Alpharetta, GA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Alpharetta, GA in one place.
Mostly sunny, with a high near 90. North wind 0 to 10 mph.
Local Weather Overview
This forecast page for Alpharetta, 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 23, 2026 7:22 PM EDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Alpharetta, GA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 7:22 PM EDT
- Forecast office
- FFC
- Source
- NOAA / NWS
Daily Outlook
This Week in Alpharetta
Wednesday looks like the warmest upcoming period in Alpharetta at 93 degrees F.
Monday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Monday at about 0 to 10 mph N.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 7:22 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
Partly cloudy, with a low around 65. North wind 0 to 10 mph.
Sunny, with a high near 92. Northeast wind 0 to 5 mph.
Mostly clear, with a low around 69.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms after 2pm. 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 69. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny
|
90°F |
0 to 10 mph
N
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
65°F |
0 to 10 mph
N
|
|
Tuesday
Aug 25
|
Sunny
|
92°F |
0 to 5 mph
NE
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
69°F |
0 to 5 mph
N
|
|
Wednesday
Aug 26
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
0 to 5 mph
SE
|
|
Wednesday Night
Aug 26
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
71°F |
0 to 5 mph
SE
|
|
Thursday
Aug 27
|
Showers And Thunderstorms Likely
|
89°F |
0 to 5 mph
S
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
70°F |
0 to 5 mph
W
|
|
Friday
Aug 28
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
W
|
|
Friday Night
Aug 28
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
69°F |
0 to 5 mph
NW
|
|
Saturday
Aug 29
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
NW
|
|
Saturday Night
Aug 29
|
Slight Chance Showers And Thunderstorms
|
70°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alpharetta.