Kolkata Weather Forecast & Update for Today, Friday, 21 August 2026: Expect Heavy Rain and Thunderstorms, High of 33°C
Kolkata's weather forecast for Friday, 21 August 2026, indicates a day of heavy rain and thunderstorms, particularly from late morning through the afternoon. Temperatures will peak at 33°C, with humidity at 91% making it feel warmer. Be prepared for widespread rain and potential hail.
Kolkata, West Bengal, will experience a stormy and wet day on Friday, August 21, 2026, with thunderstorms and heavy rainfall anticipated throughout the afternoon. The day begins with overcast skies and a current temperature of 29°C, but a noticeable shift is expected around 10:00 AM when thunderstorms roll in, bringing a 65% chance of rain. Kolkata Weather Forecast & Update for Today, Friday, 21 August 2026: Expect Heavy Rain and Thunderstorms, High of 33°C.
| Current Weather in Kolkata, West Bengal — Friday, 21 August 2026 | ||
|
Temperature
29°C |
Feels Like
36°C |
High
33°C |
|
Low
27°C |
Conditions
Overcast |
Humidity
91% |
|
Wind Speed
4 km/h |
||
| Hourly Outlook for Kolkata — Friday, 21 August 2026 | ||||
| Time (IST) | Temp | Conditions | Rain | Wind |
| 00:00 | 28°C | Overcast | 4% | 4 km/h |
| 02:00 | 28°C | Overcast | 6% | 4 km/h |
| 04:00 | 28°C | Overcast | 5% | 4 km/h |
| 06:00 | 28°C | Overcast | 8% | 4 km/h |
| 08:00 | 30°C | Light drizzle | 20% | 4 km/h |
| 10:00 | 32°C | Thunderstorm | 65% | 1 km/h |
| 12:00 | 33°C | Thunderstorm | 93% | 2 km/h |
| 14:00 | 27°C | Thunderstorm with slight hail | 98% | 14 km/h |
Kolkata, West Bengal Weather Live Tracker Map on Windy
The weather is set to become more intense by midday, with the peak temperature reaching 33°C and a near certainty of thunderstorms and heavy downpours. By 2:00 PM, the temperature will drop to 27°C, but conditions will include thunderstorms with slight hail and a 98% chance of rain. Humidity will remain high at 91%, making the 'feels like' temperature reach 36°C, while wind speeds will be light, averaging around 4 km/h for most of the day, with a brief spike to 14 km/h during the afternoon thunderstorm activity. Residents should be prepared for potential disruptions due to the widespread and heavy rain, with a 100% chance of precipitation overall for the day.
Disclaimer: AI tools assisted in compiling the foundational data and research for this report. The final content was reviewed, edited and verified by human editors at LatestLY.
(The above story first appeared on LatestLY on Aug 21, 2026 12:12 AM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website latestly.com).