Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	5	3.5	1.11	1.81	2	2.39	2.69	2.19	2.5	2.11	2	1.69	1	0.89	1.39	1.39	1.61	2.61	5.11	4.39	4	3.81	3.31	2.5
Wind gust (m/s)	9.83	10.81	2.61	2.36	3.11	5	6.5	5.11	4.61	3.31	2.81	2.11	1.22	1.14	1.61	2.61	4.42	5.81	6.81	6.42	6.69	7.92	7.81	7.33
Wind direction (°)	NW 320°	NW 322°	NW 318°	W 270°	NW 312°	NNW 341°	NNW 344°	NNW 344°	NNW 329°	NW 310°	WNW 303°	WNW 292°	W 264°	SSW 211°	SSW 200°	SSW 208°	SW 221°	W 265°	WNW 292°	WNW 298°	NW 307°	NW 311°	NW 324°	NNW 327°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	55	59	66	67	69	73	83	81	79	81	74	75	74	70	50	42	38	35	34	37	42	46	50	53

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	762	763	763	761	761	761	761	761	762	762	762	763	763	763	762	761	761	760	759	759	760	760	761	761

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0	0.3	1.1	2.4	3.1	2.4	2.2	5.1	7.9	6.1	3.6	1.6	0.5	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	22.5	19.3	17.3	14.4	13.5	13	12.7	12.5	12.7	12.6	13.2	13.2	12.6	11.8	11.5	10.9	10.1	9.6	9.8	10	11.1	12.9	14.1	15
PM10 (µg/m³)	22.6	19.4	17.4	14.5	13.6	13.1	12.8	12.7	12.9	12.8	13.4	13.6	13	12.3	12	11.4	10.6	10.1	10.3	10.4	11.4	13.1	14.3	15.2
Ozone (O₃) (µg/m³)	35	41	47	50	54	56	53	50	56	82	117	144	154	155	153	149	142	132	118	101	85	72	61	53
NO₂ (µg/m³)	37.3	29.8	23	18.6	15	12.4	11.6	11.8	11.4	9.3	6.4	4.2	3.1	2.6	2.3	1.8	1.5	2.4	5.3	9.4	13	15.9	18.4	19.8
SO₂ (µg/m³)	2.2	2.2	2.1	2	1.8	1.7	1.6	1.5	1.5	1.6	1.7	1.8	1.8	1.7	1.6	1.4	1.2	1.1	1.1	1.1	1.1	1.2	1.2	1.3
CO (µg/m³)	269	238	214	209	211	213	212	211	204	187	166	148	137	130	129	137	152	167	179	191	210	246	289	312

← Thu, Aug 20

Fri, Aug 21, 2026

Sat, Aug 22 →

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.

Learn more about our methodology →