Ukraine’s weather on August 27 will be generally cooler than peak summer, according to Pogoda UNIAN. Across most oblasts daytime temperatures are forecast at roughly +18° to +23°C, with Crimea and Zakarpattia warmer at about +26°…+27°C.
Rain is expected to continue in the south and in several central regions. Forecast city details cited by the report include Odesa, Kherson, Mykolaiv, Zaporizhzhia and Dnipro as cloudy with rain. Kyiv is forecast to have variable cloudiness with overnight lows around +14°C and a daytime high near +23°C.
If you plan to travel within Ukraine on August 27, carry an umbrella for southern and some central routes; Kyiv itself should remain dry but cool for late summer.