World Weather Information Service - Peru - UN weather agency's month-by-month temperature and precipitation information by city. - http://worldweather.wmo.int/029/m029.htm
NOAA NWS - Peru Weather - US government site provides hour-by-hour weather conditions for the past 24 hours for major cities and locations in the country. - http://weather.noaa.gov/weather/PE_cc.html
Weather.com - Peru - City-by-city weather reports and forecasts. - http://www.weather.com/common/drilldown/PE.html
Weather Underground - Peru - Displays current conditions for all major cities on one page, with five-day forecast and more detailed information for each available. - http://www.wunderground.com/global/PR.html
BBC Weather Centre - Country Guides: Peru - Provides climate and weather information, facts and statistics about the country, along with five-day forecasts for major cities. - http://www.bbc.co.uk/weather/world/country_guides/results.shtml?tt=TT001940
Yahoo! Weather - Peru - Current conditions and five day forecasts by city. - http://weather.yahoo.com/regional/PEXX.html
WeatherHub - Peru - Links to forecasts for cities and airports from various weather sources. - http://www.weatherhub.com/global/pe.htm