Viewing Weather Data Garmin Online provides you with live weather data where available, including current conditions and an extended forecast. You must have an active connection to Garmin Online in order to view weather data. See Understanding Garmin Online for more information. To view weather data: 1. Select (Menu >) Tools > Garmin Online > Weather. A list of weather data for your current location appears. 2. To view details, select an item from the list. 3. To show weather for a different location, select New City and enter a city name. Weather data also appears when you find a location.