This study employs a structural time series method in order to model and estimate stochastic trend of surface temperatures of the globe, Northern Hemisphere, and Northeast Asia ($20^{circ}N{sim}60^{circ}N$, $100^{circ}E{sim}150^{circ}E$). For this study the reanalysis data CRUTEM3 (CRU/Hadley Centre gridded land-surface air temperature Version 3) is used. The results show that in these three regions range from $0.268^{circ}C$ to $0.336^{circ}C$ in 1997, whereas these vary from $0.423^{circ}C$ to $0.583^{circ}C$ in 2007. The annual mean temperature over Northeast Asia has increased by $0.031^{circ}C$ in 2007 compared to 1997. The climate change in surface temperatures over Northeast Asia is slightly higher than that over the Northern Hemisphere.