JoomUltra World map is a most powerful interactive HTML5/Vector map for Joomla. You can use it to display countries/markers by fantastic way and easy to customize.
Display Weather Forecasts of Current Time and Full Weeks of Any City / Zone You Want.
A nice module that allows you to display weather
joomlakave
This is a WordPress plugin in imitation of create so dense maps namely ye want, including interactive then colored markers, continents, nations or regions.
The Events Calendar Countdown Addon provides the ability to create Beautiful Countdown for The Events Calendar (by Modern Tribe) events with just a few clicks.
Vina Flat Weather for Joomla is a powerful weather module for Joomla 3 developed by VinaGecko that supports switching between two different weather API
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JUX Weather Forecast2.1.2 
JUX Weather Forecast is a beautiful, simple and feature rich weather module for Joomla. It allows you to interact with Weather.com to download and present all the latest local / international
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JUN Weather is an extension for Joomla! that helps users show weather on website easily with beautiful design.
This module
JoomMap4.1.4 
JoomMap is a unique and comprehensive mapping solution for Joomla, you can create advanced map based directories easily. Define the content for each location using CCK functionality and give your
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