Grayson (Gwinnett County) — Weather
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22°C71°F· Fog · 100% cloud cover
Feels like 25°C77°F · Low 21°C70°F · High 28°C83°F
Wind
3 km/h1 m/s2 mph from N
Humidity
97%
Pressure
1019 hPa30.08 inHgstable
UV Index
0.0Low(night)
Storm — heat
It's 22°C72°F and fog 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)82%UV 10hToday82%NW 11 km/h3 m/s7 mph (gusts 27717)UV 10h
Today
NW 11 km/h3 m/s7 mph(gusts 27717)82%UV 10h
Today
82%
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 13 km/h4 m/s8 mph(gusts 29818)57%UV 210hTuesday57%W 13 km/h4 m/s8 mph (gusts 29818)UV 210h
Tuesday
W 13 km/h4 m/s8 mph(gusts 29818)57%UV 210h
Tuesday
57%
W 13 km/h4 m/s8 mph (gusts 29818)
UV 2
10h
Tuesday — Forecast Overview
06:4413.9h20:39
Wednesday6.4 mm0.25 in· heavyW 19 km/h5 m/s12 mph(gusts 481330)73%UV 28hWednesday73%W 19 km/h5 m/s12 mph (gusts 481330)6.4 mm0.25 inUV 28h
Wednesday
6.4 mm0.25 in· heavyW 19 km/h5 m/s12 mph(gusts 481330)73%UV 28h
Wednesday
73%
W 19 km/h5 m/s12 mph (gusts 481330)
6.4 mm0.25 in
UV 2
8h
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
Saturday7.8 mm0.31 in· heavyE 14 km/h4 m/s9 mph(gusts 27717)71%UV 29hSaturday71%E 14 km/h4 m/s9 mph (gusts 27717)7.8 mm0.31 inUV 29h
Saturday
7.8 mm0.31 in· heavyE 14 km/h4 m/s9 mph(gusts 27717)71%UV 29h
Saturday
71%
E 14 km/h4 m/s9 mph (gusts 27717)
7.8 mm0.31 in
UV 2
9h
Night
24°C75°F
Morning
28°C82°F
Afternoon
28°C82°F
Evening
21°C70°F
06:4713.8h20:36
Sunday7.8 mm0.31 in· heavyE 8 km/h2 m/s5 mph(gusts 17511)84%11hSunday84%E 8 km/h2 m/s5 mph (gusts 17511)7.8 mm0.31 in11h
Sunday
7.8 mm0.31 in· heavyE 8 km/h2 m/s5 mph(gusts 17511)84%11h
Sunday
84%
E 8 km/h2 m/s5 mph (gusts 17511)
7.8 mm0.31 in
11h
Night
21°C70°F
Morning
26°C78°F
Afternoon
26°C78°F
Evening
22°C72°F
06:4813.8h20:35
Monday4.1 mm0.16 inE 7 km/h2 m/s5 mph(gusts 16410)86%9hMonday86%E 7 km/h2 m/s5 mph (gusts 16410)4.1 mm0.16 in9h
Monday
4.1 mm0.16 inE 7 km/h2 m/s5 mph(gusts 16410)86%9h
Monday
86%
E 7 km/h2 m/s5 mph (gusts 16410)
4.1 mm0.16 in
9h
Night
21°C69°F
Morning
22°C72°F
Afternoon
22°C72°F
Evening
24°C75°F
06:4913.8h20:35
TuesdaySW 12 km/h3 m/s7 mph(gusts 28817)67%14hTuesday67%SW 12 km/h3 m/s7 mph (gusts 28817)14h
Tuesday
SW 12 km/h3 m/s7 mph(gusts 28817)67%14h
Tuesday
67%
SW 12 km/h3 m/s7 mph (gusts 28817)
14h
Night
20°C69°F
Morning
28°C83°F
Afternoon
28°C83°F
Evening
28°C82°F
06:4913.7h20:34
WednesdayW 11 km/h3 m/s7 mph(gusts 29818)62%14hWednesday62%W 11 km/h3 m/s7 mph (gusts 29818)14h
Wednesday
W 11 km/h3 m/s7 mph(gusts 29818)62%14h
Wednesday
62%
W 11 km/h3 m/s7 mph (gusts 29818)
14h
Night
25°C77°F
Morning
30°C87°F
Afternoon
30°C87°F
Evening
28°C83°F
06:5013.7h20:33
ThursdayNW 17 km/h5 m/s11 mph(gusts 351022)56%14hThursday56%NW 17 km/h5 m/s11 mph (gusts 351022)14h
Thursday
NW 17 km/h5 m/s11 mph(gusts 351022)56%14h
Thursday
56%
NW 17 km/h5 m/s11 mph (gusts 351022)
14h
Night
24°C76°F
Morning
29°C84°F
Afternoon
29°C84°F
Evening
27°C80°F
06:5113.7h20:32
FridayE 14 km/h4 m/s9 mph(gusts 381023)50%14hFriday50%E 14 km/h4 m/s9 mph (gusts 381023)14h
Friday
E 14 km/h4 m/s9 mph(gusts 381023)50%14h
Friday
50%
E 14 km/h4 m/s9 mph (gusts 381023)
14h
Night
19°C67°F
Morning
26°C79°F
Afternoon
26°C79°F
Evening
27°C81°F
06:5113.7h20:31
SaturdaySE 9 km/h3 m/s6 mph(gusts 29818)56%14hSaturday56%SE 9 km/h3 m/s6 mph (gusts 29818)14h
Saturday
SE 9 km/h3 m/s6 mph(gusts 29818)56%14h
Saturday
56%
SE 9 km/h3 m/s6 mph (gusts 29818)
14h
Night
22°C72°F
Morning
28°C83°F
Afternoon
28°C83°F
Evening
29°C84°F
06:5213.6h20:30
SundayW 16 km/h4 m/s10 mph50%11hSunday50%W 16 km/h4 m/s10 mph11h
Sunday
W 16 km/h4 m/s10 mph50%11h
Sunday
50%
W 16 km/h4 m/s10 mph
11h
Night
24°C75°F
Morning
28°C83°F
Afternoon
28°C83°F
Evening
27°C81°F
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 Fog. 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 38°C, while the coolest night is Friday at 18°C. 7 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, 04:00 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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