Gwinnett County, GA Weather Forecast

County weather hub

66°
F

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.

Tuesday, May 26, 2026
Wind: 0 mph
Overnight

A chance of showers and thunderstorms. Cloudy, with a low around 66. Southeast wind around 0 mph. Chance of precipitation is 40%.

County weather hub

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
Next High
81°F
Tuesday
Next Low
66°F
Overnight
Rain Outlook
14
Periods mentioning precipitation
Windiest
5 to 10 mph
Tuesday

Daily Outlook

Today
May 26
Showers And Thunderstorms
81 °F
/ 66°F
Wind 5 to 10 mph
Wed
May 27
Showers And Thunderstorms Likely
83 °F
/ 66°F
Wind 0 to 5 mph
Thu
May 28
Chance Rain Showers then Chance Showers And Thunderstorms
85 °F
/ 66°F
Wind 0 to 5 mph
Fri
May 29
Showers And Thunderstorms Likely
80 °F
/ 64°F
Wind 5 mph
Sat
May 30
Showers And Thunderstorms
76 °F
/ 61°F
Wind 0 to 5 mph
Sun
May 31
Chance Showers And Thunderstorms
76 °F
/ 58°F
Wind 10 mph
Mon
Jun 1
Chance Rain Showers
77 °F
Wind 5 to 10 mph

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 source

Extended Forecast

Tuesday
May 26
81°F
Showers And Thunderstorms
5 to 10 mph S

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.

Tuesday Night
May 26
66°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
0 to 5 mph S

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.

Wednesday
May 27
83°F
Showers And Thunderstorms Likely
0 to 5 mph S

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%.

Wednesday Night
May 27
66°F
Showers And Thunderstorms Likely
0 to 5 mph SW

Showers and thunderstorms likely. Partly cloudy, with a low around 66. Southwest wind 0 to 5 mph. Chance of precipitation is 70%.

Thursday
May 28
85°F
Chance Rain Showers then Chance Showers And Thunderstorms
0 to 5 mph W

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%.

Thursday Night
May 28
66°F
Chance Showers And Thunderstorms
0 to 5 mph N

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Friday
May 29
80°F
Showers And Thunderstorms Likely
5 mph E

A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

Friday Night
May 29
64°F
Showers And Thunderstorms
0 to 5 mph E

Showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 80%.

Saturday
May 30
76°F
Showers And Thunderstorms
0 to 5 mph E

Showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 80%.

Saturday Night
May 30
61°F
Showers And Thunderstorms
5 mph E

Showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 80%.

Sunday
May 31
76°F
Chance Showers And Thunderstorms
10 mph E

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%.

Sunday Night
May 31
58°F
Chance Showers And Thunderstorms
5 to 10 mph E

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%.

Monday
Jun 1
77°F
Chance Rain Showers
5 to 10 mph E

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
Gwinnett County Courthouse GA
Gwinnett County Courthouse GA image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.