- R P T
- R T H
- RAD Calc
- Radair4D
- Radar & Weather Forecast
- Radar Extreme - NOAA Doppler
- Radar HD - Radar and Alerts
- Radar Meteo - Italia ed Europa
- Radar MAX Future Weather Radar
- Radar Pro
- Radar Meteo - Meteo Locale
- Radares da Amazônia - SIPAM
- RadarOmega
- Radiation Map Tracker displays worldwide radiation
- Radio Scanner police
- RAIN (raindrops-rain in forest
- Rain or Shine
- Allarme pioggia - Rain Alarm
- Rain Bell, rainy day, snowy day , windy day notification
- Rain Cast
- Rain Cast+
- Rain Harvest
- Rain Harvesting
- Rain Info
- Rain Info
- Rain Maps
- Radar pioggia - Mappe meteo
- Rain radar and storm tracker for Japan
- Rain Radar App
- Rain Radar Australia
- Rain Radar Lite - Aus Weather
- Rain Radar New Zealand
- Rain Radar Pro - Aus Weather
- Meteo subito Previsioni avvisi
- Rain Radar+ AU - BOM Radar
- RainAlertz
- Rainbird - climate risk alarm
- Rainboo
- RainbowChase Weather
- Raindrop Weather
- Raindrops for relaxation
- Rainsat Burkina Faso
- Rainsat Ghana
- Rainsat Senegal
- RainTracker - Daily Weather Gauge
- RainViewer・Meteo Radar Live
- Rainy
- Rainy Day: Better Sleep
- Rainy Days Rain Radar
- Rainy Routes
- Raise and Set Times - Moonrise, moonset, sunrise, sunset times and compass
- Rancherita Clima
- Range Vision
- Rasidweather
- RASP
- RC WINDS
- ReadyMDC
- ReadyTN 2.0
- Real termometro
- Maree e Correnti HD
- Real Weather App
- Reale Previsioni Meteo
- Recuerdame
- Red Clock - Weather & Alarm
- Red Stick Ready - Baton Rouge
- RedStick
- Regenmelding
- Reggio Emilia Meteo
- Regionalny System Ostrzegania
- Reima - shop kids' clothing