5-day weather forecast Atlanta 18-04-2026

Weather forecast Atlanta tomorrow 18.04.2026: sunny, temperature from 21 °C to 29 °C.

No precipitation expected. Wind up to 4.89 m/s (gusts 5.69 m/s). Air humidity 34–64%, atmospheric pressure 760–762 mm Hg, UV index up to 9.2.

Sunrise 07:03
Sunset 20:11

Waxing Crescent1% illuminated
Moonrise 07:29 · Moonset 22:02

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Table

← Fri, Apr 17

Sat, Apr 18, 2026

Sun, Apr 19 →

Forecast from 21 °C to 29 °C and precipitation

Temperature & Precipitation
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
Temperature (°C)	23	23	23	23	22	22	21	21	22	23	25	27	27	28	28	29	29	28	28	27	26	26	25	24
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
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
Cloud cover (%)	0	0	0	0	1	18	21	27	49	97	89	97	49	100	93	84	79	74	53	43	32	61	76	8
Rain chance (%)	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 speed and direction

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)	1.39	1.5	1.11	2.31	2.5	1.61	1.61	1.5	1.89	2.11	2	2.19	3	3.89	4.19	4.69	4.81	4.81	4.89	4.5	3.81	3.5	3.31	3.39
Wind gust (m/s)	2.75	2.86	2.11	3.92	3.94	3.08	3	2.83	3.08	2.64	2.31	2.53	3.44	4.5	4.83	5.42	5.53	5.53	5.64	5.69	5.67	5.47	5.14	5.39
Wind direction (°)	SE 125°	S 177°	S 182°	SW 226°	SW 229°	SW 221°	SW 236°	SW 233°	WSW 254°	W 269°	WSW 249°	WSW 243°	SW 227°	SW 221°	SW 217°	SSW 213°	SSW 213°	SW 216°	SW 217°	SW 225°	SW 232°	WSW 248°	WSW 252°	W 263°

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 (%)	36	34	52	54	57	59	60	62	64	62	58	53	49	45	43	43	42	42	45	47	48	51	52	43

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)	761	761	761	761	761	761	761	761	761	761	762	762	762	761	761	761	760	760	760	760	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	1.2	3	5.3	7.4	9.2	9	7.6	5.5	3.2	1.4	0.4	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)	7.5	7.4	7.4	7.5	8.6	8.7	8.7	8.4	7.7	6.7	5.8	5.4	5.3	5.4	5.5	5.7	6.1	7	7.2	7.1	6.9	6.9	6.6	4.3
PM10 (µg/m³)	8.4	8.2	8	8.1	9	9.3	9.5	9.7	9.5	8.4	7.2	6.8	6.6	6.6	6.7	6.8	7	7.7	7.8	7.7	7.5	7.3	6.8	4.4
Ozone (O₃) (µg/m³)	81	76	69	61	61	75	96	114	123	128	131	133	133	132	128	123	117	110	103	96	88	81	77	80
NO₂ (µg/m³)	7.1	6.8	8.2	10.4	11.4	9.9	7.1	4.8	3.6	2.8	2.3	2.1	2.2	2.6	3.5	4.8	5.9	6.8	7.5	7.9	7.8	7.3	6.6	5.6
SO₂ (µg/m³)	2.2	2.4	2.7	3.1	3.4	3.7	4	4	3.5	2.8	2.2	2	2	2	2.1	2.2	2.4	2.5	2.7	2.8	3	3.2	3.2	2.8
CO (µg/m³)	186.9	182.9	195.9	215.9	227.9	221.9	207.9	192.9	178.9	164.9	154.9	149.9	149.9	150.9	154.9	160.9	165.9	168.9	170.9	172.9	174.9	175.9	175.9	172.9

← Fri, Apr 17

Sat, Apr 18, 2026

Sun, Apr 19 →

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 →