पूर्णिया का कल का मौसम — tomorrow's high and low, rain chance, wind and sunrise for Purnia, plus an hour-by-hour outlook and 7-day forecast.
AQI is an estimate on India's CPCB scale, calculated from 24-hour average PM2.5 and PM10 forecast by the Copernicus Atmosphere Monitoring Service (via Open-Meteo). It is model data, not a monitoring-station reading — for official values see CPCB.
Forecast data: Open-Meteo · Times in IST · For severe-weather warnings, follow IMD.
Purnia, in north-eastern Bihar near the Kosi, is one of the wettest parts of Bihar, with humid summers, a heavy monsoon and cool winters.
April and May are hot and humid, with highs around 35–37 °C and frequent thunderstorms.
The monsoon usually arrives in early to mid-June — earlier than in western Bihar — and lasts until late September. The Kosi is notorious for floods.
December and January are cool, with days around 22–24 °C and nights around 9–11 °C, and fog on many mornings.
Monthly averages for the last 12 complete months, calculated from Open-Meteo's historical weather data. A useful reality check next to the typical climate described above.
| Month | Avg high | Avg low | Rainfall | Rain days |
|---|
The Tomorrow card at the top of this page shows Purnia's expected high and low temperature, chance of rain, expected rainfall, wind, UV index and sunrise/sunset for tomorrow. It updates live from Open-Meteo forecast models every time you open the page.
In Purnia, the rainy season is usually early June to late September. The monsoon usually arrives in early to mid-June — earlier than in western Bihar — and lasts until late September. The Kosi is notorious for floods.
May is usually the hottest time of year in Purnia. April and May are hot and humid, with highs around 35–37 °C and frequent thunderstorms.
January is usually the coolest time of year in Purnia. December and January are cool, with days around 22–24 °C and nights around 9–11 °C, and fog on many mornings.
The best time to visit Purnia is generally October to March.
The Air quality section on this page shows an estimated AQI for Purnia for the last 24 hours and for tomorrow, on India's CPCB scale (Good, Satisfactory, Moderate, Poor, Very Poor, Severe). It is calculated from PM2.5 and PM10 forecasts by the Copernicus Atmosphere Monitoring Service. For official station readings, check the CPCB website.
Next-day forecasts are usually the most reliable part of any forecast, especially for temperature. Rain timing and amounts are harder to predict, particularly during the monsoon and thunderstorm season, so check again on the morning itself and follow India Meteorological Department (IMD) warnings for severe weather.