There are several meteorological stations in Slovakia (30 – 45, dependent on climatic element) with complete and good quality observations since 1951 (some of them only since 1961). Three stations have complete data since 1881. Most of these stations well represent such important sub-regions like the Danubian Lowland, other lowlands and hollows in Slovakia, or the area around the Tatra Mts. This paper presents some details on daily air humidity characteristics and daily saturation deficit at Hurbanovo (115 m a. s. l. SW Slovakia) in 1961 – 2009, including some informa­tion on air tempera­ture, precipitation and modeled evapotranspira­tion. In 2007 the newest Canadian CGCM3.1 climatic model with daily data outputs have been analyzed (IPCC emission scenarios SRES-A2 and SRES-B1 were applied). Selected information on scenarios of daily air humidity data in 1961 – 2100 for Hur­banovo and other localities in Slovakia are pre­sented, all based only on the CGCM3.1 outputs and the Slovak Hydro­meteorological Institute measured data. Possible impacts of climate change in the Slovak cities are listed in the final part of paper.