Grayson (Gwinnett County) — Weather
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Sign InLive· Clear within 100 kmJust updated
22°C72°F· Fog · 100% cloud cover
Feels like 27°C80°F · Low 22°C72°F · High 28°C83°F
Wind
2 km/h1 m/s1 mph from W
Humidity
97%
Pressure
1019 hPa30.09 inHgstable
UV Index
0.0Low
Unsettled — heat
It's 22°C72°F and fog in Grayson at the moment.
🌧️ Rain expected from 13:00.
🌧️ Local instability on Saturday, with rain. Total ~1.3 mm. Below the monthly normal (118 mm/month).
🌡️ Expect 28°C82°F — 2.5°C41°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
21
97
09:00
24°C75°F
74
93
10:00
25°C77°F
85
90
11:00
26°C79°F
106
85
12:00
27°C80°F
0.20.01
106
81
13:00
27°C80°F
0.30.01
106
82
14:00
27°C81°F
0.80.03
96
78
15:00
27°C81°F
95
75
16:00
28°C82°F
96
71
17:00
28°C83°F
106
69
18:00
28°C82°F
117
70
19:00
27°C81°F
106
73
20:00
27°C80°F
85
78
21:00
25°C78°F
74
85
22:00
25°C76°F
64
90
23:00
24°C76°F
74
93
00:00
24°C75°F
74
95
01:00
24°C75°F
74
96
02:00
24°C74°F
75
96
03:00
24°C74°F
85
96
04:00
23°C74°F
95
96
05:00
24°C74°F
95
95
06:00
23°C74°F
85
95
07:00
23°C74°F
85
95
08:00
24°C75°F
106
94
09:00
25°C76°F
117
89
10:00
26°C79°F
117
83
11:00
27°C80°F
0.20.01
117
80
12:00
27°C81°F
0.20.01
96
77
13:00
29°C84°F
85
73
14:00
30°C85°F
74
68
15:00
31°C87°F
64
62
16:00
32°C89°F
64
57
17:00
32°C89°F
64
54
18:00
32°C89°F
53
53
19:00
31°C89°F
43
54
20:00
30°C86°F
42
64
21:00
28°C83°F
42
70
22:00
27°C81°F
32
74
23:00
26°C80°F
32
77
00:00
26°C79°F
42
78
03:00
24°C75°F
43
84
06:00
23°C73°F
43
88
09:00
25°C77°F
42
90
12:00
29°C85°F
53
69
15:00
32°C90°F
21
51
18:00
32°C90°F
43
47
mminkm/hm/smphHumidity %
Daily Forecast
Today1.3 mm0.05 inW 11 km/h3 m/s7 mph(gusts 32920)82%UV 10hTodayLight rain82%W 11 km/h3 m/s7 mph (gusts 32920)1.3 mm0.05 inUV 10h
Today
1.3 mm0.05 inW 11 km/h3 m/s7 mph(gusts 32920)82%UV 10h
Today
Light rain
82%
W 11 km/h3 m/s7 mph (gusts 32920)
1.3 mm0.05 in
UV 1
0h
Today — Hourly Forecast
Now
22°C72°F
211
09:00
24°C75°F
724
10:00
25°C77°F
825
11:00
26°C79°F
1036
12:00
27°C80°F
1036
13:00
27°C80°F
1036
14:00
27°C81°F
936
15:00
27°C81°F
925
16:00
28°C82°F
936
17:00
28°C83°F
1036
18:00
28°C82°F
1137
19:00
27°C81°F
1036
20:00
27°C80°F
825
21:00
25°C78°F
724
22:00
25°C76°F
624
23:00
24°C76°F
724
06:4214h20:42
Tomorrow0.5 mm0.02 inNW 11 km/h3 m/s7 mph(gusts 29818)79%UV 23hTomorrowLight rain79%NW 11 km/h3 m/s7 mph (gusts 29818)0.5 mm0.02 inUV 23h
Tomorrow
0.5 mm0.02 inNW 11 km/h3 m/s7 mph(gusts 29818)79%UV 23h
Tomorrow
Light rain
79%
NW 11 km/h3 m/s7 mph (gusts 29818)
0.5 mm0.02 in
UV 2
3h
Tomorrow — Hourly Forecast
00:00
24°C75°F
724
01:00
24°C75°F
724
02:00
24°C74°F
725
03:00
24°C74°F
825
04:00
23°C74°F
925
05:00
24°C74°F
925
06:00
23°C74°F
825
07:00
23°C74°F
825
08:00
24°C75°F
1036
09:00
25°C76°F
1137
10:00
26°C79°F
1137
11:00
27°C80°F
1137
12:00
27°C81°F
936
13:00
29°C84°F
825
14:00
30°C85°F
724
15:00
31°C87°F
624
16:00
32°C89°F
624
17:00
32°C89°F
624
18:00
32°C89°F
513
19:00
31°C89°F
413
20:00
30°C86°F
412
21:00
28°C83°F
412
22:00
27°C81°F
312
23:00
26°C80°F
312
06:4314h20:41
MondayN 6 km/h2 m/s4 mph(gusts 16410)72%UV 26hMondayOvercast72%N 6 km/h2 m/s4 mph (gusts 16410)UV 26h
Monday
N 6 km/h2 m/s4 mph(gusts 16410)72%UV 26h
Monday
Overcast
72%
N 6 km/h2 m/s4 mph (gusts 16410)
UV 2
6h
Monday — Forecast Overview
00:00
26°C79°F
412
03:00
24°C75°F
413
06:00
23°C73°F
413
09:00
25°C77°F
412
12:00
29°C85°F
513
15:00
32°C90°F
211
18:00
32°C90°F
413
21:00
29°C85°F
211
06:4413.9h20:40
TuesdayW 15 km/h4 m/s9 mph(gusts 32920)58%UV 29hTuesdayDrizzle58%W 15 km/h4 m/s9 mph (gusts 32920)UV 29h
Tuesday
W 15 km/h4 m/s9 mph(gusts 32920)58%UV 29h
Tuesday
Drizzle
58%
W 15 km/h4 m/s9 mph (gusts 32920)
UV 2
9h
Tuesday — Forecast Overview
00:00
27°C80°F
312
03:00
25°C78°F
412
06:00
24°C76°F
413
09:00
27°C80°F
312
12:00
33°C92°F
724
15:00
36°C98°F
1348
18:00
35°C96°F
1549
21:00
31°C87°F
936
06:4413.9h20:39
Wednesday5.3 mm0.21 in· heavyW 21 km/h6 m/s13 mph(gusts 401125)68%UV 210hWednesdayThunderstorm68%W 21 km/h6 m/s13 mph (gusts 401125)5.3 mm0.21 inUV 210h
Wednesday
5.3 mm0.21 in· heavyW 21 km/h6 m/s13 mph(gusts 401125)68%UV 210h
Wednesday
Thunderstorm
68%
W 21 km/h6 m/s13 mph (gusts 401125)
5.3 mm0.21 in
UV 2
10h
Wednesday — Forecast Overview
00:00
29°C84°F
724
03:00
26°C79°F
936
06:00
25°C77°F
936
09:00
28°C82°F
1549
12:00
30°C85°F
1449
15:00
37°C98°F
20512
18:00
30°C85°F
21613
21:00
22°C72°F
1348
06:4513.9h20:39
ThursdayNW 12 km/h3 m/s7 mph(gusts 29818)68%UV 211hThursdayDrizzle68%NW 12 km/h3 m/s7 mph (gusts 29818)UV 211h
Thursday
NW 12 km/h3 m/s7 mph(gusts 29818)68%UV 211h
Thursday
Drizzle
68%
NW 12 km/h3 m/s7 mph (gusts 29818)
UV 2
11h
Night24°C74°F
24°C74°FMorning24°C74°F
24°C74°FAfternoon30°C86°F
30°C86°FEvening25°C76°F
25°C76°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
Saturday0.7 mm0.03 inW 16 km/h4 m/s10 mph(gusts 361022)65%UV 27hSaturdayDrizzle65%W 16 km/h4 m/s10 mph (gusts 361022)0.7 mm0.03 inUV 27h
Saturday
0.7 mm0.03 inW 16 km/h4 m/s10 mph(gusts 361022)65%UV 27h
Saturday
Drizzle
65%
W 16 km/h4 m/s10 mph (gusts 361022)
0.7 mm0.03 in
UV 2
7h
Night24°C75°F
24°C75°FMorning30°C85°F
30°C85°FAfternoon30°C85°F
30°C85°FEvening27°C81°F
27°C81°F06:4713.8h20:36
Extended Forecast (GFS)Sunday5.8 mm0.23 in· heavySW 12 km/h3 m/s8 mph(gusts 381023)84%11hSundayRain84%SW 12 km/h3 m/s8 mph (gusts 381023)5.8 mm0.23 in11h
Sunday
5.8 mm0.23 in· heavySW 12 km/h3 m/s8 mph(gusts 381023)84%11h
Sunday
Rain
84%
SW 12 km/h3 m/s8 mph (gusts 381023)
5.8 mm0.23 in
11h
Night22°C71°F
22°C71°FMorning24°C76°F
24°C76°FAfternoon24°C76°F
24°C76°FEvening27°C80°F
27°C80°F06:4813.8h20:35
MondayW 8 km/h2 m/s5 mph(gusts 1348)69%14hMondayDrizzle69%W 8 km/h2 m/s5 mph (gusts 1348)14h
Monday
W 8 km/h2 m/s5 mph(gusts 1348)69%14h
Monday
Drizzle
69%
W 8 km/h2 m/s5 mph (gusts 1348)
14h
Night22°C72°F
22°C72°FMorning28°C82°F
28°C82°FAfternoon28°C82°F
28°C82°FEvening27°C81°F
27°C81°F06:4913.8h20:35
TuesdayNW 12 km/h3 m/s8 mph(gusts 24715)64%14hTuesdayDrizzle64%NW 12 km/h3 m/s8 mph (gusts 24715)14h
Tuesday
NW 12 km/h3 m/s8 mph(gusts 24715)64%14h
Tuesday
Drizzle
64%
NW 12 km/h3 m/s8 mph (gusts 24715)
14h
Night23°C74°F
23°C74°FMorning29°C85°F
29°C85°FAfternoon29°C85°F
29°C85°FEvening29°C83°F
29°C83°F06:4913.7h20:34
WednesdayNW 10 km/h3 m/s6 mph(gusts 18511)57%14hWednesdayClear57%NW 10 km/h3 m/s6 mph (gusts 18511)14h
Wednesday
NW 10 km/h3 m/s6 mph(gusts 18511)57%14h
Wednesday
Clear
57%
NW 10 km/h3 m/s6 mph (gusts 18511)
14h
Night25°C77°F
25°C77°FMorning31°C88°F
31°C88°FAfternoon31°C88°F
31°C88°FEvening31°C88°F
31°C88°F06:5013.7h20:33
ThursdayNW 15 km/h4 m/s9 mph(gusts 24715)47%14hThursdayClear47%NW 15 km/h4 m/s9 mph (gusts 24715)14h
Thursday
NW 15 km/h4 m/s9 mph(gusts 24715)47%14h
Thursday
Clear
47%
NW 15 km/h4 m/s9 mph (gusts 24715)
14h
Night26°C79°F
26°C79°FMorning33°C91°F
33°C91°FAfternoon33°C91°F
33°C91°FEvening32°C90°F
32°C90°F06:5113.7h20:32
Friday0.7 mm0.03 inN 18 km/h5 m/s11 mph53%14hFridayClear53%N 18 km/h5 m/s11 mph0.7 mm0.03 in14h
Friday
0.7 mm0.03 inN 18 km/h5 m/s11 mph53%14h
Friday
Clear
53%
N 18 km/h5 m/s11 mph
0.7 mm0.03 in
14h
Night27°C80°F
27°C80°FMorning31°C89°F
31°C89°FAfternoon31°C89°F
31°C89°FEvening30°C87°F
30°C87°F06:5113.7h20:31
SaturdayNW 12 km/h3 m/s8 mph61%14hSaturdayClear61%NW 12 km/h3 m/s8 mph14h
Saturday
NW 12 km/h3 m/s8 mph61%14h
Saturday
Clear
61%
NW 12 km/h3 m/s8 mph
14h
Night24°C75°F
24°C75°FMorning31°C87°F
31°C87°FAfternoon31°C87°F
31°C87°FEvening30°C87°F
30°C87°F06:5213.6h20:30
SundayNW 16 km/h4 m/s10 mph56%12hSundayDrizzle56%NW 16 km/h4 m/s10 mph12h
Sunday
NW 16 km/h4 m/s10 mph56%12h
Sunday
Drizzle
56%
NW 16 km/h4 m/s10 mph
12h
Night26°C79°F
26°C79°FMorning28°C83°F
28°C83°FAfternoon28°C83°F
28°C83°FEvening27°C81°F
27°C81°F06:5313.6h20:29
Sunrise
06:42
Civil Dawn 06:12
Sunset
20:42
Civil Dusk 21:12
Today vs. seasonal normal
-3.4°C-6.1°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 Fog. The high is 28°C and the low is 22°C.
What is the 16-day forecast for Grayson?
The 16-day forecast for Grayson shows the warmest day is Thursday at 37°C, while the coolest night is Monday at 21°C. 11 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, 08:00 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.
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