The data for this weather forecast has been sourced from AQI.in, providing residents with comprehensive information to plan their daily activities and weekly schedules accordingly.Bengaluru’s weather forecast for September 21, 2025, indicates patchy rain with temperatures ranging between 19°C and 25°C, along with high humidity at 84%. The city maintained good air quality with an AQI of 45 yesterday, while gentle winds at 18.4 km/h and sunset at 6:16 PM are expected today.The day begins at a mild 19°C, providing comfortable conditions for morning activities. By noon, temperatures will reach 25°C, with cloud cover throughout the day. Patchy rain showers are anticipated, particularly during late afternoon hours.Air quality measurements from yesterday showed PM2.5 at 16 µg/m³ and PM10 at 45 µg/m³, typical urban pollutant levels. CO levels were slightly elevated at 355, attributed to traffic emissions. The expected rainfall may help reduce these pollutant levels further.The morning presents ideal conditions for outdoor activities, though rain probability increases later in the day. While air quality remains good, individuals with respiratory sensitivities are advised to avoid high-traffic areas.
Upcoming Week Outlook
The weather outlook for the upcoming week shows continued patchy rain and mild temperatures in Bangalore. Sunday will be slightly warmer at 26°C with high rain probability. Similar conditions will persist through Monday and Tuesday, with reduced rainfall expected.Mid-week temperatures will stabilize around 24°C, featuring cooler nights and alternating sun and clouds. Thursday and Friday present better opportunities for outdoor activities with lower rain chances.Yesterday’s AQI reading of 45 marked one of the month’s cleanest air quality measurements, following a period of elevated pollution levels. Today’s forecasted rain is expected to help maintain these improved conditions.The morning offers pleasant conditions for outdoor activities, though carrying an umbrella is recommended due to expected rainfall. The combination of cool temperatures and good air quality creates favorable conditions for various activities, weather permitting.Data for this weather report was sourced from AQI.in, providing accurate measurements of both weather conditions and air quality parameters for Bangalore.
