Gwinnett County, GA Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Gwinnett County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms. Cloudy, with a low around 66. Southeast wind around 0 mph. Chance of precipitation is 40%.
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
- May 26 to Jun 1, 2026
- Latest sync
- May 26, 2026 5:15 AM EDT
- Forecast office
- FFC
- Source
- NOAA / NWS
Daily Outlook
This Week in Gwinnett County
Thursday looks like the warmest upcoming period in Gwinnett County at 85 degrees F.
Sunday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph S.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- May 26, 2026 5:15 AM EDT
- Coverage
- 7 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
A chance of rain showers before 11am, then showers and thunderstorms between 11am and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 10am, then showers and thunderstorms likely. Mostly cloudy, with a high near 83. South wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly cloudy, with a low around 66. Southwest wind 0 to 5 mph. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 80%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 26
|
Chance Showers And Thunderstorms
|
66°F |
0 mph
|
|
Tuesday
May 26
|
Showers And Thunderstorms
|
81°F |
5 to 10 mph
S
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
66°F |
0 to 5 mph
S
|
|
Wednesday
May 27
|
Showers And Thunderstorms Likely
|
83°F |
0 to 5 mph
S
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms Likely
|
66°F |
0 to 5 mph
SW
|
|
Thursday
May 28
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
W
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms
|
66°F |
0 to 5 mph
N
|
|
Friday
May 29
|
Showers And Thunderstorms Likely
|
80°F |
5 mph
E
|
|
Friday Night
May 29
|
Showers And Thunderstorms
|
64°F |
0 to 5 mph
E
|
|
Saturday
May 30
|
Showers And Thunderstorms
|
76°F |
0 to 5 mph
E
|
|
Saturday Night
May 30
|
Showers And Thunderstorms
|
61°F |
5 mph
E
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
76°F |
10 mph
E
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
58°F |
5 to 10 mph
E
|
|
Monday
Jun 1
|
Chance Rain Showers
|
77°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.