Weather Tokyo Today – Temperature, Rain & Hourly Forecast

Monday, 21/09/2026

23°
Heavy rain · Feels like 27°
Updated 12 hours ago
High/Low
26°/21°
Humidity
97%
Wind
8 km/h
Rainfall
176.5 mm
UV index
0.8
Pressure
999 hPa
Sunrise
05:28
Sunset
17:40

Today

00
06
12
18
00:0006:0012:0018:00

Summary

Tokyo gets a cooler-than-usual day, 21–26°C, under heavy rain.

Downpours near 00:00–21:00 (176.3 mm); localised flooding is possible.

UV peaks at 0.8 around 13:00 — safe levels.

At 97% humidity it feels like 27°C.

Winds of 19 km/h from the north.

Temperatures ease off, bottoming out at 18°C on Sunday 27/09.

The wettest day ahead is Monday 21/09 with about 177 mm.

Sunrise 05:28, sunset 17:40.

Best time to visit

Outdoor heat stress
26°C
Peaks at 23:00 — safe
Dry riding window
03:00–11:00
8 hours dry; 1 window(s) in the next 14 hours
Drying laundry
Workable
0 sunny hours, 0 wet hours between 07:00 and 17:00
Sunrise viewing
05:29
48% cloud at sunrise — some cloud, still visible
Skin protection
0.8
Unprotected skin may burn in about 90 minutes

48-hour forecast

21:00
25°
100%
22:00
25°
100%
23:00
26°
100%
00:00
26°
94%
01:00
26°
77%
02:00
26°
53%
03:00
26°
33%
04:00
26°
19%
05:00
26°
9%
06:00
26°
2%
07:00
26°
0%
08:00
27°
0%
09:00
28°
0%
10:00
28°
2%
11:00
29°
6%
12:00
29°
10%
13:00
29°
13%
14:00
30°
17%
15:00
29°
24%
16:00
29°
38%
17:00
28°
54%
18:00
26°
65%
19:00
26°
65%
20:00
25°
59%
21:00
25°
53%
22:00
23°
51%
23:00
23°
50%
00:00
23°
47%
01:00
23°
40%
02:00
23°
31%
03:00
22°
24%
04:00
22°
21%
05:00
21°
21%
06:00
21°
20%
07:00
21°
18%
08:00
22°
15%
09:00
23°
14%
10:00
23°
14%
11:00
24°
15%
12:00
25°
16%
13:00
25°
15%
14:00
25°
14%
15:00
25°
12%
16:00
25°
10%
17:00
24°
7%
18:00
24°
6%
19:00
23°
6%
20:00
22°
7%

Days ahead

TodayLow/HighChance of rainRainfall
Today
21/09
Heavy rain21°26°100%176.5 mm
Tomorrow
22/09
Partly cloudy23°30°94%0.0 mm
Wednesday
23/09
Partly cloudy21°25°47%0.0 mm
Thursday
24/09
Drizzle19°28°39%1.8 mm
Friday
25/09
Moderate showers19°25°41%17.1 mm

Monthly averages

Common questions

Will it rain in Tokyo today?
Yes. Rain is expected around 00:00–21:00, totalling roughly 176.3 mm.
How hot is it in Tokyo today?
Between 21°C and 26°C, with a felt maximum of 30°C.
What is the weather in Tokyo tomorrow?
Tomorrow: partly cloudy, 23–30°C, with a 94% chance of rain.

Tokyo