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Hourly Weather | Today › Wednesday, August 12, 2026
Active Weather Warnings
Noblesville, Indiana
9 AM
Foggy Weather
72°
Feels Like 75°
34
Humidity: 97%
UV Index: 1
Wind: 7 mph
10 AM
Foggy Weather
75°
Feels Like 81°
39
Humidity: 91%
UV Index: 2
Wind: 7 mph
11 AM
Foggy Weather
77°
Feels Like 84°
49
Humidity: 87%
UV Index: 3
Wind: 7 mph
12 PM
Sunny with a Chance of Thunderstorms
79°
Feels Like 84°
69
Humidity: 83%
UV Index: 3
Wind: 8 mph
1 PM
Sunny with a Chance of Thunderstorms
81°
Feels Like 86°
69
Humidity: 80%
UV Index: 3
Wind: 9 mph
2 PM
Sunny with a Chance of Thunderstorms
81°
Feels Like 88°
59
Humidity: 88%
UV Index: 3
Wind: 9 mph
3 PM
Cloudy Weather
84°
Feels Like 95°
49
Humidity: 73%
UV Index: 5
Wind: 9 mph
4 PM
Cloudy Weather
82°
Feels Like 91°
49
Humidity: 76%
UV Index: 4
Wind: 10 mph
5 PM
Cloudy Weather
81°
Feels Like 90°
49
Humidity: 77%
UV Index: 2
Wind: 9 mph
6 PM
Cloudy Weather
79°
Feels Like 86°
49
Humidity: 81%
UV Index: 1
Wind: 8 mph
7 PM
Sunny with a Chance of Thunderstorms
77°
Feels Like 79°
64
Humidity: 86%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Weather
75°
Feels Like 79°
40
Humidity: 89%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
73°
Feels Like 79°
34
Humidity: 90%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
72°
Feels Like 75°
37
Humidity: 96%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
70°
Feels Like 73°
43
Humidity: 100%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.33 µg/m³
  • PM10: 5.43 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
22 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.21 µg/m³
  • PM10: 5.31 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.06 µg/m³
  • PM10: 5.15 µg/m³
  • O3: 0.018 ppm
  • NO2: 1.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.52 µg/m³
  • PM10: 5.62 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.73 µg/m³
  • PM10: 6.89 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.8 ppb
  • SO2: 0.8 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.32 µg/m³
  • PM10: 8.55 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.43 µg/m³
  • PM10: 9.74 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.5 ppb
  • SO2: 1.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
41 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.84 µg/m³
  • PM10: 10.19 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.5 ppb
  • SO2: 1.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
41 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.81 µg/m³
  • PM10: 10.17 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.6 ppb
  • SO2: 1.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.41 µg/m³
  • PM10: 9.78 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.9 ppb
  • SO2: 1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.05 µg/m³
  • PM10: 9.42 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.76 µg/m³
  • PM10: 9.14 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.6 ppb
  • SO2: 0.8 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.68 µg/m³
  • PM10: 9.08 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.83 µg/m³
  • PM10: 9.26 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.07 µg/m³
  • PM10: 9.51 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Noblesville

Severe Future Possible

Flood Watch

Flood Watch issued August 12 at 5:38AM EDT until August 13 at 12:00AM EDT by NWS Indianapolis IN
Aug 12, 5:38 AM → Aug 13, 12:00 AM
WHAT: Flash flooding caused by excessive rainfall continues to be
possible.

WHERE: Much of central Indiana

WHEN: Through this evening.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

ADDITIONAL DETAILS:
- Flash Flooding is ongoing across portions of the watch with
continued and additional flash flooding likely due to
additional storms today.
- http://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Updated: Aug 12, 8:25 AM Source: NWS Alert

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