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Weather in Alpharetta, United States 🇺🇸

Weather Forecast in Alpharetta

Current Weather in Alpharetta

Flood Warning issued July 24 at 9:30PM EDT by NWS Peachtree City GA
Mist
24°C
Feels like 26°C. Mist.
🌬️ 5 km/h WNW
💧 90% Humidity
🧭 1020 hPa
👁️ 9.7 km Visibility
☀️ UV Index: 1.3
🌡️ Dew Point: 23°C
🌅 Sunrise: 06:43 AM
🌇 Sunset: 08:43 PM
Map Overlays:

Alpharetta currently sits at 24°C, mist, feeling like 26°C. Humidity sits at 90% and winds are near 5 km/h, and the UV index is 1 (low). In the days ahead, expect temperatures in Alpharetta from about 21°C to 35°C. ⚠️ Flood Warning issued July 24 at 9:30PM EDT by NWS Peachtree City GA

Hourly Forecast for Alpharetta

10:00
Cloudy
25°
23%
11:00
Partly Cloudy
26°
19%
12:00
Partly Cloudy
27°
13%
13:00
Partly Cloudy
28°
11%
14:00
Partly Cloudy
29°
9%
15:00
Sunny
32°
6%
16:00
Overcast
29°
18%
17:00
Heavy rain at times
24°
90%
18:00
Patchy rain nearby
27°
32%
19:00
Sunny
27°
4%
20:00
Sunny
25°
5%
21:00
Clear
24°
8%
22:00
Clear
23°
10%
23:00
Clear
23°
10%
00:00
Partly Cloudy
23°
11%
01:00
Patchy rain nearby
23°
22%
02:00
Patchy light drizzle
23°
37%
03:00
Partly Cloudy
22°
16%
04:00
Partly Cloudy
22°
16%
05:00
Patchy rain nearby
22°
46%
06:00
Light drizzle
21°
72%
07:00
Mist
21°
43%
08:00
Partly Cloudy
22°
20%
09:00
Sunny
23°
14%

14-Day Forecast for Alpharetta

Sat, Jul 25
Sunny Sunny
32° / 22°
Sun, Jul 26
Sunny Sunny
34° / 21°
Mon, Jul 27
Sunny Sunny
35° / 24°
Tue, Jul 28
Sunny Sunny
35° / 22°
Wed, Jul 29
Sunny Sunny
35° / 24°
Thu, Jul 30
Sunny Sunny
34° / 22°
Fri, Jul 31
Sunny Sunny
35° / 24°
Sat, Aug 01
Sunny Sunny
35° / 24°
Sun, Aug 02
Patchy rain nearby Patchy rain nearby
33° / 22°
Mon, Aug 03
Sunny Sunny
34° / 21°
Tue, Aug 04
Sunny Sunny
33° / 23°
Wed, Aug 05
Sunny Sunny
32° / 22°
Thu, Aug 06
Sunny Sunny
34° / 23°
Fri, Aug 07
Sunny Sunny
34° / 24°

Additional Forecasts for Alpharetta

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 136.0 μg/m³
O₃ (Ozone) 71.0 μg/m³
NO₂ (Nitrogen Dioxide) 6.2 μg/m³
SO₂ (Sulphur Dioxide) 1.4 μg/m³
PM2.5 (Fine particles) 10.7 μg/m³
PM10 (Coarse particles) 10.9 μg/m³

Historical Weather

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Best Time to Be Outside in Alpharetta Today

The most comfortable window in Alpharetta today looks like 20:00 to 20:00, when it is around 25°C. It should stay dry through that window. The next likely rain is around 17:00.

Frequently Asked Questions about Weather in Alpharetta

What is the temperature in Alpharetta right now?

It is currently 24°C (75°F) in Alpharetta, mist (feels like 26°C).

What's the weather like in Alpharetta right now?

Conditions in Alpharetta right now: Mist, humidity 90%, wind 5 km/h WNW.

What is today's forecast for Alpharetta?

Today in Alpharetta: high 32°C, low 22°C, sunny. Chance of rain: 82%.

What is the 7-day weather forecast for Alpharetta?

Daily highs and lows for Alpharetta:

  • 2026-07-25: 32°C / 22°C
  • 2026-07-26: 34°C / 21°C
  • 2026-07-27: 35°C / 24°C
  • 2026-07-28: 35°C / 22°C
  • 2026-07-29: 35°C / 24°C
  • 2026-07-30: 34°C / 22°C
  • 2026-07-31: 35°C / 24°C
Is it going to rain in Alpharetta today?

There is a 82% chance of rain in Alpharetta today. Total expected precipitation: 16.07 mm.

What is the wind speed in Alpharetta right now?

Wind in Alpharetta is currently 5 km/h (3 mph) from the WNW.

What is the UV index in Alpharetta right now?

The UV index in Alpharetta is currently 1.3 (low). Sun protection is recommended when the index is 3 or higher.

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