Kolkata Weather Forecast & Update for Today, Sunday, 20 September 2026: Expect Heavy Thunderstorms and Rain, High of 34°C
Kolkata's weather on Sunday, 20 September 2026, will be dominated by developing thunderstorms and a high chance of rain, particularly around midday. While the actual temperature will peak at 34°C, a high humidity of 95% will make it feel warmer. Be prepared for significant rainfall and thunderstorms developing through the morning hours.
Kolkata residents can expect a dramatic shift in weather on Sunday, 20 September 2026, with thunderstorms and heavy rain forecast to peak around noon, accompanied by a 'feels like' temperature of 34°C. The day will begin mainly clear but will see a rapid increase in cloud cover and the chance of precipitation, with thunderstorms developing from around 10 AM. Hyderabad Weather Forecast & Update for Today, Sunday, 20 September 2026: Expect Overcast Conditions and Lingering Drizzle, High of 32°C.
| Current Weather in Kolkata, West Bengal — Sunday, 20 September 2026 | ||
|
Temperature
27°C |
Feels Like
34°C |
High
34°C |
|
Low
27°C |
Conditions
Mainly clear |
Humidity
95% |
|
Wind Speed
3 km/h |
||
| Hourly Outlook for Kolkata — Sunday, 20 September 2026 | ||||
| Time (IST) | Temp | Conditions | Rain | Wind |
| 00:00 | 27°C | Clear sky | 14% | 4 km/h |
| 02:00 | 27°C | Partly cloudy | 27% | 5 km/h |
| 04:00 | 25°C | Thunderstorm | 56% | 8 km/h |
| 06:00 | 26°C | Slight rain showers | 78% | 4 km/h |
| 08:00 | 27°C | Light drizzle | 88% | 4 km/h |
| 10:00 | 29°C | Thunderstorm | 90% | 6 km/h |
| 12:00 | 29°C | Thunderstorm | 91% | 9 km/h |
| 14:00 | 29°C | Light drizzle | 94% | 3 km/h |
Kolkata, West Bengal Weather Live Tracker Map on Windy
The morning will start with clear skies and a temperature of 27°C, but by 4 AM, thunderstorms are predicted, bringing a 56% chance of rain. This will escalate throughout the morning, with a 90% chance of thunderstorms by 10 AM and a 91% chance by 12 PM, coinciding with the day's peak temperature of 34°C. Despite the high humidity of 95%, wind speeds are expected to remain low, generally around 3 to 9 km/h. Light drizzle is anticipated through the early afternoon.
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 Sep 20, 2026 12:02 AM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website latestly.com).