Detailed weather forecast for Kowloon, Hong Kong: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Kowloon
today🌧️30°💧 0.6 mm
Sun🌧️30°💧 6 mm
Mon🌧️29°💧 7 mm
Tue🌧️29°💧 0.8 mm
Wed🌧️30°💧 0.7 mm
Thu🌧️28°💧 3.4 mm
Fri🌤️29°💧 2.5 mm
Sat🌧️28°💧 0.4 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Thursday 10 Sept in Kowloon, the forecast high is 28°C. Typical daytime temperatures at this time of year range from 29°C to 31°C, so it will be cooler than usual. It is cooler than 86% of similar days.
30°Cnear normal
usually 29°C–31°C
night: near normalrain: less rain than usualwind: exceptionally light
30°Cnear normal
usually 29°C–31°C
night: near normalrain: typical rainfallwind: exceptionally light
29°Cnear normal
usually 29°C–31°C
night: exceptionally warmrain: more rain than usualwind: lighter than usual
29°Cnear normal
usually 29°C–31°C
night: exceptionally warmrain: typical rainfallwind: lighter than usual
30°Cnear normal
usually 29°C–31°C
night: exceptionally warmrain: less rain than usualwind: stronger than usual
28°Ccooler than usual
usually 29°C–31°C
cooler than 86% of similar days
night: cooler than usualrain: typical rainfallwind: stronger than usual
29°Ccooler than usual
usually 29°C–31°C
cooler than 82% of similar days
night: near normalrain: typical rainfallwind: typical
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
From 1981 to 2025, the 5-11 Sept period averaged 30°C by day. The coolest year was 1985 (28°C) and the warmest was 2009 (32°C). The current forecast averages 29°C - lower than in 73% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Kowloon
Kowloon 30 & 45-day weather - long-range outlook
Next 16 days · forecast
28°
around 27° at night · days with rain: 11
Weeks 3-4 · avg for September
32°
around 26° at night · rain chance 46%
Weeks 5-7 · avg for October
30°
around 24° at night · rain chance 24%
The 30 & 45-day outlook for Kowloon: the next 16 days are a numerical forecast updated daily - on average 28° by day and 27° at night. Further out we rely on multi-year climate averages: around 32° in September, and about 30° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Kowloon
Saturday5 September 2026
🌧️30°light rain
sunrise 06:07 · sunset 18:37 · night 27° · evening 28° · rain 0.56 mm · humidity 73% · wind 3 m/s · clouds 18%
Sunday6 September 2026
🌧️30°moderate rain
sunrise 06:07 · sunset 18:36 · night 26° · evening 27° · rain 6 mm · humidity 72% · wind 2 m/s · clouds 88%
Monday7 September 2026
🌧️29°light rain
sunrise 06:08 · sunset 18:35 · night 28° · evening 29° · rain 7.01 mm · humidity 73% · wind 4 m/s · clouds 28%
Tuesday8 September 2026
🌧️29°light rain
sunrise 06:08 · sunset 18:34 · night 28° · evening 29° · rain 0.84 mm · humidity 70% · wind 4 m/s · clouds 12%
Wednesday9 September 2026
🌧️30°light rain
sunrise 06:08 · sunset 18:33 · night 27° · evening 28° · rain 0.67 mm · humidity 67% · wind 7 m/s · clouds 6%
Thursday10 September 2026
🌧️28°light rain
sunrise 06:08 · sunset 18:32 · night 25° · evening 29° · rain 3.35 mm · humidity 64% · wind 7 m/s · clouds 98%
Friday11 September 2026
🌤️29°scattered clouds
sunrise 06:09 · sunset 18:31 · night 26° · evening 30° · rain 2.49 mm · humidity 54% · wind 6 m/s · clouds 28%
Saturday12 September 2026
🌧️28°light rain
sunrise 06:09 · sunset 18:30 · night 26° · evening 26° · rain 0.42 mm · humidity 62% · wind 8 m/s · clouds 73%
Sunday13 September 2026
🌧️23°moderate rain
sunrise 06:09 · sunset 18:29 · night 24° · evening 24° · rain 10.41 mm · humidity 89% · wind 6 m/s · clouds 100%
Monday14 September 2026
🌧️26°moderate rain
sunrise 06:10 · sunset 18:28 · night 27° · evening 27° · rain 17.28 mm · humidity 90% · wind 8 m/s · clouds 100%
Tuesday15 September 2026
🌧️29°light rain
sunrise 06:10 · sunset 18:27 · night 27° · evening 29° · rain 4.35 mm · humidity 74% · wind 7 m/s · clouds 38%
Wednesday16 September 2026
🌧️29°light rain
sunrise 06:10 · sunset 18:26 · night 27° · evening 29° · rain 2.67 mm · humidity 70% · wind 7 m/s · clouds 8%
Thursday17 September 2026
🌧️27°moderate rain
sunrise 06:10 · sunset 18:25 · night 27° · evening 27° · rain 11.52 mm · humidity 78% · wind 7 m/s · clouds 100%
Friday18 September 2026
🌤️28°scattered clouds
sunrise 06:11 · sunset 18:24 · night 27° · evening 28° · rain 16.95 mm · humidity 77% · wind 8 m/s · clouds 32%
Saturday19 September 2026
🌧️28°light rain
sunrise 06:11 · sunset 18:23 · night 27° · evening 28° · rain 3.27 mm · humidity 80% · wind 8 m/s · clouds 59%
Sunday20 September 2026
🌧️29°light rain
sunrise 06:11 · sunset 18:22 · night 27° · evening 28° · rain 0.84 mm · humidity 78% · wind 7 m/s · clouds 100%
UV index in Kowloon - is it safe to sunbathe?
Today the UV index in Kowloon is 8 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.