Kolkata's weather stays humid almost all year — summers feel muggy and sudden heavy monsoon rain often waterlogs the streets. Winter is pleasant, but the city carries a heavy air-pollution load, so it is wise to check the Air Quality Index (AQI) regularly.
Check the "Chance of rain" card above — the hourly forecast for this moment and today's maximum rain probability update live right here.
October to February — especially November–January — when temperatures stay mild and it is the most comfortable time to be outdoors.
Vehicle exhaust, construction dust and high population density push PM2.5 levels up, especially in winter. Wearing a mask on winter mornings is a good idea.