Alpharetta, GA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Alpharetta, GA in one place.
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
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: Jul 12, 2026 2:58 AM EDT.
The active forecast window currently covers Jul 12 to Jul 18, 2026 for Alpharetta, GA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 12 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 2:58 AM EDT
- Forecast office
- FFC
- Source
- NOAA / NWS
Daily Outlook
This Week in Alpharetta
Thursday looks like the warmest upcoming period in Alpharetta at 91 degrees F.
Monday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Sunday at about 5 to 10 mph W.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 2:58 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 sourceExtended Forecast
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny. High near 88, with temperatures falling to around 84 in the afternoon. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely between 8pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and thunderstorms likely between 1am and 4am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 11am, then showers and thunderstorms likely between 11am and 4pm, then showers and thunderstorms between 4pm and 5pm, then showers and thunderstorms. Mostly cloudy, with a high near 84. South wind 0 to 5 mph. Chance of precipitation is 80%.
Showers and thunderstorms before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 69. East wind around 5 mph. Chance of precipitation is 80%.
Rain showers likely before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 80%.
Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 80%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Sunny, with a high near 91.
Mostly clear, with a low around 73.
A slight chance of showers and thunderstorms after 2pm. 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 73. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 12
|
Chance Showers And Thunderstorms
|
72°F |
0 to 5 mph
SW
|
|
Sunday
Jul 12
|
Chance Rain Showers then Showers And Thunderstorms Likely
|
88°F |
5 to 10 mph
W
|
|
Sunday Night
Jul 12
|
Showers And Thunderstorms Likely
|
70°F |
0 to 5 mph
SW
|
|
Monday
Jul 13
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
84°F |
0 to 5 mph
S
|
|
Monday Night
Jul 13
|
Showers And Thunderstorms
|
69°F |
5 mph
E
|
|
Tuesday
Jul 14
|
Showers And Thunderstorms
|
85°F |
5 to 10 mph
E
|
|
Tuesday Night
Jul 14
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
70°F |
0 to 5 mph
E
|
|
Wednesday
Jul 15
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
0 to 5 mph
SW
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
0 to 5 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
91°F |
5 to 10 mph
NW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
73°F |
5 mph
NW
|
|
Friday
Jul 17
|
Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
NW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
0 to 5 mph
NW
|
|
Saturday
Jul 18
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alpharetta.