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
Now
22°C72°F
63
97
02:00
22°C71°F
53
97
03:00
22°C71°F
42
97
04:00
22°C71°F
32
97
05:00
22°C71°F
0.30.01
32
97
06:00
22°C71°F
11
98
07:00
21°C70°F
32
98
08:00
22°C72°F
32
97
09:00
23°C74°F
74
93
10:00
25°C77°F
85
89
11:00
26°C79°F
96
83
12:00
27°C80°F
106
79
13:00
27°C81°F
106
74
14:00
27°C81°F
106
72
15:00
28°C83°F
106
68
16:00
28°C83°F
117
65
17:00
28°C82°F
106
67
18:00
27°C81°F
106
69
19:00
27°C81°F
106
71
20:00
26°C79°F
85
74
21:00
25°C77°F
64
80
22:00
25°C76°F
53
84
23:00
24°C76°F
53
87
00:00
24°C75°F
64
90
01:00
24°C74°F
64
92
02:00
23°C74°F
64
93
03:00
23°C74°F
0.10.00
74
94
04:00
23°C74°F
0.50.02
85
95
05:00
23°C74°F
0.80.03
85
95
06:00
23°C73°F
0.30.01
85
96
07:00
23°C73°F
85
96
08:00
23°C74°F
106
94
09:00
24°C76°F
106
90
10:00
26°C78°F
106
83
11:00
27°C80°F
117
77
12:00
28°C82°F
107
73
13:00
29°C85°F
95
64
14:00
31°C87°F
96
58
15:00
31°C88°F
85
54
16:00
32°C90°F
85
51
17:00
32°C90°F
85
50
18:00
32°C90°F
85
49
19:00
32°C89°F
74
51
20:00
30°C86°F
42
61
21:00
29°C83°F
32
68
22:00
28°C82°F
21
73
23:00
27°C80°F
21
76
00:00
26°C79°F
32
80
03:00
25°C76°F
11
86
06:00
23°C73°F
32
94
09:00
25°C78°F
21
88
12:00
30°C85°F
32
67
mminkm/hm/smphHumidity %
Daily Forecast
TodayNW 11 km/h3 m/s7 mph(gusts 27717)84%UV 10hTodayLight rain84%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
Light rain
84%
NW 11 km/h3 m/s7 mph (gusts 27717)
UV 1
0h
Today — Hourly Forecast
Now
22°C72°F
623
02:00
22°C71°F
513
03:00
22°C71°F
412
04:00
22°C71°F
312
05:00
22°C71°F
312
06:00
22°C71°F
101
07:00
21°C70°F
312
08:00
22°C72°F
312
09:00
23°C74°F
724
10:00
25°C77°F
825
11:00
26°C79°F
926
12:00
27°C80°F
1036
13:00
27°C81°F
1036
14:00
27°C81°F
1036
15:00
28°C83°F
1036
16:00
28°C83°F
1137
17:00
28°C82°F
1036
18:00
27°C81°F
1036
19:00
27°C81°F
1036
20:00
26°C79°F
825
21:00
25°C77°F
624
22:00
25°C76°F
513
23:00
24°C76°F
513
06:4214h20:42
Tomorrow1.9 mm0.07 inNW 11 km/h3 m/s7 mph(gusts 29818)76%UV 23hTomorrowLight rain76%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
Light rain
76%
NW 11 km/h3 m/s7 mph (gusts 29818)
1.9 mm0.07 in
UV 2
3h
Tomorrow — Hourly Forecast
00:00
24°C75°F
624
01:00
24°C74°F
624
02:00
23°C74°F
624
03:00
23°C74°F
724
04:00
23°C74°F
825
05:00
23°C74°F
825
06:00
23°C73°F
825
07:00
23°C73°F
825
08:00
23°C74°F
1036
09:00
24°C76°F
1036
10:00
26°C78°F
1036
11:00
27°C80°F
1137
12:00
28°C82°F
1037
13:00
29°C85°F
925
14:00
31°C87°F
936
15:00
31°C88°F
825
16:00
32°C90°F
825
17:00
32°C90°F
825
18:00
32°C90°F
825
19:00
32°C89°F
724
20:00
30°C86°F
412
21:00
29°C83°F
312
22:00
28°C82°F
211
23:00
27°C80°F
211
06:4314h20:41
MondayNE 6 km/h2 m/s4 mph(gusts 16410)72%UV 23hMondayOvercast72%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
Overcast
72%
NE 6 km/h2 m/s4 mph (gusts 16410)
UV 2
3h
Monday — Forecast Overview
00:00
26°C79°F
312
03:00
25°C76°F
101
06:00
23°C73°F
312
09:00
25°C78°F
211
12:00
30°C85°F
312
15:00
33°C91°F
624
18:00
33°C91°F
413
21:00
29°C85°F
312
06:4413.9h20:40
TuesdayW 16 km/h4 m/s10 mph(gusts 33921)59%UV 210hTuesdayOvercast59%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
Overcast
59%
W 16 km/h4 m/s10 mph (gusts 33921)
UV 2
10h
Tuesday — Forecast Overview
00:00
27°C81°F
312
03:00
24°C74°F
513
06:00
22°C72°F
523
09:00
27°C80°F
312
12:00
32°C90°F
936
15:00
36°C97°F
1348
18:00
36°C97°F
16410
21:00
31°C89°F
1348
06:4413.9h20:39
Wednesday0.7 mm0.03 inW 20 km/h6 m/s12 mph(gusts 371023)70%UV 27hWednesdayLight rain70%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
Light rain
70%
W 20 km/h6 m/s12 mph (gusts 371023)
0.7 mm0.03 in
UV 2
7h
Wednesday — Forecast Overview
00:00
29°C84°F
1036
03:00
27°C80°F
936
06:00
26°C78°F
1137
09:00
28°C83°F
16410
12:00
34°C93°F
20612
20:00
29°C85°F
936
06:4513.9h20:39
ThursdayNW 12 km/h3 m/s7 mph(gusts 29818)65%UV 211hThursdayOvercast65%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
Overcast
65%
NW 12 km/h3 m/s7 mph (gusts 29818)
UV 2
11h
Night25°C78°F
25°C78°FMorning27°C80°F
27°C80°FAfternoon27°C80°F
27°C80°FEvening29°C84°F
29°C84°F06:4613.9h20:38
FridayN 5 km/h1 m/s3 mph(gusts 1449)65%UV 29hFridayClear65%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
Clear
65%
N 5 km/h1 m/s3 mph (gusts 1449)
UV 2
9h
Night23°C73°F
23°C73°FMorning27°C80°F
27°C80°FAfternoon27°C80°F
27°C80°FEvening29°C84°F
29°C84°F06:4613.8h20:37
SaturdayE 11 km/h3 m/s7 mph(gusts 20612)66%UV 210hSaturdayDrizzle66%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
Drizzle
66%
E 11 km/h3 m/s7 mph (gusts 20612)
UV 2
10h
Night
24°C75°F
24°C75°FMorning26°C80°F
26°C80°FAfternoon26°C80°F
26°C80°FEvening27°C80°F
27°C80°F06:4713.8h20:36
Extended Forecast (GFS)Sunday10.0 mm0.40 in· heavySE 11 km/h3 m/s7 mph(gusts 33920)87%7hSundayRain87%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
Rain
87%
SE 11 km/h3 m/s7 mph (gusts 33920)
10.0 mm0.40 in
7h
Night24°C75°F
24°C75°FMorning24°C75°F
24°C75°FAfternoon24°C75°F
24°C75°FEvening23°C73°F
23°C73°F06:4813.8h20:35
Monday4.9 mm0.19 inSW 10 km/h3 m/s6 mph(gusts 19512)91%12hMondayLight rain91%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
Light rain
91%
SW 10 km/h3 m/s6 mph (gusts 19512)
4.9 mm0.19 in
12h
Night21°C69°F
21°C69°FMorning23°C73°F
23°C73°FAfternoon23°C73°F
23°C73°FEvening24°C76°F
24°C76°F06:4913.8h20:35
TuesdayW 10 km/h3 m/s6 mph(gusts 18511)74%14hTuesdayClear74%W 10 km/h3 m/s6 mph (gusts 18511)14h
Tuesday
W 10 km/h3 m/s6 mph(gusts 18511)74%14h
Tuesday
Clear
74%
W 10 km/h3 m/s6 mph (gusts 18511)
14h
Night22°C71°F
22°C71°FMorning28°C82°F
28°C82°FAfternoon28°C82°F
28°C82°FEvening28°C82°F
28°C82°F06:4913.7h20:34
WednesdayNW 16 km/h4 m/s10 mph(gusts 27817)60%14hWednesdayDrizzle60%NW 16 km/h4 m/s10 mph (gusts 27817)14h
Wednesday
NW 16 km/h4 m/s10 mph(gusts 27817)60%14h
Wednesday
Drizzle
60%
NW 16 km/h4 m/s10 mph (gusts 27817)
14h
Night24°C75°F
24°C75°FMorning31°C87°F
31°C87°FAfternoon31°C87°F
31°C87°FEvening29°C84°F
29°C84°F06:5013.7h20:33
ThursdayNW 17 km/h5 m/s10 mph(gusts 29818)59%14hThursdayLight rain59%NW 17 km/h5 m/s10 mph (gusts 29818)14h
Thursday
NW 17 km/h5 m/s10 mph(gusts 29818)59%14h
Thursday
Light rain
59%
NW 17 km/h5 m/s10 mph (gusts 29818)
14h
Night25°C78°F
25°C78°FMorning32°C89°F
32°C89°FAfternoon32°C89°F
32°C89°FEvening30°C86°F
30°C86°F06:5113.7h20:32
FridayNW 14 km/h4 m/s8 mph(gusts 28817)53%14hFridayClear53%NW 14 km/h4 m/s8 mph (gusts 28817)14h
Friday
NW 14 km/h4 m/s8 mph(gusts 28817)53%14h
Friday
Clear
53%
NW 14 km/h4 m/s8 mph (gusts 28817)
14h
Night26°C78°F
26°C78°FMorning32°C90°F
32°C90°FAfternoon32°C90°F
32°C90°FEvening31°C88°F
31°C88°F06:5113.7h20:31
SaturdayN 11 km/h3 m/s7 mph(gusts 31819)57%13hSaturdayClear57%N 11 km/h3 m/s7 mph (gusts 31819)13h
Saturday
N 11 km/h3 m/s7 mph(gusts 31819)57%13h
Saturday
Clear
57%
N 11 km/h3 m/s7 mph (gusts 31819)
13h
Night26°C79°F
26°C79°FMorning32°C89°F
32°C89°FAfternoon32°C89°F
32°C89°FEvening29°C85°F
29°C85°F06:5213.6h20:30
Sunday0.5 mm0.02 inNE 7 km/h2 m/s4 mph(gusts 18511)80%12hSundayDrizzle80%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
Drizzle
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