Grayson (Gwinnett County) — Weather
Sign in to add favorites
Sign InLive· Clear within 100 kmJust updated
22°C72°F· Overcast · 99% cloud cover
Feels like 26°C78°F · Low 21°C70°F · High 28°C83°F
Wind
6 km/h2 m/s3 mph from NE
Humidity
97%
Pressure
1019 hPa30.10 inHgstable
UV Index
0.0Low(night)
Unsettled — heat
It's 22°C72°F and overcast in Grayson at the moment.
🌧️ Rain expected from 05:00.
🌧️ Local instability on Sunday, with rain. Total ~1.9 mm. Below the monthly normal (118 mm/month).
🌡️ Expect 28°C82°F — 2.7°C45°F warmer than the July seasonal mean (26°C79°F).
Hourly forecast
Detailed forecast for the next 60 hours
TemperaturePrecipitationWind
CAPE (J/kg)Instability Threshold
mminkm/hm/smphHumidity %
Daily Forecast
TodayNW 11 km/h3 m/s7 mph(gusts 27717)84%UV 10hToday84%NW 11 km/h3 m/s7 mph (gusts 27717)UV 10h
Today
NW 11 km/h3 m/s7 mph(gusts 27717)84%UV 10h
Today
84%
NW 11 km/h3 m/s7 mph (gusts 27717)
UV 1
0h
Today — Hourly Forecast
06:4214h20:42
Tomorrow1.9 mm0.07 inNW 11 km/h3 m/s7 mph(gusts 29818)76%UV 23hTomorrow76%NW 11 km/h3 m/s7 mph (gusts 29818)1.9 mm0.07 inUV 23h
Tomorrow
1.9 mm0.07 inNW 11 km/h3 m/s7 mph(gusts 29818)76%UV 23h
Tomorrow
76%
NW 11 km/h3 m/s7 mph (gusts 29818)
1.9 mm0.07 in
UV 2
3h
Tomorrow — Hourly Forecast
06:4314h20:41
MondayNE 6 km/h2 m/s4 mph(gusts 16410)72%UV 23hMonday72%NE 6 km/h2 m/s4 mph (gusts 16410)UV 23h
Monday
NE 6 km/h2 m/s4 mph(gusts 16410)72%UV 23h
Monday
72%
NE 6 km/h2 m/s4 mph (gusts 16410)
UV 2
3h
Monday — Forecast Overview
06:4413.9h20:40
TuesdayW 16 km/h4 m/s10 mph(gusts 33921)59%UV 210hTuesday59%W 16 km/h4 m/s10 mph (gusts 33921)UV 210h
Tuesday
W 16 km/h4 m/s10 mph(gusts 33921)59%UV 210h
Tuesday
59%
W 16 km/h4 m/s10 mph (gusts 33921)
UV 2
10h
Tuesday — Forecast Overview
06:4413.9h20:39
Wednesday0.7 mm0.03 inW 20 km/h6 m/s12 mph(gusts 371023)70%UV 27hWednesday70%W 20 km/h6 m/s12 mph (gusts 371023)0.7 mm0.03 inUV 27h
Wednesday
0.7 mm0.03 inW 20 km/h6 m/s12 mph(gusts 371023)70%UV 27h
Wednesday
70%
W 20 km/h6 m/s12 mph (gusts 371023)
0.7 mm0.03 in
UV 2
7h
Wednesday — Forecast Overview
06:4513.9h20:39
ThursdayNW 12 km/h3 m/s7 mph(gusts 29818)65%UV 211hThursday65%NW 12 km/h3 m/s7 mph (gusts 29818)UV 211h
Thursday
NW 12 km/h3 m/s7 mph(gusts 29818)65%UV 211h
Thursday
65%
NW 12 km/h3 m/s7 mph (gusts 29818)
UV 2
11h
Night
25°C78°F
Morning
27°C80°F
Afternoon
27°C80°F
Evening
29°C84°F
06:4613.9h20:38
FridayN 5 km/h1 m/s3 mph(gusts 1449)65%UV 29hFriday65%N 5 km/h1 m/s3 mph (gusts 1449)UV 29h
Friday
N 5 km/h1 m/s3 mph(gusts 1449)65%UV 29h
Friday
65%
N 5 km/h1 m/s3 mph (gusts 1449)
UV 2
9h
Night
23°C73°F
Morning
27°C80°F
Afternoon
27°C80°F
Evening
29°C84°F
06:4613.8h20:37
SaturdayE 11 km/h3 m/s7 mph(gusts 20612)66%UV 210hSaturday66%E 11 km/h3 m/s7 mph (gusts 20612)UV 210h
Saturday
E 11 km/h3 m/s7 mph(gusts 20612)66%UV 210h
Saturday
66%
E 11 km/h3 m/s7 mph (gusts 20612)
UV 2
10h
Night
24°C75°F
Morning
26°C80°F
Afternoon
26°C80°F
Evening
27°C80°F
06:4713.8h20:36
Sunday10.0 mm0.40 in· heavySE 11 km/h3 m/s7 mph(gusts 33920)87%7hSunday87%SE 11 km/h3 m/s7 mph (gusts 33920)10.0 mm0.40 in7h
Sunday
10.0 mm0.40 in· heavySE 11 km/h3 m/s7 mph(gusts 33920)87%7h
Sunday
87%
SE 11 km/h3 m/s7 mph (gusts 33920)
10.0 mm0.40 in
7h
Night
24°C75°F
Morning
24°C75°F
Afternoon
24°C75°F
Evening
23°C73°F
06:4813.8h20:35
Monday4.9 mm0.19 inSW 10 km/h3 m/s6 mph(gusts 19512)91%12hMonday91%SW 10 km/h3 m/s6 mph (gusts 19512)4.9 mm0.19 in12h
Monday
4.9 mm0.19 inSW 10 km/h3 m/s6 mph(gusts 19512)91%12h
Monday
91%
SW 10 km/h3 m/s6 mph (gusts 19512)
4.9 mm0.19 in
12h
Night
21°C69°F
Morning
23°C73°F
Afternoon
23°C73°F
Evening
24°C76°F
06:4913.8h20:35
TuesdayW 10 km/h3 m/s6 mph(gusts 18511)74%14hTuesday74%W 10 km/h3 m/s6 mph (gusts 18511)14h
Tuesday
W 10 km/h3 m/s6 mph(gusts 18511)74%14h
Tuesday
74%
W 10 km/h3 m/s6 mph (gusts 18511)
14h
Night
22°C71°F
Morning
28°C82°F
Afternoon
28°C82°F
Evening
28°C82°F
06:4913.7h20:34
WednesdayNW 16 km/h4 m/s10 mph(gusts 27817)60%14hWednesday60%NW 16 km/h4 m/s10 mph (gusts 27817)14h
Wednesday
NW 16 km/h4 m/s10 mph(gusts 27817)60%14h
Wednesday
60%
NW 16 km/h4 m/s10 mph (gusts 27817)
14h
Night
24°C75°F
Morning
31°C87°F
Afternoon
31°C87°F
Evening
29°C84°F
06:5013.7h20:33
ThursdayNW 17 km/h5 m/s10 mph(gusts 29818)59%14hThursday59%NW 17 km/h5 m/s10 mph (gusts 29818)14h
Thursday
NW 17 km/h5 m/s10 mph(gusts 29818)59%14h
Thursday
59%
NW 17 km/h5 m/s10 mph (gusts 29818)
14h
Night
25°C78°F
Morning
32°C89°F
Afternoon
32°C89°F
Evening
30°C86°F
06:5113.7h20:32
FridayNW 14 km/h4 m/s8 mph(gusts 28817)53%14hFriday53%NW 14 km/h4 m/s8 mph (gusts 28817)14h
Friday
NW 14 km/h4 m/s8 mph(gusts 28817)53%14h
Friday
53%
NW 14 km/h4 m/s8 mph (gusts 28817)
14h
Night
26°C78°F
Morning
32°C90°F
Afternoon
32°C90°F
Evening
31°C88°F
06:5113.7h20:31
SaturdayN 11 km/h3 m/s7 mph(gusts 31819)57%13hSaturday57%N 11 km/h3 m/s7 mph (gusts 31819)13h
Saturday
N 11 km/h3 m/s7 mph(gusts 31819)57%13h
Saturday
57%
N 11 km/h3 m/s7 mph (gusts 31819)
13h
Night
26°C79°F
Morning
32°C89°F
Afternoon
32°C89°F
Evening
29°C85°F
06:5213.6h20:30
Sunday0.5 mm0.02 inNE 7 km/h2 m/s4 mph(gusts 18511)80%12hSunday80%NE 7 km/h2 m/s4 mph (gusts 18511)0.5 mm0.02 in12h
Sunday
0.5 mm0.02 inNE 7 km/h2 m/s4 mph(gusts 18511)80%12h
Sunday
80%
NE 7 km/h2 m/s4 mph (gusts 18511)
0.5 mm0.02 in
12h
06:5313.6h20:29
Sunrise
06:42
Civil Dawn 06:12
Sunset
20:42
Civil Dusk 21:12
Today vs. seasonal normal
-3.2°C-5.7°F
Grayson is located in Georgia, United States. Elevation: 334m. Annual average temperature: 15.7°C. Annual precipitation: 1329mm.
Frequently Asked Questions
What is the weather like in Grayson today?
Today in Grayson, United States, the temperature is 22°C with Overcast. The high is 28°C and the low is 21°C.
What is the 16-day forecast for Grayson?
The 16-day forecast for Grayson shows the warmest day is Tuesday at 37°C, while the coolest night is Monday at 20°C. 9 day(s) have precipitation expected.
What time is sunrise and sunset in Grayson?
In Grayson, sunrise is at 06:42 and sunset is at 20:42. Day length is approximately 13h 59m.
How accurate is the weather forecast for Grayson?
Our forecasts for Grayson use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Grayson has an annual average temperature of 15.7°C and receives 1329mm of precipitation per year.
Last updated: 07/25/2026, 01:00 AM
July climate in Grayson
Normals for July: average 26°C (20–31°C), around 118 mm of rain across the month. About 10°C warmer than the annual average of 15.7°C.
Nearby places right now
New Hope22°
Overcast
Lawrenceville22°
Overcast
Snellville23°
Overcast
Loganville22°
Drizzle
Murphyville22°
Overcast
Rosebud23°
Fog
Lenora23°
Fog
Five Forks22°
Overcast
Gloster22°
Fog
Dacula22°
Overcast
Sweet Water22°
Overcast
Harbin22°
Overcast
More places in Georgia
AtlantaAugustaColumbusMaconSavannahAthensSandy SpringsCumberlandSouth FultonRoswellJohns CreekAlbanyWarner RobinsAlpharetta
More places in Georgia 

