Heat Advisory — Dade, GA, Walker, GA, Catoosa, GA, Fannin, GA, Gilmer, GA, Pickens, GA, Cherokee, GA, Paulding, GA, Cobb, GA, North Fulton, GA, Haralson, GA, Carroll, GA, Douglas, GA, South Fulton, GA, Dawson, GA, Forsyth, GA, Hall, GA, Banks, GA, Jackson, GA, Madison, GA, Gwinnett, GA, Barrow, GA, Clarke, GA, Oconee, GA, Oglethorpe, GA, Wilkes, GA, DeKalb, GA, Rockdale, GA, Walton, GA, Newton, GA, Morgan, GA, Greene, GA, Taliaferro, GA, Heard, GA, Coweta, GA, Fayette, GA, Clayton, GA, Spalding, GA, Henry, GA, Butts, GA, Jasper, GA, Putnam, GA, Whitfield, GA, Murray, GA, Chattooga, GA, Gordon, GA, Floyd, GA, Bartow, GA, Polk, GA 7:00 PM Excessive Heat Watch 7:00 PM

Gwinnett County, Georgia, United States

Last updated: 10:08 PM CDT  ·  Refresh
29°C
Feels like 33°
Clear
▲ 34°  /  ▼ 24°
Wind
3 mph S
Humidity
67%
Dew Point
23°
Pressure
29.02 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
6:28 AM
Sunset
8:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Gwinnett County is currently clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3115 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 8:51PM.

Alerts

Heat Advisory
Dade, GA, Walker, GA, Catoosa, GA, Fannin, GA, Gilmer, GA, Pickens, GA, Cherokee, GA, Paulding, GA, Cobb, GA, North Fulton, GA, Haralson, GA, Carroll, GA, Douglas, GA, South Fulton, GA, Dawson, GA, Forsyth, GA, Hall, GA, Banks, GA, Jackson, GA, Madison, GA, Gwinnett, GA, Barrow, GA, Clarke, GA, Oconee, GA, Oglethorpe, GA, Wilkes, GA, DeKalb, GA, Rockdale, GA, Walton, GA, Newton, GA, Morgan, GA, Greene, GA, Taliaferro, GA, Heard, GA, Coweta, GA, Fayette, GA, Clayton, GA, Spalding, GA, Henry, GA, Butts, GA, Jasper, GA, Putnam, GA, Whitfield, GA, Murray, GA, Chattooga, GA, Gordon, GA, Floyd, GA, Bartow, GA, Polk, GA
Expires 7:00 PM
Excessive Heat Watch
Expires 7:00 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
3%
12 AM
28°
14%
1 AM
27°
14%
2 AM
27°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
25°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
5%
10 AM
30°
5%
11 AM
32°
13%
12 PM
33°
14%
1 PM
34°
17%
2 PM
36°
21%
3 PM
36°
21%
4 PM
36°
21%
5 PM
36°
26%
6 PM
34°
21%
7 PM
33°
25%
8 PM
32°
25%
9 PM
31°
25%
10 PM
28°
22%
7-Day Forecast
Tonight
34° 24°
Clear.
Thu
37° 24°
Partly Cloudy with a 26% chance of rain.
Fri
38° 23°
Partly Cloudy.
Sat
38° 24°
Partly Cloudy.
Sun
37° 24°
Rain, 65% chance.
Mon
36° 22°
Rain, 64% chance.
Tue
36° 23°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Clear 3% 3 mph S 67%
12 AM 28° Clear 14% 2 mph WSW 70%
1 AM 27° Clear 14% 2 mph WSW 73%
2 AM 27° Clear 3% 2 mph W 75%
3 AM 26° Mostly Clear 3% 2 mph WNW 78%
4 AM 26° Mostly Clear 3% 2 mph NW 80%
5 AM 25° Mostly Clear 3% 2 mph NW 82%
6 AM 24° Mostly Clear 3% 2 mph WNW 82%
7 AM 24° Mostly Clear 3% 2 mph WNW 81%
8 AM 26° Mostly Clear 3% 2 mph W 78%
9 AM 28° Partly Cloudy 5% 3 mph WNW 69%
10 AM 30° Partly Cloudy 5% 3 mph WNW 61%
11 AM 32° Mostly Cloudy 13% 3 mph WNW 54%
12 PM 33° Mostly Cloudy 14% 2 mph ENE 50%
1 PM 34° Mostly Cloudy 17% 3 mph E 45%
2 PM 36° Mostly Cloudy 21% 4 mph E 42%
3 PM 36° Mostly Cloudy 21% 5 mph ESE 41%
4 PM 36° Mostly Cloudy 21% 6 mph ESE 41%
5 PM 36° Mostly Cloudy 26% 6 mph ESE 41%
6 PM 34° Mostly Cloudy 21% 4 mph E 48%
7 PM 33° Mostly Cloudy 25% 6 mph ENE 55%
8 PM 32° Mostly Cloudy 25% 7 mph NNE 61%
9 PM 31° Mostly Cloudy 25% 6 mph NE 63%
10 PM 28° Partly Cloudy 22% 5 mph NE 65%
15-Day Forecast
Today
7/1
Clear
3%
24°
34°
Thu
7/2
Partly Cloudy
26%
24°
37°
Fri
7/3
Partly Cloudy
12%
23°
38°
Sat
7/4
Partly Cloudy
17%
24°
38°
Sun
7/5
Rain
65%
24°
37°
Mon
7/6
Rain
64%
22°
36°
Tue
7/7
Rain
63%
23°
36°
Wed
7/8
Drizzle
53%
24°
36°
Thu
7/9
Drizzle
44%
24°
35°
Fri
7/10
Drizzle
66%
24°
36°
Sat
7/11
Drizzle
90%
24°
37°
Sun
7/12
Drizzle
90%
23°
36°
Mon
7/13
Drizzle
60%
23°
33°
Tue
7/14
Drizzle
60%
23°
34°
Wed
7/15
Drizzle
60%
23°
34°
44
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
44 AQI 7.9 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 43 44
Fri 54 Moderate 54 51
Sat 47 Good 43 47
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Thu Jul 2, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2940 J/kg
MLCAPE2972 J/kg
MUCAPE3157 J/kg
SBCIN-104 J/kg
MLCIN0 J/kg
Lifted Index-8.4
Kinematics
0–6 km Shear18 kt
0–1 km Shear3 kt
Eff. Shear10 kt
0–1 km SRH-4
0–3 km SRH-35
Eff. SRH-35
Storm Motion48° @ 26 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index24.3
Thermo & Levels
PWAT1.70 in
0–3 km LR5.9 °C/km
700–500 LR7.5 °C/km
Total Totals54.9
LCL894 hPa
LFC807 hPa
EL157 hPa
Freezing Lvl15,095 ft