worldweather

Weather in Hengchun - 14-day forecast

Detailed weather forecast for Hengchun, Taiwan: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Hengchun
today🌧️ 29°💧 6.8 mm
Sun🌧️ 29°💧 2.5 mm
Mon🌧️ 29°💧 8.7 mm
Tue🌧️ 28°💧 2.9 mm
Wed🌧️ 28°💧 1.5 mm
Thu🌧️ 28°💧 1 mm
Fri🌧️ 29°💧 0.8 mm
Sat🌧️ 29°💧 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

Tuesday 8 Sept in Hengchun, the forecast high is 28°C. Typical daytime temperatures at this time of year range from 29°C to 30°C, so it will be exceptionally cool. It is cooler than 96% of similar days.

29°Ccooler than usual
usually 29°C–30°C
cooler than 76% of similar days
night: cooler than usual rain: typical rainfall wind: stronger than usual
29°Cnear normal
usually 29°C–30°C
night: cooler than usual rain: typical rainfall wind: exceptionally strong
29°Cnear normal
usually 29°C–30°C
night: exceptionally cool rain: typical rainfall wind: typical
28°Cexceptionally cool
usually 29°C–30°C
cooler than 96% of similar days
night: exceptionally cool rain: typical rainfall wind: typical
28°Cexceptionally cool
usually 29°C–30°C
cooler than 91% of similar days
night: exceptionally cool rain: less rain than usual wind: typical
28°Cexceptionally cool
usually 29°C–30°C
cooler than 94% of similar days
night: exceptionally cool rain: less rain than usual wind: stronger than usual
29°Cnear normal
usually 28°C–30°C
night: near normal rain: less rain than usual wind: exceptionally strong

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

From 1981 to 2025, the 5-11 Sept period averaged 29°C by day. The coolest year was 1990 (28°C) and the warmest was 2021 (30°C). The current forecast averages 28°C - lower than in 82% 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 - Hengchun

Hengchun - 14-day weather forecast infographic

Hengchun 30 & 45-day weather - long-range outlook

Next 16 days · forecast
29°
around 27° at night · days with rain: 12
Weeks 3-4 · avg for September
32°
around 26° at night · rain chance 43%
Weeks 5-7 · avg for October
30°
around 24° at night · rain chance 17%
The 30 & 45-day outlook for Hengchun: the next 16 days are a numerical forecast updated daily - on average 29° 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 Hengchun

Saturday5 September 2026
🌧️29°moderate rain
sunrise 05:41 · sunset 18:11 · night 28° · evening 28° · rain 6.82 mm · humidity 80% · wind 9 m/s · clouds 100%
Sunday6 September 2026
🌧️29°light rain
sunrise 05:41 · sunset 18:10 · night 28° · evening 29° · rain 2.49 mm · humidity 75% · wind 11 m/s · clouds 8%
Monday7 September 2026
🌧️29°moderate rain
sunrise 05:41 · sunset 18:09 · night 26° · evening 27° · rain 8.74 mm · humidity 75% · wind 6 m/s · clouds 31%
Tuesday8 September 2026
🌧️28°light rain
sunrise 05:42 · sunset 18:08 · night 26° · evening 27° · rain 2.94 mm · humidity 74% · wind 5 m/s · clouds 8%
Wednesday9 September 2026
🌧️28°light rain
sunrise 05:42 · sunset 18:07 · night 27° · evening 27° · rain 1.45 mm · humidity 68% · wind 8 m/s · clouds 4%
Thursday10 September 2026
🌧️28°light rain
sunrise 05:42 · sunset 18:06 · night 27° · evening 27° · rain 1.02 mm · humidity 71% · wind 10 m/s · clouds 19%
Friday11 September 2026
🌧️29°light rain
sunrise 05:43 · sunset 18:05 · night 28° · evening 28° · rain 0.84 mm · humidity 69% · wind 11 m/s · clouds 90%
Saturday12 September 2026
🌧️29°light rain
sunrise 05:43 · sunset 18:04 · night 27° · evening 28° · rain 3.96 mm · humidity 77% · wind 11 m/s · clouds 100%
Sunday13 September 2026
🌧️28°light rain
sunrise 05:43 · sunset 18:03 · night 27° · evening 28° · rain 3.93 mm · humidity 79% · wind 11 m/s · clouds 100%
Monday14 September 2026
🌤️29°a few clouds
sunrise 05:43 · sunset 18:02 · night 27° · evening 29° · rain 1.89 mm · humidity 71% · wind 8 m/s · clouds 11%
Tuesday15 September 2026
☀️29°clear sky
sunrise 05:44 · sunset 18:01 · night 27° · evening 28° · rain 3.03 mm · humidity 68% · wind 5 m/s · clouds 7%
Wednesday16 September 2026
🌧️29°light rain
sunrise 05:44 · sunset 18:00 · night 28° · evening 29° · rain 1.11 mm · humidity 69% · wind 6 m/s · clouds 12%
Thursday17 September 2026
☀️30°clear sky
sunrise 05:44 · sunset 17:59 · night 28° · evening 29° · rain 2.7 mm · humidity 69% · wind 7 m/s · clouds 7%
Friday18 September 2026
☁️30°broken clouds
sunrise 05:44 · sunset 17:58 · night 28° · evening 29° · rain 0.63 mm · humidity 72% · wind 6 m/s · clouds 80%
Saturday19 September 2026
☁️30°overcast clouds
sunrise 05:45 · sunset 17:57 · night 28° · evening 29° · humidity 70% · wind 5 m/s · clouds 100%
Sunday20 September 2026
☁️30°overcast clouds
sunrise 05:45 · sunset 17:56 · night 27° · evening 29° · humidity 65% · wind 5 m/s · clouds 98%

UV index in Hengchun - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTHengchun03681111+4.7UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 45 min5Sat5.099Sun6.097Mon7.096Tue8.098Wed9.098Thu10.099Fri11.098Sat12.093Sun13.099Mon14.099Tue15.098Wed16.098Thu17.098Fri18.099Sat19.099Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Hengchun is 5 (moderate) - unprotected fair skin can burn in about 45 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Sea temperature - Hengchun

Water today
29°C
Week avg
29°C
Waves today
1.2 m
How's the water?
very warm
16-day sea temperature forecast:
5.09 29°C6.09 29°C7.09 29°C8.09 29°C9.09 29°C10.09 29°C11.09 30°C12.09 30°C13.09 30°C
Average sea temperature through the year:
Jan 25°CFeb 25°CMar 25°CApr 27°CMay 29°CJun 30°CJul 31°CAug 30°CSep 30°COct 29°CNov 28°CDec 26°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Hengchun weather through the year

Hengchun - annual climate

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

Nearby and related places

KaohsiungTaitungTainanDouliuHsinchuTaoyuanKeelung

FAQ - Hengchun weather

What is the weather like in Hengchun today?
Today it is about 29° during the day and 28° at night, moderate rain.
How far ahead can I check the forecast for Hengchun?
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.