15-Day Weather Forecast - Atlanta

15-day weather forecast for Atlanta: temperatures from 19°C (66°F) to 37°C (99°F). Average daily high 31°C (88°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +31°C

15-Day Temperature Trend

31°23°TodaySep29°22°Tmrw34°22°Sun37°24°Mon34°24°Tue33°23°Wed33°22°Thu29°22°Fri30°21°Sat31°21°Sun24°20°Mon29°20°Tue31°19°Wed28°21°Thu30°21°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +31°/+23°
    feels +34°0 mm · 24%15 km/hUV 7 · Hi
    07:1819:49
  • Sat, Sep 12Tomorrow
    +29°/+22°
    feels +33°1.5 mm · 42%19 km/hUV 6 · Hi
    07:1819:48
  • Sun, Sep 13Sun
    +34°/+22°
    feels +36°0 mm · 32%16 km/hUV 7 · Hi
    07:1919:46
  • Mon, Sep 14Mon
    +37°/+24°
    feels +38°0 mm · 7%10 km/hUV 7 · Hi
    07:2019:45
  • Tue, Sep 15Tue
    +34°/+24°
    feels +36°0 mm · 14%20 km/hUV 7 · Hi
    07:2019:43
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  • Wed, Sep 16Wed
    +33°/+23°
    feels +35°0 mm · 9%12 km/hUV 7 · Hi
    07:2119:42
  • Thu, Sep 17Thu
    +33°/+22°
    feels +31°0 mm · 10%17 km/hUV 7 · Hi
    07:2219:41
  • Fri, Sep 18Fri
    +29°/+22°
    feels +30°3.0 mm · 20%17 km/hUV 6 · Mod
    07:2319:39
  • Sat, Sep 19Sat
    +30°/+21°
    feels +32°2.7 mm · 21%9 km/hUV 5 · Mod
    07:2319:38
  • Sun, Sep 20Sun
    +31°/+21°
    feels +32°17.7 mm · 20%10 km/hUV 6 · Hi
    07:2419:37
  • Mon, Sep 21Mon
    +24°/+20°
    feels +27°13.5 mm · 21%14 km/hUV 2 · Low
    07:2519:35
  • Tue, Sep 22Tue
    +29°/+20°
    feels +29°0.3 mm · 19%12 km/hUV 7 · Hi
    07:2519:34
  • Wed, Sep 23Wed
    +31°/+19°
    feels +32°0 mm · 19%11 km/hUV 7 · Hi
    07:2619:32
  • Thu, Sep 24Thu
    +28°/+21°
    feels +28°0 mm · 23%19 km/hUV 5 · Mod
    07:2719:31
  • Fri, Sep 25Fri
    +30°/+21°
    feels +30°0 mm · 16%15 km/hUV 5 · Mod
    07:2719:30

Weather Insight

Atlanta's 15-day outlook ranges from a low of 19°C to a high of 37°C, with an average daytime high near 31°C. That's 1° above the long-term average high of 30°C for this time of year. It continues a recent pattern — 22 of the last 28 days with published data have run warmer than normal. Air quality is currently good (AQI 40), with no notable outdoor health concerns.

Today vs Normal

31°C+1° above normal

The long-term average high for today is 30°C.

22 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-28: 33°C33°2026-08-29: 31°C31°2026-08-30: 31°C31°2026-08-31: 33°C33°2026-09-01: 35°C35°2026-09-02: 36°C36°2026-09-03: 35°C35°2026-09-04: 34°C34°2026-09-05: 37°C37°2026-09-06: 35°C35°2026-09-07: 28°C28°2026-09-08: 31°C31°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Extended Outlook for Atlanta

Over the next 15 days, Atlanta is forecast to see temperatures ranging from 18°C to 37°C, averaging a daily high of 31°C. The extended outlook indicates significant rainfall totalling 38.7 mm spread across 6 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.