WeatherCast lets you check the current temperature directly from the system tray. Detailed five-day and 48-hour forecasts as well as radar images are available with one click. Weathercast features include current temperature, wind speed, barometric pressure, humidity, wind chill, UV index, heat index, five-day forecast for most cities, 48-hour detailed forecast, sunrise and sunset times, radar images, and Save!, a program provided by WhenU which serves contextually relevant offers and information.