. This study analyzed rainfall and temperature trends in central Ethiopia from 1986-2018, evaluated farmers' perceptions of climate change impact, calibrated, evaluated, and used the CERES-Maize model in DSSAT to analyze impact and explore adaptations. The results showed significant increasing trends in Sen's Slope estimator at Ambo, Bako, Melkassa, Shashemane, Mojo, Batu, and Arsi Negele. The Kiremt s...