5-day weather forecast Hamburg 21-05-2026

Weather forecast Hamburg tomorrow 21.05.2026: partly cloudy, temperature from 10 °C to 20 °C.

Precipitation probability 84%. Wind up to 5.39 m/s (gusts 6.22 m/s). Air humidity 58–98%, atmospheric pressure 768–771 mm Hg, UV index up to 5.7.

Sunrise 05:10
Sunset 21:24

Waxing Crescent24% illuminated
Moonrise 09:35 · Moonset 01:52

Chart

Table

← Wed, May 20

Thu, May 21, 2026

Fri, May 22 →

Forecast from 10 °C to 20 °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)	10	10	10	10	10	10	10	12	13	15	17	19	19	20	20	20	20	20	20	19	17	13	12	11
Precipitation (mm/hr)	0	0	0.01	0.01	0.02	0	0	0.23	0.04	0	0	0.09	0.07	0.23	0.09	0.16	0.16	0.03	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 (%)	62	100	100	100	100	100	100	95	88	45	65	95	81	55	54	66	55	82	64	41	43	45	30	48
Rain chance (%)	0	0	84	66	72	0	0	100	71	0	0	100	100	100	100	100	100	67	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)	1.81	2.11	2.39	2.69	2.69	2.81	2.81	3.19	3.39	4.19	4.61	4.61	5	5.19	5.39	5.11	4.89	4.89	4.81	4	3	2.11	2.19	2
Wind gust (m/s)	3.78	4.42	5.03	5.58	5.42	5.33	5.17	4.86	4.78	5.36	5.44	5.28	5.75	6.03	6.22	5.86	5.64	5.94	6.11	5.33	4.56	4.36	4.61	4.19
Wind direction (°)	SW 214°	SSW 213°	SW 216°	SW 222°	SW 224°	SW 226°	SW 220°	SW 228°	WSW 240°	WSW 250°	W 261°	W 264°	W 262°	W 269°	W 266°	W 270°	W 278°	WNW 289°	WNW 297°	WNW 301°	WNW 301°	WNW 287°	W 278°	W 277°

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 (%)	97	97	98	98	98	98	98	98	96	91	78	65	62	58	59	61	61	59	60	66	72	83	89	91

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)	768	768	768	768	768	768	768	769	769	770	770	770	770	770	770	770	770	770	770	770	770	770	771	771

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	0.1	0.5	1.7	2.8	3.8	5	5.7	4.8	5	4	5	4	5	5	4	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)	7.2	9.8	11	11.4	12.3	13.2	13.8	14.9	15.7	16.4	16	14.5	12.5	10.8	9.8	7.9	6.8	6.5	6.3	5.8	6.3	6.9	7.2	8
PM10 (µg/m³)	9.3	12.3	13.4	13.6	14.1	15.1	16.1	17.3	18.4	19.7	18.9	17.3	15.6	14.8	13.3	11.9	9.8	9.2	9.2	9	9.5	11	11.5	12.5
Ozone (O₃) (µg/m³)	64	54	44	39	40	39	39	39	36	46	54	59	64	69	74	82	89	88	88	87	86	83	78	70
NO₂ (µg/m³)	17.8	22.6	28	28.9	29.3	27.2	24.1	23.3	20.3	20.4	17	14.1	11.4	9.5	7.4	6.4	5.7	6	6.7	6.8	8.4	13	14.8	18.2
SO₂ (µg/m³)	5	5	5.4	5.4	5.1	4.9	5.2	5.4	5.8	5.5	5.4	5.3	4.4	3.8	3.3	3.2	3.2	3.2	3.1	3.1	3.2	3.8	4.1	4.5
CO (µg/m³)	176.9	183.9	189.9	194.9	193.9	189.9	193.9	216.9	234.9	234.9	220.9	189.9	183.9	170.9	156.9	154.9	155.9	157.9	159.9	161.9	162.9	166.9	169.9	175.9

← Wed, May 20

Thu, May 21, 2026

Fri, May 22 →

Hamburg 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 →