Alpharetta, Georgia Weather Forecast
Today in Alpharetta: clear skies with a high near 70°F and a low around 49°F. Rain chance 0%. No day tops a 20% rain chance through Thursday. Highs run 68 to 74°F through Thursday.
Forecast updated 4:05 AM EDT, Oct 23
Active Weather Alerts
7-Day Forecast for Alpharetta
Today 10/23
70°49°
Sat 10/24
68°47°
Sun 10/25
68°45°
Mon 10/26
71°44°
Tue 10/27
74°42°
Wed 10/28
71°46°
Thu 10/29
73°45°
Next 24 Hours
| Now | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky | | | | | | | | | | | |  | | | | | | | | | | | | |
| Temp | 52° | 57° | 62° | 65° | 67° | 69° | 70° | 70° | 70° | 68° | 63° | 58° | 56° | 54° | 52° | 51° | 50° | 49° | 49° | 48° | 47° | 47° | 47° | 47° |
| Rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind | E 8 | E 9 | E 10 | E 10 | E 9 | E 7 | E 7 | ENE 6 | ENE 6 | ENE 5 | E 4 | E 4 | E 5 | E 5 | E 5 | E 5 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 8 | ENE 9 | ENE 9 |
Growing Conditions
Growing degree days
4,755
since Apr 1, base 50°F
Rain, last 30 days
1.32 in
model analysis
Rain, year to date
41.90 in
since Jan 1
2-inch soil temperature
57°F
yesterday, daily average
Reference ET, last 7 days
0.95 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Alpharetta →
Current Stats & Observations
NWS Forecast
About Alpharetta Weather
Alpharetta sits at about 1,070 feet above sea level in Fulton County, Georgia. About 67,213 people live in the Alpharetta area. Official forecasts and warnings for the area come from the National Weather Service FFC office, and the nearest NEXRAD radar site is KFFC. The city is in USDA plant hardiness zone 8a, where the coldest winter night typically falls between 10 to 15°F. Over the past ten years the last spring freeze has come around Mar 20 and the first fall freeze around Nov 23.
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