14-day weather forecast for Kolkata . Get the latest hourly weather updates for Kolkata today. Detailed forecast including temperature , wind, rain, snow, and UV index. Stay informed about today's weather conditions in Kolkata . During the summer months, temperature may climb to 45°C in some regions of the country while the low hardly drops to high twenties. On the other hand, the average temperatures fall across India during the winter months. Live weather reports from Kolkata weather stations and weather warnings that include risk of thunder, high UV index and forecast gales. See the links below the 12-day Kolkata weather forecast table for other cities and towns nearby along with weather conditions for local outdoor activities.