Kolkata's weather today, Sunday, August 09, 2026, will see a shift towards thunderstorms and heavy drizzle, especially around noon. The high temperature will be 31°C, with humidity at 91% making it feel warmer. Be prepared for a 100% chance of rain throughout the afternoon. 📰 Kolkata Weather Forecast & Update for Today, Sunday, 09 August 2026: Expect Heavy Rain and Thunderstorms, High of 31°C.