पटना का कल का मौसम — tomorrow's high and low, rain chance, wind and sunrise for Patna, plus an hour-by-hour outlook and 7-day forecast.
Forecast data: Open-Meteo · Times in IST · For severe-weather warnings, follow IMD.
Patna lies on the southern bank of the Ganga and has a humid subtropical climate: hot summers, a humid monsoon, and cool, foggy winters.
April to June is hot, with highs often around 38–40 °C and hot westerly winds before the monsoon arrives.
The monsoon usually arrives in mid-June and lasts until late September. Heavy rain in Bihar and upstream can raise river levels on the Ganga.
December and January are cool, with highs around 20–23 °C and nights that can drop to around 8–10 °C. Fog is common on winter 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 Patna'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 Patna, the rainy season is usually mid-June to late September. The monsoon usually arrives in mid-June and lasts until late September. Heavy rain in Bihar and upstream can raise river levels on the Ganga.
May is usually the hottest time of year in Patna. April to June is hot, with highs often around 38–40 °C and hot westerly winds before the monsoon arrives.
January is usually the coolest time of year in Patna. December and January are cool, with highs around 20–23 °C and nights that can drop to around 8–10 °C. Fog is common on winter mornings.
The best time to visit Patna is generally October to March; Chhath Puja usually falls in October–November.
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.