Johnson County, GA Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Johnson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 60%.
County Weather Overview
This county weather page brings together forecast coverage for Johnson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Johnson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 24 to Jul 26, 2026
- Latest sync
- Jul 20, 2026 4:23 PM EDT
- Forecast office
- FFC
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Friday looks like the warmest upcoming period in Johnson County at 91 degrees F.
Saturday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Friday at about 0 to 5 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 20, 2026 4:23 PM EDT
- Coverage
- 3 days
- Time zone
- America/New_York
- Forecast office
- FFC
- Radar station
- KJGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
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 89. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
W
|
|
Friday Night
Jul 24
|
Showers And Thunderstorms Likely
|
73°F |
0 mph
|
|
Saturday
Jul 25
|
Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
W
|
|
Saturday Night
Jul 25
|
Showers And Thunderstorms Likely
|
72°F |
0 mph
|
|
Sunday
Jul 26
|
Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 26
|
Chance Showers And Thunderstorms
|
72°F |
0 to 5 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Johnson County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Johnson County.
Largest mapped city population in this region: 3,606.
