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5-day weather forecast Hong Kong 21-03-2026

Weather forecast Hong Kong Saturday 21 March 21.03.2026: patchy rain possible, temperature from 20 °C to 21 °C.

Precipitation probability 82%. Wind up to 7.69 m/s (gusts 10.67 m/s). Air humidity 80–90%, atmospheric pressure 762–764 mm Hg, UV index up to 7.8.

Sunrise 06:31
Sunset 18:34
Chart
Table
Type of temperature:
°C
°F
Sat, 21 Mar, 2026
TemperaturePrecipitationCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
21 °C0% 15%88%763 mm HgENE 68° 4.11 (6.39) m/s0
01:00Weather
Clear
21 °C0% 16%88%762 mm HgENE 74° 4.19 (6.58) m/s0
02:00Weather
Clear
20 °C0% 21%89%762 mm HgENE 74° 4.61 (7.11) m/s0
03:00Weather
Partly cloudy
20 °C0% 31%90%762 mm HgENE 72° 4.89 (7.5) m/s0
04:00Weather
Partly cloudy
20 °C0% 40%90%762 mm HgENE 73° 5.31 (7.94) m/s0
05:00Weather
Partly cloudy
20 °C0% 43%90%762 mm HgENE 77° 6.11 (8.94) m/s0
06:00Weather
Patchy rain possible
20 °C82% (0.01 mm/hr)57%89%763 mm HgENE 78° 6.81 (9.78) m/s0
07:00Weather
Patchy rain possible
20 °C79% (0.03 mm/hr)65%89%763 mm HgENE 77° 7.19 (10.14) m/s0.1
08:00Weather
Patchy rain possible
20 °C74% (0.03 mm/hr)79%87%764 mm HgENE 77° 7.39 (10.31) m/s0.6
09:00Weather
Patchy rain possible
20 °C65% (0.01 mm/hr)72%88%764 mm HgENE 76° 7.69 (10.67) m/s1.7
10:00Weather
Patchy rain possible
20 °C68% (0.01 mm/hr)61%86%764 mm HgENE 77° 7.39 (10.06) m/s3.6
11:00Weather
Patchy rain possible
20 °C77% (0.01 mm/hr)80%84%764 mm HgE 79° 7.19 (9.69) m/s6.4
12:00Weather
Partly cloudy
21 °C0% 43%82%764 mm HgE 83° 6.61 (8.81) m/s7.7
13:00Weather
Partly cloudy
21 °C0% 40%82%764 mm HgE 87° 6.61 (8.75) m/s7.8
14:00Weather
Partly cloudy
21 °C0% 35%81%763 mm HgE 92° 6.61 (8.78) m/s7
15:00Weather
Partly cloudy
21 °C0% 32%80%762 mm HgE 95° 6.5 (8.67) m/s4.8
16:00Weather
Partly cloudy
21 °C0% 27%80%762 mm HgE 98° 6.19 (8.36) m/s2.3
17:00Weather
Sunny
21 °C0% 23%80%762 mm HgE 101° 6 (8.19) m/s0.7
18:00Weather
Sunny
21 °C0% 22%81%762 mm HgESE 103° 5.69 (7.94) m/s0.1
19:00Weather
Clear
21 °C0% 18%82%762 mm HgE 97° 5.81 (8.14) m/s0
20:00Weather
Clear
21 °C0% 18%83%763 mm HgE 91° 6.11 (8.58) m/s0
21:00Weather
Patchy rain possible
20 °C73% (0.01 mm/hr)85%83%764 mm HgE 89° 6.39 (9.11) m/s0
22:00Weather
Patchy rain possible
20 °C60% (0.02 mm/hr)89%83%764 mm HgE 88° 6.61 (9.22) m/s0
23:00Weather
Patchy rain possible
20 °C61% (0.02 mm/hr)54%84%764 mm HgE 89° 7 (9.86) m/s0

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.

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