15-Day Weather Forecast - Osaka
15-day weather forecast for Osaka: temperatures from 21°C (70°F) to 32°C (90°F). Average daily high 29°C (84°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Osaka's 15-day outlook ranges from a low of 21°C to a high of 32°C, with an average daytime high near 29°C. That's 2° above the long-term average high of 27°C for this time of year. It continues a recent pattern — 16 of the last 28 days with published data have run warmer than normal. Air quality is currently Moderate (AQI 59), driven mainly by PM2.5 at 13 μg/m³.
Today vs Normal
The long-term average high for today is 27°C.
16 of the last 28 days with published data ran above normal.
That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.
Extended Outlook for Osaka
Over the next 15 days, Osaka is forecast to see temperatures ranging from 21°C to 32°C, averaging a daily high of 29°C. The extended outlook indicates significant rainfall totalling 142.2 mm spread across 13 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.