worldweather

Weather in Tokyo - 14-day forecast

Detailed weather forecast for Tokyo, Japan: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Tokyo
today🌧️ 21°💧 29.1 mm
Sun🌧️ 22°💧 34.4 mm
Mon🌧️ 22°💧 206.7 mm
Tue🌧️ 23°💧 32.1 mm
Wed🌧️ 23°💧 59.9 mm
Thu🌧️ 20°💧 70.6 mm
Fri🌧️ 18°💧 3.4 mm
Sat🌧️ 22°💧 0.3 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

Monday 7 Sept in Tokyo, the forecast high is 22°C. Typical daytime temperatures at this time of year range from 27°C to 31°C, so it will be exceptionally cool. It is cooler than 100% of similar days.

21°Cexceptionally cool
usually 28°C–32°C
cooler than 99% of similar days
night: cooler than usual rain: exceptionally wet wind: typical
22°Cexceptionally cool
usually 27°C–31°C
cooler than 99% of similar days
night: cooler than usual rain: exceptionally wet wind: exceptionally strong
22°Cexceptionally cool
usually 27°C–31°C
cooler than 100% of similar days
night: near normal rain: exceptionally wet wind: exceptionally strong
23°Cexceptionally cool
usually 27°C–31°C
cooler than 98% of similar days
night: near normal rain: exceptionally wet wind: typical
23°Cexceptionally cool
usually 27°C–31°C
cooler than 99% of similar days
night: near normal rain: exceptionally wet wind: typical
20°Cexceptionally cool
usually 26°C–31°C
cooler than 99% of similar days
night: cooler than usual rain: exceptionally wet wind: stronger than usual
18°Cexceptionally cool
usually 26°C–31°C
cooler than 99% of similar days
night: cooler than usual rain: typical rainfall wind: stronger than usual

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 →
15°25°35° 1981: 26°C1982: 27°C1983: 29°C1984: 29°C1985: 31°C1986: 30°C1987: 29°C1988: 27°C1989: 29°C1990: 30°C1991: 30°C1992: 29°C1993: 27°C1994: 31°C1995: 30°C1996: 27°C1997: 29°C1998: 27°C1999: 30°C2000: 28°C2001: 28°C2002: 29°C2003: 29°C2004: 29°C2005: 29°C2006: 31°C2007: 29°C2008: 29°C2009: 28°C2010: 32°C2011: 30°C2012: 32°C2013: 30°C2014: 27°C2015: 27°C2016: 30°C2017: 28°C2018: 30°C2019: 33°C2020: 30°C2021: 26°C2022: 29°C2023: 30°C2024: 32°C2025: 32°C 2026 forecast: 21°C current forecast 21°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 1981 (26°C) and the warmest was 2019 (33°C). The current forecast averages 21°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 - Tokyo

Tokyo - 14-day weather forecast infographic

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

Next 16 days · forecast
24°
around 22° at night · days with rain: 13
Weeks 3-4 · avg for September
27°
around 20° at night · rain chance 55%
Weeks 5-7 · avg for October
22°
around 15° at night · rain chance 51%
The 30 & 45-day outlook for Tokyo: the next 16 days are a numerical forecast updated daily - on average 24° by day and 22° at night. Further out we rely on multi-year climate averages: around 27° in September, and about 22° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Tokyo

Saturday5 September 2026
🌧️21°heavy rain
sunrise 05:16 · sunset 18:04 · night 20° · evening 22° · rain 29.09 mm · humidity 89% · wind 6 m/s · clouds 100%
Sunday6 September 2026
🌧️22°very heavy rain
sunrise 05:16 · sunset 18:03 · night 20° · evening 19° · rain 34.39 mm · humidity 64% · wind 9 m/s · clouds 100%
Monday7 September 2026
🌧️22°very heavy rain
sunrise 05:17 · sunset 18:01 · night 23° · evening 23° · rain 206.72 mm · humidity 98% · wind 11 m/s · clouds 100%
Tuesday8 September 2026
🌧️23°heavy rain
sunrise 05:18 · sunset 18:00 · night 21° · evening 22° · rain 32.08 mm · humidity 91% · wind 5 m/s · clouds 100%
Wednesday9 September 2026
🌧️23°heavy rain
sunrise 05:19 · sunset 17:58 · night 21° · evening 23° · rain 59.86 mm · humidity 94% · wind 5 m/s · clouds 100%
Thursday10 September 2026
🌧️20°heavy rain
sunrise 05:19 · sunset 17:57 · night 19° · evening 19° · rain 70.59 mm · humidity 95% · wind 7 m/s · clouds 100%
Friday11 September 2026
🌧️18°light rain
sunrise 05:20 · sunset 17:55 · night 19° · evening 19° · rain 3.42 mm · humidity 82% · wind 6 m/s · clouds 100%
Saturday12 September 2026
🌧️22°light rain
sunrise 05:21 · sunset 17:54 · night 22° · evening 23° · rain 0.3 mm · humidity 76% · wind 4 m/s · clouds 98%
Sunday13 September 2026
☀️27°clear sky
sunrise 05:22 · sunset 17:53 · night 24° · evening 27° · rain 4.56 mm · humidity 47% · wind 6 m/s · clouds 7%
Monday14 September 2026
🌧️26°light rain
sunrise 05:22 · sunset 17:51 · night 24° · evening 25° · rain 0.18 mm · humidity 56% · wind 3 m/s · clouds 100%
Tuesday15 September 2026
🌧️28°light rain
sunrise 05:23 · sunset 17:50 · night 27° · evening 28° · rain 1.38 mm · humidity 63% · wind 6 m/s · clouds 67%
Wednesday16 September 2026
🌧️22°heavy rain
sunrise 05:24 · sunset 17:48 · night 21° · evening 20° · rain 38.61 mm · humidity 85% · wind 6 m/s · clouds 100%
Thursday17 September 2026
🌧️26°light rain
sunrise 05:25 · sunset 17:47 · night 23° · evening 25° · rain 3.54 mm · humidity 50% · wind 7 m/s · clouds 35%
Friday18 September 2026
🌤️26°scattered clouds
sunrise 05:25 · sunset 17:45 · night 24° · evening 26° · rain 8.16 mm · humidity 42% · wind 6 m/s · clouds 30%
Saturday19 September 2026
🌧️25°light rain
sunrise 05:26 · sunset 17:44 · night 23° · evening 25° · rain 0.87 mm · humidity 53% · wind 5 m/s · clouds 100%
Sunday20 September 2026
🌧️26°light rain
sunrise 05:27 · sunset 17:42 · night 24° · evening 25° · rain 2.16 mm · humidity 53% · wind 6 m/s · clouds 69%

UV index in Tokyo - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTTokyo03681111+5.1UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 40 min5Sat5.094Sun6.091Mon7.092Tue8.092Wed9.091Thu10.093Fri11.097Sat12.091Sun13.092Mon14.095Tue15.095Wed16.097Thu17.096Fri18.094Sat19.096Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Tokyo is 5 (moderate) - unprotected fair skin can burn in about 40 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Sea temperature - Tokyo

Water today
27°C
Week avg
26°C
Waves today
0.2 m
How's the water?
very warm
16-day sea temperature forecast:
5.09 27°C6.09 27°C7.09 26°C8.09 27°C9.09 27°C10.09 26°C11.09 26°C12.09 26°C13.09 26°C
Average sea temperature through the year:
Jan 11°CFeb 10°CMar 12°CApr 16°CMay 19°CJun 22°CJul 27°CAug 29°CSep 27°COct 22°CNov 19°CDec 14°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Tokyo weather through the year

Tokyo - annual climate

Warmest, driest months on average: April, May, June, September.

Upcoming public holidays in Japan: Respect for the Aged Day — 21 September · Citizen's Holiday — 22 September · Autumnal Equinox Day — 23 September. Full calendar and travel notes

Nearby and related places

YokohamaTakayamaFukuokaShizuokaHiroshimaOsaka

FAQ - Tokyo weather

What is the weather like in Tokyo today?
Today it is about 21° during the day and 20° at night, heavy rain.
How far ahead can I check the forecast for Tokyo?
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.