5-day weather forecast Atlanta Sep 20, 2026

32°21° · Overcast

Weather forecast Atlanta Sunday Sep 20, 2026: overcast, temperature from 21 °C to 32 °C.

Precipitation probability 64%. Wind up to 2.61 m/s (gusts 6.19 m/s). Air humidity 40–93%, atmospheric pressure 759–763 mm Hg, UV index up to 8.

Sunrise 07:24
Sunset 19:37
Waxing Gibbous73% illuminated
Moonrise 16:37 · Moonset 01:40
Chart
Table
Sun, Sep 20, 2026

Forecast from 21 °C to 32 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)252423222221212121222325283031323129292827262626
Precipitation (mm/hr)0.130.590.0300.550000.010000000.140.840.0400.230.470.1100

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)7462911001009798100706477375542961009490909676591
Rain chance (%)335231316431313224181663231743139233919520

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)0.391.112.3922.192.391.611.611.692.112.392.612.112.191.891.891.51.691.690.191.610.190.691.19
Wind gust (m/s)0.425.115.195.225.725.834.113.392.922.923.222.896.116.191.922.311.922.612.330.832.311.391.921.33
Wind direction (°)SSW 205°N 349°NNE 19°NE 51°E 89°ESE 114°E 96°E 80°ENE 77°E 98°ESE 113°ESE 112°E 98°ESE 113°ESE 110°ESE 107°SE 128°S 169°S 186°WSW 249°NNW 332°W 259°ESE 110°ENE 69°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)878891929293939391847463554843404350475359656777

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)762762762761761761761762762763763763762761761760759759759760760760761761

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index0000000000.72.24.46.686.12.61.61.60.80.20000

Air quality & pollen

Air quality is available for the first three days only.

Sun, Sep 20, 2026

Atlanta on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.