AccuWeather.com - Ontario: Offers current local conditions, 5-day, 10-day, 15-day and extended weather forecasts plus weather maps, doppler radar, and historical weather information.
City of Ontario: Official city web page.
Ontario Chamber of Commerce: Guide to local businesses, attractions, shopping and lodging. Get information on Ontario Airport.
Ontario Convention and Visitors Bureau: Guide to convention services, community information, accommodations, and businesses in the city. Planning assistance available.
Ontario Local News: Topix.net: Local, regional, and statewide news collected from diverse sources on the web.