Weather in Central Europe is unpredictable. You have to pack for cold, rainy weather, for a heat wave, and everything in between. Temperatures can fall anywhere between 95 degrees and humid to 50 degrees, with rain and golf-ball-sized hail. Bring rainwear and umbrella.
• Weather.com http://www.weather.com
• CNN's Weather Page
o Austria http://weather.cnn.com/weather/forecast.jsp?locCode=VIEX