Johnson County, GA Weather Forecast
County weather hub
Chance Rain Showers
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. Mostly cloudy. Low around 66, with temperatures rising to around 70 overnight. Wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
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
- May 31 to Jun 6, 2026
- Latest sync
- May 31, 2026 7:32 AM EDT
- Forecast office
- FFC
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Saturday looks like the warmest upcoming period in Johnson County at 87 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Sunday at about 0 to 10 mph E.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 7:32 AM EDT
- Coverage
- 7 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
Rain showers likely before 2pm, then showers and thunderstorms. Mostly cloudy. High near 81, with temperatures falling to around 77 in the afternoon. East wind 0 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Partly sunny, with a high near 86. Northwest wind 0 to 5 mph.
A chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. West wind 0 to 5 mph. Chance of precipitation is 40%.
A chance of rain showers before 11am, then showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2am. Partly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunny, with a high near 79.
Clear, with a low around 55.
Sunny, with a high near 83.
Clear, with a low around 58.
Sunny, with a high near 85.
Mostly clear, with a low around 61.
Mostly sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 31
|
Chance Rain Showers
|
66°F |
0 mph
|
|
Sunday
May 31
|
Showers And Thunderstorms
|
81°F |
0 to 10 mph
E
|
|
Sunday Night
May 31
|
Showers And Thunderstorms
|
66°F |
0 to 5 mph
NE
|
|
Monday
Jun 1
|
Partly Sunny
|
86°F |
0 to 5 mph
NW
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms
|
66°F |
0 to 5 mph
W
|
|
Tuesday
Jun 2
|
Showers And Thunderstorms Likely
|
84°F |
0 to 5 mph
NE
|
|
Tuesday Night
Jun 2
|
Showers And Thunderstorms Likely
|
58°F |
5 to 10 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
79°F |
5 to 10 mph
NE
|
|
Wednesday Night
Jun 3
|
Clear
|
55°F |
0 to 5 mph
NE
|
|
Thursday
Jun 4
|
Sunny
|
83°F |
0 to 5 mph
NE
|
|
Thursday Night
Jun 4
|
Clear
|
58°F |
0 mph
|
|
Friday
Jun 5
|
Sunny
|
85°F |
0 mph
|
|
Friday Night
Jun 5
|
Mostly Clear
|
61°F |
0 mph
|
|
Saturday
Jun 6
|
Mostly Sunny
|
87°F |
0 mph
|
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.
