Yahoo! Weather - Guam
- Offers current conditions along with five-day and extended forecasts for major cities. From the Weather Channel.
- http://weather.yahoo.com/regional/USGU.html

AOL Weather - Guam
- Provides current conditions and seven-day forecast for major cities and locations, along with weather headlines, local resources and outlooks for outdoor activities and travel.
- http://weather.aol.com/locations.adp?country=US&state=GU

BBC Weather Centre - Country Guides: Guam
- Provides climate and weather information, facts and statistics about the country.
- http://www.bbc.co.uk/weather/world/country_guides/results.shtml?tt=TT004890

National Weather Service
- Current conditions, forecasts and public warnings. Also includes aviation and marine weather, satellite and radar imagery.
- http://www.prh.noaa.gov/pr/guam/