5-day weather forecast Hong Kong 20-05-2026

Weather forecast Hong Kong Wednesday, May 20 20.05.2026: patchy rain possible, temperature from 26 °C to 28 °C.

Precipitation probability 100%. Wind up to 4.31 m/s (gusts 5.67 m/s). Air humidity 73–88%, atmospheric pressure 755–758 mm Hg, UV index up to 12.2.

Sunrise 05:42
Sunset 18:58
Waxing Crescent15% illuminated
Moonrise 08:49 · Moonset 22:54
Chart
Table
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Patchy rain possible
26 °C100% (0.15 mm/hr)63%88%757 mm HgESE 103° 3.11 (4.67) m/s0
01:00Weather
Patchy rain possible
26 °C100% (0.14 mm/hr)90%88%756 mm HgESE 109° 3.11 (4.72) m/s0
02:00Weather
Light drizzle
26 °C100% (0.25 mm/hr)100%88%756 mm HgESE 107° 2.81 (4.28) m/s0
03:00Weather
Light rain shower
26 °C100% (0.29 mm/hr)100%87%755 mm HgESE 110° 2.61 (3.94) m/s0
04:00Weather
Light rain shower
26 °C100% (0.26 mm/hr)100%87%755 mm HgESE 118° 2.39 (3.67) m/s0
05:00Weather
Light rain shower
26 °C100% (0.31 mm/hr)100%86%756 mm HgSE 125° 2.39 (3.64) m/s0
06:00Weather
Light rain shower
26 °C100% (0.24 mm/hr)90%86%756 mm HgSE 134° 2.61 (3.94) m/s0
07:00Weather
Light rain shower
26 °C100% (0.35 mm/hr)82%86%757 mm HgSE 137° 2.61 (3.92) m/s0.5
08:00Weather
Light rain shower
26 °C100% (0.17 mm/hr)57%84%757 mm HgSE 137° 2.89 (4.25) m/s2
09:00Weather
Patchy rain possible
27 °C100% (0.16 mm/hr)76%81%757 mm HgSE 143° 2.81 (3.86) m/s4.6
10:00Weather
Patchy rain possible
27 °C66% (0.02 mm/hr)86%78%758 mm HgSSE 148° 3 (3.92) m/s7.8
11:00Weather
Patchy rain possible
28 °C89% (0.02 mm/hr)70%75%757 mm HgSSE 154° 3.19 (4.06) m/s10.8
12:00Weather
Patchy rain possible
28 °C78% (0.04 mm/hr)73%74%757 mm HgSSE 157° 3.61 (4.42) m/s12.2
13:00Weather
Patchy rain possible
28 °C82% (0.02 mm/hr)78%73%756 mm HgSSE 159° 3.89 (4.72) m/s12
14:00Weather
Patchy rain possible
28 °C65% (0.04 mm/hr)89%73%755 mm HgSSE 166° 4 (4.89) m/s10.1
15:00Weather
Patchy rain possible
28 °C100% (0.13 mm/hr)78%73%755 mm HgS 173° 3.81 (4.75) m/s6.8
16:00Weather
Patchy rain possible
28 °C100% (0.07 mm/hr)71%73%755 mm HgS 181° 4 (5.17) m/s3.3
17:00Weather
Patchy rain possible
28 °C100% (0.21 mm/hr)76%75%755 mm HgSSW 196° 4.31 (5.67) m/s1.2
18:00Weather
Light rain shower
27 °C100% (0.4 mm/hr)54%79%756 mm HgSW 221° 4.11 (5.5) m/s0.3
19:00Weather
Light rain shower
26 °C100% (0.24 mm/hr)66%83%756 mm HgWSW 245° 3 (4.14) m/s0
20:00Weather
Patchy rain possible
26 °C75% (0.05 mm/hr)50%84%757 mm HgW 259° 2 (2.81) m/s0
21:00Weather
Partly cloudy
26 °C0% 44%84%757 mm HgW 260° 0.81 (1.11) m/s0
22:00Weather
Partly cloudy
26 °C0% 38%85%757 mm HgSSE 151° 0.39 (0.58) m/s0
23:00Weather
Partly cloudy
26 °C0% 36%85%758 mm HgESE 117° 1.11 (1.58) m/s0

Hong Kong 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.