Decatur, GA Weather Forecast
Local 7-day forecast
Patchy Fog then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Decatur, GA in one place.
Patchy fog before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. East wind around 5 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Decatur, GA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 9:43 PM EDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Decatur, GA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 9:43 PM EDT
- Forecast office
- FFC
- Source
- NOAA / NWS
Daily Outlook
This Week in Decatur
Wednesday looks like the warmest upcoming period in Decatur at 94 degrees F.
Saturday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Saturday at about 5 mph E.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 9:43 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
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. East wind around 5 mph. Chance of precipitation is 30%.
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Chance of precipitation is 20%.
Sunny, with a high near 93.
Mostly clear, with a low around 74.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 2am. Mostly clear, with a low around 74. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Patchy Fog then Chance Showers And Thunderstorms
|
89°F |
5 mph
E
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
71°F |
5 mph
E
|
|
Sunday
Aug 30
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
90°F |
5 mph
E
|
|
Sunday Night
Aug 30
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
0 to 5 mph
SE
|
|
Monday
Aug 31
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
SE
|
|
Monday Night
Aug 31
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
0 to 5 mph
S
|
|
Tuesday
Sep 1
|
Sunny
|
93°F |
0 to 5 mph
NW
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
74°F |
0 to 5 mph
SW
|
|
Wednesday
Sep 2
|
Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
0 to 5 mph
NW
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
74°F |
0 to 5 mph
W
|
|
Thursday
Sep 3
|
Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
0 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Decatur.
