- Aviation Digital Data Service (ADDS)
- An aviation weather graphics site including icing, turbulence, and convection. Also includes a "Flight Path Tool" for pilots. - Upper Midwest Aviation Weather - Central reference for aviation weather resources, focusing on current and forecast conditions in the upper midwest region of the US, including Minnesota, Wisconsin, South Dakota, North Dakota, and Iowa.
- Data Transformation Corp DUAT - FAA's Direct User Access Terminal service provides free aviation weather and flight planning for certified pilots in the US.
- Base Ops - Aviation Weather for Flight Preparation with TAF Metar Sigmet Radar and Sat-pictures.
- Ace's Pilot Shop Weather Data - Aviation weather and flight planning, including forecasts, observations, weather maps, DUATS briefings, icing, and turbulence.
- METAR and TAF Archive - Archive of current and historical METAR and TAF reports for airports worldwide.
- Winds and Temperatures Aloft - By selecting one of over 160 continental cities in the U.S.A. or one of 30 cities in Alaska, you can obtain wind direction, speed, and temperature forecasts.
- Aviation Weather - Displays live pilot reports, current and forecast weather (PIREPs, METARs, TAFs), temporary flight restrictions (TFRs) with optional radar overlays using Google maps.
- Meteo Mobile - Metar, Taf, satellite images, airport maps and nearby POI's delivered via mobile phone.
- Aviation Weather Center - The National Weather Service's aviation weather site with official forecast products as well as experimental products.
- Universal Weather and Aviation, Inc. - Provides aviation weather services and free video broadcasts to corporate pilots.
- Enflight - Obtain plain-language weather briefings using exclusive WXpert translation. View up-to-date weather graphics. Helps prepare and file flight plans. Available both on the Web and on mobile PDAs (Palm i705, etc.)
- BalloonCast - Customized weather for balloon pilots. METARs, TAFs, winds aloft, sunrise/set for multiple stations compared side by side, all codes translated to English and times converted to local.
- Pilot's Guide to Aviation Weather Services - An online brochure to help pilots use the "National Aviation Weather System."
- Airwx Mobile - Get METARs, TAFs, PIREPs, and weather charts on your mobile phone (and iPhone).
- SA Weather Service - Aviation - Provides weather services for the aviation industry in Southern Africa. Includes metars, sigmet charts and forecasts.
- Pilot Weather Briefing - Free weather information for pilots, including surface conditions, upper level winds, turbulence, icing, thunderstorms, TAFs and Metars, radar and satellite images.
- WSI - Provides pre-flight and in-flight weather information. Aviation weather also available online through WSI Pilotbrief.
- WXSYS On Demand - Aviation weather for mobile devices including BlackBerry, iPhone, and Windows Mobile.
- Flying in Europe - Weather information for flying in Europe, including all airport notams, calculations, country information, airport webcams, FBO database, and all aviation abbreviations.
- mobileMETAR - METARs and TAFs on your mobile phone (iPhone) for your local airport.
- Turbulence Forecast - Turbulence forecast maps for around the world.
- DigiWx USA - Provides local weather information in real time to ground personnel and pilots through local terminals, standard UNICOM frequencies, telephone and Internet.