Alpharetta, GA Weather Forecast

Local 7-day forecast

72°
F

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Alpharetta, GA in one place.

Sunday, July 12, 2026
Wind: 0 to 5 mph SW
Overnight

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 7-day forecast

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
Next High
88°F
Sunday
Next Low
72°F
Overnight
Rain Outlook
12
Periods mentioning precipitation
Windiest
5 to 10 mph
Sunday

Daily Outlook

Today
Jul 12
Chance Rain Showers then Showers And Thunderstorms Likely
88 °F
/ 72°F
Wind 5 to 10 mph
Mon
Jul 13
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
84 °F
/ 69°F
Wind 0 to 5 mph
Tue
Jul 14
Showers And Thunderstorms
85 °F
/ 70°F
Wind 5 to 10 mph
Wed
Jul 15
Mostly Sunny then Chance Showers And Thunderstorms
88 °F
/ 72°F
Wind 0 to 5 mph
Thu
Jul 16
Sunny
91 °F
/ 73°F
Wind 5 to 10 mph
Fri
Jul 17
Sunny then Slight Chance Showers And Thunderstorms
90 °F
/ 73°F
Wind 5 to 10 mph
Sat
Jul 18
Mostly Sunny then Slight Chance Showers And Thunderstorms
91 °F
Wind 5 mph

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 source

Extended Forecast

Sunday
Jul 12
88°F
Chance Rain Showers then Showers And Thunderstorms Likely
5 to 10 mph W

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.

Sunday Night
Jul 12
70°F
Showers And Thunderstorms Likely
0 to 5 mph SW

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.

Monday
Jul 13
84°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
0 to 5 mph S

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%.

Monday Night
Jul 13
69°F
Showers And Thunderstorms
5 mph E

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%.

Tuesday
Jul 14
85°F
Showers And Thunderstorms
5 to 10 mph E

Rain showers likely before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 80%.

Tuesday Night
Jul 14
70°F
Showers And Thunderstorms then Chance Showers And Thunderstorms
0 to 5 mph E

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%.

Wednesday
Jul 15
88°F
Mostly Sunny then Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.

Wednesday Night
Jul 15
72°F
Chance Showers And Thunderstorms then Partly Cloudy
0 to 5 mph W

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 40%.

Thursday
Jul 16
91°F
Sunny
5 to 10 mph NW

Sunny, with a high near 91.

Thursday Night
Jul 16
73°F
Mostly Clear
5 mph NW

Mostly clear, with a low around 73.

Friday
Jul 17
90°F
Sunny then Slight Chance Showers And Thunderstorms
5 to 10 mph NW

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 90. Chance of precipitation is 20%.

Friday Night
Jul 17
73°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
0 to 5 mph NW

A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 20%.

Saturday
Jul 18
91°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
5 mph NW

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
Alpharetta  Georgia City Hall
Alpharetta Georgia City Hall image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.