worldweather29°Cnear normal
usually 28°C–30°C
night: cooler than usual
rain: more rain than usual
wind: typical
Weather in Keelung - 14-day forecast
Detailed weather forecast for Keelung, Taiwan: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Keelung
today🌧️
29°💧 15.6 mm
Sun🌧️
26°💧 38.3 mm
Mon🌧️
27°💧 12.5 mm
Tue🌧️
28°💧 0.2 mm
Wed🌧️
27°💧 12 mm
Thu🌧️
26°💧 19.6 mm
Fri🌧️
25°💧 25.9 mm
Sat🌧️
28°💧 13.8 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Sunday 6 Sept in Keelung, the forecast high is 26°C. Typical daytime temperatures at this time of year range from 28°C to 29°C, so it will be exceptionally cool. It is cooler than 98% of similar days.
26°Cexceptionally cool
usually 28°C–29°C
cooler than 98% of similar days
night: cooler than usual
rain: exceptionally wet
wind: typical
27°Ccooler than usual
usually 28°C–29°C
cooler than 88% of similar days
night: exceptionally cool
rain: more rain than usual
wind: typical
28°Ccooler than usual
usually 28°C–29°C
cooler than 81% of similar days
night: exceptionally cool
rain: less rain than usual
wind: typical
27°Ccooler than usual
usually 28°C–29°C
cooler than 83% of similar days
night: exceptionally cool
rain: more rain than usual
wind: typical
26°Cexceptionally cool
usually 27°C–29°C
cooler than 97% of similar days
night: exceptionally cool
rain: exceptionally wet
wind: typical
25°Cexceptionally cool
usually 27°C–29°C
cooler than 98% of similar days
night: cooler than usual
rain: exceptionally wet
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.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 29°C by day. The coolest year was 2007 (27°C) and the warmest was 2024 (31°C). The current forecast averages 27°C - lower than in 100% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Keelung
Keelung 30 & 45-day weather - long-range outlook
Next 16 days · forecast
28°
around 25° at night · days with rain: 11
Weeks 3-4 · avg for September
31°
around 25° at night · rain chance 41%
Weeks 5-7 · avg for October
27°
around 22° at night · rain chance 47%
The 30 & 45-day outlook for Keelung: the next 16 days are a numerical forecast updated daily - on average 28° by day and 25° at night. Further out we rely on multi-year climate averages: around 31° in September, and about 27° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Keelung
Saturday5 September 2026
🌧️29°moderate rain
Sunday6 September 2026
🌧️26°moderate rain
Monday7 September 2026
🌧️27°moderate rain
Tuesday8 September 2026
🌧️28°light rain
Wednesday9 September 2026
🌧️27°moderate rain
Thursday10 September 2026
🌧️26°moderate rain
Friday11 September 2026
🌧️25°moderate rain
Saturday12 September 2026
🌧️28°moderate rain
Sunday13 September 2026
☁️29°overcast clouds
Monday14 September 2026
🌧️29°light rain
Tuesday15 September 2026
🌧️29°moderate rain
Wednesday16 September 2026
🌧️29°moderate rain
Thursday17 September 2026
🌧️30°light rain
Friday18 September 2026
🌧️31°light rain
Saturday19 September 2026
🌧️30°light rain
Sunday20 September 2026
🌧️30°light rain
UV index in Keelung - is it safe to sunbathe?
Today the UV index in Keelung is 7 (high) - unprotected fair skin can burn in about 30 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Sea temperature - Keelung
Water today
29°C
Week avg
29°C
Waves today
3.1 m
How's the water?
very warm
16-day sea temperature forecast:
Average sea temperature through the year:
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Keelung
Air quality in Keelung is currently good. Fine particulate PM2.5: 16 µg/m³, PM10: 20.9 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Keelung | 16 | 20.9 | good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 09:00).
Keelung weather through the year
Warmest, driest months on average: January, February, March, April.
Nearby and related places
FAQ - Keelung weather
What is the weather like in Keelung today?
Today it is about 29° during the day and 25° at night, moderate rain.
How far ahead can I check the forecast for Keelung?
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.