Hiroshima Weather Forecast
Current Conditions & 10-Day Outlook
Current Weather Conditions in Hiroshima
Hiroshima
Hiroshima Prefecture, Japan
Mainly clearHourly Hiroshima Weather Forecast
27°28°29°31°32°33°33°33°33°32°31°
29°28°27°27°26°26°26°26°25°25°25°26°28°Very gentle wind.
High chance of precipitation.
Hiroshima 10-Day Weather Outlook
Heutiges Wetter in Hiroshima, Hiroshima Prefecture, Japan
Wed, Jul 29
Thu, Jul 30
Fri, Jul 31
Sat, Aug 01
Sun, Aug 02
Mon, Aug 03
Tue, Aug 04
Wed, Aug 05
Thu, Aug 06
Gefühlt
Feels warmer than actual temperature.
Luftdruck
Expect stable weather conditions.
Luftfeuchtigkeit
High humidity.
UV
Take precautions.
Böen
Max. Windböengeschwindigkeit heute.
Bewölkung
Partly cloudy, some clouds expected.
Tageslicht
Long days, short nights.
Regen
No rain, dry conditions expected.
Schneefall
No snowfall expected.
Current Air Quality in Hiroshima
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About Hiroshima Weather
General
This page provides the current weather forecast for Hiroshima, Hiroshima Prefecture, Japan, including hourly conditions, a 10-day outlook, wind speed and direction, precipitation, UV index, and air quality - giving you everything you need to plan your day in one view.
Forecast & Methodology
The forecast data on this page is sourced from the ECMWF open-source model - a reliable global model used widely across weather services worldwide. For sailors, boaters, and mariners who need greater accuracy and higher resolution, PredictWind's proprietary forecast models deliver precision down to 1km resolution, updated multiple times daily and validated against real-world observations. Sign up free to access PredictWind's advanced forecasts.
Sailing & Marine Conditions
Hiroshima weather forecasts on PredictWind are optimised for sailors and boaters who need precise, reliable wind and wave data for passage planning and day sailing. PredictWind is used by ocean racers, cruising sailors, and commercial vessel operators across Japan and worldwide. For detailed marine conditions including wave height, swell period, and offshore wind forecasts, see the Hiroshima marine forecast.
Units
Wind speed is displayed in knots - the standard unit used by sailors, weather services, and maritime authorities. Temperature is shown in degrees Celsius. Use the toggle at the top of the page to switch between Celsius and Fahrenheit. Pressure is shown in hPa, rainfall in millimetres, and air quality is available in both US and EU AQI standards.