- I want my Sun!
- IDR Clima
- Ibbleobble Weather Stickers for iMessage
- ICAC Cotton Expert
- IceBox Control
- Icon Weather App
- Icona Meteo
- Iconic Weather Stickers
- Idaho Crags Forecast
- Idaho News from KTVB
- Idaho Press
- Idaho State Journal
- Idaho Traveler
- Idem Hore - Počasie na horách
- IEM Mobile
- ILM+
- Ilmatieteen laitoksen sää
- Imatra-Lpr-Air
- Imperial Valley Air Quality
- In-počasí
- Inavitas Plant
- India Weather
- Indianapolis News from 13 WTHR
- Info BMKG
- Info-Stationnement
- Infoclimat
- INFOMARE-ER
- InfoNappe
- InfoOne
- Inmet
- InsideNoVA Mobile
- InspectNext
- Instant Aviation Weather Lite
- Instant Aviation Weather Pro
- Instantánea Tiempo local haya pronosticado 4 días
- Instant Marine Forecast Lite
- Instant Marine Forecast Pro
- Instant NOAA Alerts 3D Elite
- Instant NOAA Alerts 3D Lite
- Instant NOAA Buoys 3D
- Instant NOAA Radios Elite
- Instant NOAA Radios Lite
- Instant NOAA Storm Lite
- Instant NOAA Storm Pro
- Instant NOAA Tide Lite
- Instant NOAA Tide Pro
- Instant NOAA Weather Forecast
- Instant Weather Stations Lite
- Weather Activity in Cloud City - Life Alert by Thermostat for Global Warming and Summer Heat Ready
- InstantWeather App
- Photoweather - Past Weather
- Integra Client
- Intuitive Weather Update
- Iowa Road Cams
- Iowa's News NOW
- IOWA'SNEWSNOWWX
- IPSAD
- IQAir AirVisual | Calidad Aire
- Ireland Tides
- Irish Hills
- Irish News & World
- IRPC Air
- Irriga Global
- Irrigator Pro
- Is It Nice Out
- Is It Raining? — Weather App
- IS Supersää
- Is the weather nice?
- ISA Forecast
- ISCN Weather
- ISeeChange Tracker
- ISS live feed
- Istanbul Airport (IST) + Radar
- Ithaca.com
- Itsasbegi