Gwinnett County, GA Weather Forecast
County weather hub
Sunny
Compare major city weather across Gwinnett County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 86. Northwest wind 0 to 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Gwinnett County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 12 of 12 mapped cities in Gwinnett County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 2:31 PM EDT
- Forecast office
- FFC
- Source
- NOAA / NWS
Daily Outlook
This Week in Gwinnett County
Wednesday looks like the warmest upcoming period in Gwinnett County at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Friday at about 0 to 15 mph W.
The forecast from Oct 13 through Oct 18 stays mostly dry.
Forecast Details
- Last updated
- Oct 12, 2026 2:31 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- FFC
- Radar station
- KFFC
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 61. Northwest wind around 0 mph.
Sunny, with a high near 87. West wind around 0 mph.
Clear, with a low around 62.
Sunny, with a high near 87.
Clear, with a low around 64.
Sunny, with a high near 85.
Mostly clear, with a low around 52.
Sunny, with a high near 69.
Mostly clear, with a low around 45.
Sunny, with a high near 66.
Mostly clear, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
86°F |
0 to 5 mph
NW
|
|
Tuesday Night
Oct 13
|
Clear
|
61°F |
0 mph
|
|
Wednesday
Oct 14
|
Sunny
|
87°F |
0 mph
|
|
Wednesday Night
Oct 14
|
Clear
|
62°F |
0 mph
|
|
Thursday
Oct 15
|
Sunny
|
87°F |
0 mph
|
|
Thursday Night
Oct 15
|
Clear
|
64°F |
0 mph
|
|
Friday
Oct 16
|
Sunny
|
85°F |
0 to 15 mph
W
|
|
Friday Night
Oct 16
|
Mostly Clear
|
52°F |
15 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
69°F |
15 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
45°F |
10 to 15 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
10 to 15 mph
E
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
46°F |
5 to 10 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Gwinnett County.
Coverage
Forecast coverage currently spans 12 of 12 mapped cities in Gwinnett County.
Largest mapped city population in this region: 44,294.
