CIA - The World Factbook: Johnston Island Features map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues.
NOAA NWS - Johnston Island Weather US government site provides hour-by-hour weather conditions for the past 24 hours for major cities and locations in the country.
Weather Underground - Johnston Island Displays current conditions at the weather station along with a five-day forecast and more detailed information.