Weather in Kowloon - 14-day forecast

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 normal rain: less rain than usual wind: exceptionally light
30°Cnear normal
usually 29°C–31°C
night: near normal rain: typical rainfall wind: exceptionally light
29°Cnear normal
usually 29°C–31°C
night: exceptionally warm rain: more rain than usual wind: lighter than usual
29°Cnear normal
usually 29°C–31°C
night: exceptionally warm rain: typical rainfall wind: lighter than usual
30°Cnear normal
usually 29°C–31°C
night: exceptionally warm rain: less rain than usual wind: stronger than usual
28°Ccooler than usual
usually 29°C–31°C
cooler than 86% of similar days
night: cooler than usual rain: typical rainfall wind: stronger than usual
29°Ccooler than usual
usually 29°C–31°C
cooler than 82% of similar days
night: near normal rain: typical rainfall wind: 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.

swipe to see more years →
25°30°35° 1981: 29°C1982: 30°C1983: 29°C1984: 29°C1985: 28°C1986: 30°C1987: 30°C1988: 30°C1989: 31°C1990: 30°C1991: 30°C1992: 30°C1993: 30°C1994: 29°C1995: 30°C1996: 30°C1997: 29°C1998: 29°C1999: 29°C2000: 28°C2001: 29°C2002: 30°C2003: 30°C2004: 30°C2005: 30°C2006: 28°C2007: 29°C2008: 31°C2009: 32°C2010: 30°C2011: 32°C2012: 31°C2013: 30°C2014: 31°C2015: 30°C2016: 30°C2017: 30°C2018: 30°C2019: 31°C2020: 30°C2021: 31°C2022: 31°C2023: 29°C2024: 30°C2025: 30°C 2026 forecast: 29°C current forecast 29°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

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 - 14-day weather forecast infographic

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?

UV INDEX · 16-DAY FORECASTKowloon03681111+8.3UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.Unprotected fair skin may burn in about 25 min8Sat5.098Sun6.099Mon7.099Tue8.099Wed9.098Thu10.099Fri11.095Sat12.094Sun13.098Mon14.099Tue15.098Wed16.098Thu17.093Fri18.098Sat19.098Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
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.

Sea temperature - Kowloon

Water today
27°C
Week avg
27°C
Waves today
0.3 m
How's the water?
warm
16-day sea temperature forecast:
5.09 27°C6.09 27°C7.09 27°C8.09 27°C9.09 27°C10.09 27°C11.09 28°C12.09 27°C13.09 28°C
Average sea temperature through the year:
Jan 18°CFeb 19°CMar 21°CApr 24°CMay 27°CJun 29°CJul 29°CAug 29°CSep 29°COct 28°CNov 25°CDec 21°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Kowloon weather through the year

Kowloon - annual climate

Warmest, driest months on average: January, February, March, April.

Nearby and related places

Sha TinTainanKaohsiung

FAQ - Kowloon weather

What is the weather like in Kowloon today?
Today it is about 30° during the day and 27° at night, light rain.
How far ahead can I check the forecast for Kowloon?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.