5-day weather forecast Hangzhou 18-05-2026

Weather forecast Hangzhou tomorrow 18.05.2026: sunny, temperature from 18 °C to 30 °C.

No precipitation expected. Wind up to 4.5 m/s (gusts 6.92 m/s). Air humidity 39–85%, atmospheric pressure 756–760 mm Hg, UV index up to 8.4.

Sunrise 05:04
Sunset 18:48

Waxing Crescent2% illuminated
Moonrise 05:48 · Moonset 20:49

Chart

Table

← Sun, May 17

Mon, May 18, 2026

Tue, May 19 →

Forecast from 18 °C to 30 °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)	20	20	19	18	18	18	18	20	22	23	24	26	27	29	29	30	29	28	27	25	24	24	23	22
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 (%)	4	3	4	5	1	1	11	32	18	81	32	33	68	74	57	9	13	19	21	25	50	50	48	46
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)	4.19	4	3.5	2.89	2.31	2.5	2.5	3.11	3.5	4.19	4.39	4.5	4.5	4.39	4.19	4	3.69	2.69	2.11	3.11	3.31	2.89	3	3
Wind gust (m/s)	6.92	6.67	5.94	5.11	4.08	4.47	4	4.06	4.28	4.89	5.25	5.17	5.17	5.06	4.83	4.75	4.97	4.31	3.89	5.67	5.78	5.03	5.19	5.14
Wind direction (°)	SE 146°	SSE 147°	SSE 156°	SSE 154°	SSE 159°	SSE 165°	SSE 167°	SSE 159°	S 169°	S 177°	S 174°	S 173°	S 172°	S 170°	S 173°	S 177°	S 177°	S 176°	SSE 147°	SE 133°	SE 141°	SE 143°	SE 143°	SE 146°

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 (%)	75	78	81	83	84	85	82	74	66	59	56	50	44	42	40	39	43	48	52	56	59	62	64	66

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)	760	759	759	759	759	759	759	759	759	760	759	759	758	758	757	757	756	756	756	757	757	758	758	758

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	0.2	1	2.6	4.7	7	8	8.1	8.4	6.3	4.1	2.2	0.8	0.2	0	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)	16.4	17.8	20.2	23.1	23.1	22.2	22.7	23.5	23.7	20.9	19.6	19.1	19.1	19.5	20.2	22.3	21.4	21.9	23.5	25.2	25.8	25.5	24.8	24.3
PM10 (µg/m³)	21.4	22.4	24.5	27.2	27.2	26.6	27.5	28.8	29.4	25.3	23.6	23	23	23.4	24	26.2	27.5	28.5	30.7	32.9	33.6	33	32.1	31.4
Ozone (O₃) (µg/m³)	144	135	120	102	87	80	78	75	70	65	60	53	45	43	48	57	72	94	120	144	164	181	190	190
NO₂ (µg/m³)	7.9	11	16.3	22.6	27	27.5	25.9	25.2	26.2	27.9	30.3	34.6	39.4	40.8	35.8	27.4	20	15.2	11.5	8.8	6.8	5.9	6.6	8.3
SO₂ (µg/m³)	2.6	2.9	3.4	3.9	4.3	4.3	4.2	4.1	4.1	4.2	4.3	4.5	4.8	5.1	5.3	5.5	5.5	5.3	4.9	4.5	4.2	3.9	3.7	3.6
CO (µg/m³)	197.9	209.9	222.9	236.9	241.9	232.9	216.9	202.9	193.9	187.9	185.9	188.9	194.9	208.9	236.9	271.9	290.9	280.9	254.9	234.9	227.9	225.9	228.9	239.9

← Sun, May 17

Mon, May 18, 2026

Tue, May 19 →

Hangzhou 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 →