Running conditions

Is It Too Hot to Run in Tokyo Today?

Use the environmental risk signals below to adjust timing, intensity, shade, and recovery.

Forecast conditions

Very poor

Move the activity to a cooler window when possible.

Heat index

27°C

WBGT est.

24.1°C

8.0

Hourly running conditions

Time	Temperature	Heat index	Estimated WBGT	UV	Risk
12	25°C	27°C	24.1°C	8.0	Moderate
14	27°C	29°C	25.2°C	4.3	Moderate
16	27°C	29°C	25.6°C	1.0	Moderate
6	24°C	26°C	24.4°C	0.1	Low
8	27°C	29°C	25.7°C	2.3	Moderate
10	30°C	32°C	26.9°C	6.6	Moderate
12	31°C	34°C	27.8°C	8.3	High
14	31°C	34°C	27.8°C	5.1	High

Sunday

Heat index up to 29°C

27°C / 21°C

Moderate

Monday

Heat index up to 34°C

31°C / 24°C

High

Tuesday

Heat index up to 32°C

30°C / 23°C

Moderate

Know when it's safer to run

HeatGuard can notify you as conditions improve and keep this location saved.