The 10-day span for Hiroshima runs from a high near 90° on Wednesday down to 69° overnight on Wednesday. Roughly 0.96 in of rain falls over the period, with Friday the most likely wet day (84%). Right now Hiroshima is about 8° cooler than nearby Kyoto. Longer view: a subtropical rhythm — long hot summers, mild winters and most rain outside the peak of summer.
Hiroshima, Japan · 34.40°N, 132.45°E · Asia/Tokyo · Forecast computed for these exact coordinates