Hourly Weather | Today Friday, July 3, 2026
Active Weather Warnings
Alpharetta, Georgia
1 AM
Cloudy Night
79°
Feels Like 84°
1
Humidity: 79%
UV Index: 0
Wind: 2 mph
2 AM
Night
79°
Feels Like 84°
0
Humidity: 80%
UV Index: 0
Wind: 2 mph
3 AM
Night
79°
Feels Like 84°
0
Humidity: 80%
UV Index: 0
Wind: 2 mph
4 AM
Night
77°
Feels Like 82°
0
Humidity: 83%
UV Index: 0
Wind: 4 mph
5 AM
Night
79°
Feels Like 84°
0
Humidity: 79%
UV Index: 0
Wind: 4 mph
6 AM
Cloudy Night
79°
Feels Like 84°
0
Humidity: 79%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
81°
Feels Like 88°
1
Humidity: 77%
UV Index: 1
Wind: 2 mph
8 AM
Cloudy Weather
82°
Feels Like 93°
7
Humidity: 71%
UV Index: 2
Wind: 2 mph
9 AM
Cloudy Weather
84°
Feels Like 99°
7
Humidity: 65%
UV Index: 3
Wind: 4 mph
10 AM
Cloudy Weather
88°
Feels Like 102°
6
Humidity: 58%
UV Index: 5
Wind: 4 mph
11 AM
Cloudy Weather
91°
Feels Like 106°
5
Humidity: 52%
UV Index: 8
Wind: 5 mph
12 PM
Cloudy Weather
93°
Feels Like 109°
5
Humidity: 46%
UV Index: 11
Wind: 5 mph
1 PM
Cloudy Weather
97°
Feels Like 109°
8
Humidity: 40%
UV Index: 11
Wind: 5 mph
2 PM
Cloudy Weather
99°
Feels Like 109°
43
Humidity: 37%
UV Index: 11
Wind: 6 mph
3 PM
Cloudy Weather
99°
Feels Like 109°
47
Humidity: 35%
UV Index: 8
Wind: 6 mph
4 PM
Sunny with a Chance of Thunderstorms
93°
Feels Like 100°
51
Humidity: 46%
UV Index: 5
Wind: 5 mph
5 PM
Cloudy Weather
95°
Feels Like 102°
19
Humidity: 44%
UV Index: 3
Wind: 5 mph
6 PM
Cloudy Weather
95°
Feels Like 100°
15
Humidity: 43%
UV Index: 2
Wind: 5 mph
7 PM
Cloudy Weather
93°
Feels Like 97°
19
Humidity: 45%
UV Index: 1
Wind: 5 mph
8 PM
Cloudy Weather
90°
Feels Like 93°
47
Humidity: 50%
UV Index: 0
Wind: 5 mph
9 PM
Stormy Weather
86°
Feels Like 88°
51
Humidity: 63%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
84°
Feels Like 90°
47
Humidity: 61%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
82°
Feels Like 86°
34
Humidity: 68%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.27 µg/m³
  • PM10: 10.73 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

2 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.22 µg/m³
  • PM10: 10.9 µg/m³
  • O3: 0.014 ppm
  • NO2: 2.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

3 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.08 µg/m³
  • PM10: 10.99 µg/m³
  • O3: 0.011 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

4 AM
29 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.91 µg/m³
  • PM10: 10.97 µg/m³
  • O3: 0.010 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.69 µg/m³
  • PM10: 10.86 µg/m³
  • O3: 0.009 ppm
  • NO2: 1.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

6 AM
27 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.44 µg/m³
  • PM10: 10.73 µg/m³
  • O3: 0.008 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

7 AM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.24 µg/m³
  • PM10: 10.64 µg/m³
  • O3: 0.007 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

8 AM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.09 µg/m³
  • PM10: 10.55 µg/m³
  • O3: 0.008 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

9 AM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.85 µg/m³
  • PM10: 10.44 µg/m³
  • O3: 0.013 ppm
  • NO2: 1.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.81 µg/m³
  • PM10: 10.64 µg/m³
  • O3: 0.018 ppm
  • NO2: 1.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.22 µg/m³
  • PM10: 11.3 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

12 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.48 µg/m³
  • PM10: 11.63 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

1 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.51 µg/m³
  • PM10: 11.12 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

2 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.64 µg/m³
  • PM10: 10.92 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

3 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.87 µg/m³
  • PM10: 10.97 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

4 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.23 µg/m³
  • PM10: 11.23 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

5 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.64 µg/m³
  • PM10: 11.57 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

6 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.01 µg/m³
  • PM10: 12.12 µg/m³
  • O3: 0.048 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

7 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.29 µg/m³
  • PM10: 12.66 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.45 µg/m³
  • PM10: 12.91 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.41 µg/m³
  • PM10: 12.81 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.42 µg/m³
  • PM10: 12.71 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.46 µg/m³
  • PM10: 12.53 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Alpharetta

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 2 at 8:56PM EDT until July 4 at 8:00PM EDT by NWS Peachtree City GA
Jul 2, 8:56 PM Jul 4, 8:00 PM
WHAT: Heat index values up to 105.

WHERE: Portions of central, east central, north central,
northeast, northwest, and west central Georgia.

WHEN: Until 8 PM EDT Saturday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Updated: Jul 2, 11:21 PM Source: NWS Alert