Currently: 79 °F. Fog. (Weather station: Patna Airport, India). See more current weather Be prepared with the most accurate 10-day forecast for Patna , Bihar with highs, lows, chance of precipitation from The Weather Channel and Weather .com Current weather condition is Mist with real-time temperature (23°C), humidity 94%, wind 5km/h, pressure (1009mb), UV (0), visibility (2.5km) in Bihar. Current weather in Patna , Bihar, India. Check current conditions in Patna , Bihar, India with radar, hourly, and more.